CN106205593A - A method for adjusting sound in a car and related equipment - Google Patents

Abstract

The embodiment of the invention discloses an in-vehicle sound adjusting method and related equipment, wherein the method comprises the following steps: acquiring a first noise signal when no artificial sound exists in the vehicle through a microphone, wherein the artificial sound comprises real human sound and/or loudspeaker sound; acquiring frequency and phase parameters of the first noise signal; generating a noise reduction signal having the same frequency as the first noise signal and an opposite phase; and sending an indication message carrying the noise reduction signal to a sound system of the vehicle, wherein the indication message is used for indicating the sound system to play the noise reduction signal. The embodiment of the invention provides a scheme for controlling a vehicle-mounted sound system to reduce noise in a vehicle through a mobile terminal, which is beneficial to expanding the functions of the mobile terminal and improving the riding comfort of a user.

Description

A method for adjusting sound in a car and related equipment

technical field

The invention relates to the technical field of mobile terminals, in particular to a method for adjusting sound in a vehicle and related equipment.

Background technique

With the rapid development of the automobile industry, the number of motor vehicles is increasing year by year, and the connection between automobiles and people's daily life is getting closer and closer. When people use a car as a means of transportation, they not only need the safety of the vehicle, but also pay more and more attention to the comfort and convenience of the vehicle.

When driving or riding in a vehicle, people often listen to music, radio, or talk in the car. However, when the vehicle is running, the engine will produce noise. The faster the driving speed, the greater the wind noise. When the road conditions are poor, the bumping of the vehicle will also produce noise. At the same time, the interior decoration joints in the car will also produce noise due to vibration. . That is to say, during the driving process of the vehicle, noise will be generated due to various reasons. These noises will affect the comfort of the people in the car, and will also interfere with the music played in the car or the sound of people talking.

Contents of the invention

Embodiments of the present invention provide a method for adjusting sound in a vehicle and related equipment, in order to expand the functions of mobile terminals and improve the comfort of users in vehicles.

In a first aspect, an embodiment of the present invention provides a method for adjusting sound in a vehicle, including:

The first noise signal when there is no man-made sound in the car is collected by a microphone, and the man-made sound includes real human voice and/or speaker sound;

Acquiring frequency and phase parameters of the first noise signal;

generating a noise reduction signal having the same frequency and opposite phase to the first noise signal;

Sending an indication message carrying the noise reduction signal to an audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

From the above technical solutions, it can be seen that, compared with the existing technology in which the vehicle-mounted system needs its own noise reduction function, the embodiment of the present invention has the following advantages: the mobile terminal obtains the first noise signal when there is no human voice in the vehicle, The frequency and phase parameters of the first noise signal generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an indication message carrying the noise reduction signal to the audio system of the vehicle, and the audio system plays the noise reduction signal after receiving the indication message. Noise signal, thereby reducing the noise in the car. It can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the mobile terminal, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a system architecture diagram of an in-vehicle noise reduction control system composed of a mobile terminal and an audio system of a vehicle disclosed in an embodiment of the present invention;

Fig. 2 is a schematic flowchart of a method for adjusting sound in a vehicle disclosed in an embodiment of the present invention;

Figure 2.1 is an example diagram of an amplitude adjustment interface of a noise reduction signal disclosed in an embodiment of the present invention;

Fig. 3 is a schematic flowchart of another method for adjusting sound in a vehicle disclosed in an embodiment of the present invention;

Fig. 4 is a schematic flowchart of another method for adjusting sound in a vehicle disclosed in an embodiment of the present invention;

Fig. 5 is a unit block diagram of an in-vehicle sound adjustment device disclosed in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a mobile terminal disclosed in an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention.

detailed description

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to better understand a method for adjusting sound in a car and related equipment disclosed in the embodiment of the present invention, please refer to FIG. 1 . System architecture diagram of the noise control system. Wherein, the audio system may also be called a vehicle multimedia system, a vehicle audio system, a central control system, and the like. The sound system can maintain a wireless communication connection with the mobile terminal through the bluetooth module, and can also be connected with the mobile terminal through wired communication through various communication interfaces. Further, the audio system also includes a microphone, a speaker and the like. The mobile terminal may be, for example, an electronic device such as a smart phone, a tablet computer, or a wearable device.

The following describes the embodiments of the present invention in detail.

Please refer to FIG. 2. FIG. 2 is a schematic flowchart of a method for adjusting sound in a vehicle provided by an embodiment of the present invention. As shown in the figure, the method for adjusting sound in a vehicle includes:

S201. The mobile terminal uses a microphone to collect a first noise signal when there is no artificial sound in the vehicle, and the artificial sound includes real human voice and/or speaker sound;

Wherein, the mobile terminal may collect the first noise signal when there is no man-made sound in the vehicle when detecting that the vehicle is running.

Wherein, when the microphone includes a first microphone of a mobile terminal communicatively connected to the sound system, the mobile terminal uses the microphone to collect the first noise signal when there is no artificial sound in the vehicle, specifically including: using the first microphone Collect the first noise signal when there is no man-made sound in the car;

Wherein, when the microphone includes the second microphone of the sound system, the first noise signal collected by the microphone when there is no man-made sound in the vehicle specifically includes:

The mobile terminal sends a collection instruction message to the audio system of the vehicle, where the collection instruction message is used to instruct the audio system to collect the first noise signal when there is no artificial sound in the vehicle through the second microphone;

The mobile terminal acquires a collection response message carrying the first noise signal sent by the sound effect system.

S202. The mobile terminal acquires frequency and phase parameters of the first noise signal;

Among them, according to the principle of sound formation, different sounds are actually combinations of waveforms of different frequencies and different phases. The mobile terminal can use any sound analysis method to perform frequency analysis on the collected noise signal to obtain the frequency and phase parameters of the noise signal, that is, perform qualitative and quantitative analysis on the noise. If the collected noise is multiple noises, the above analysis needs to be performed on each noise to obtain the frequency and phase parameters of each noise.

S203. The mobile terminal generates a noise reduction signal having the same frequency as the first noise signal and a phase opposite to that of the first noise signal;

Among them, due to the superposition of waves with the same frequency and opposite phases, there will be a mutual suppression effect. Then, when the frequency and phase parameters of the collected first noise signal are acquired, a noise reduction signal with the same frequency as the noise and opposite phase is generated, and the superimposition of the waveform of the noise reduction signal and the waveform of the first noise signal will produce mutual suppression effect, so as to achieve the effect of suppressing noise.

S204. The mobile terminal sends an indication message carrying the noise reduction signal to the audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

It can be seen that, compared with the solution in the prior art that the vehicle-mounted system needs to have its own noise reduction function, the embodiment of the present invention has the following advantages: the mobile terminal obtains the first noise signal by collecting the first noise signal when there is no human voice in the vehicle The frequency and phase parameters of the first noise signal generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an instruction message carrying the noise reduction signal to the audio system of the vehicle, and the audio system plays the noise reduction signal after receiving the instruction message, thereby To reduce the noise in the car, it can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the mobile terminal, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car.

Optionally, in some embodiments, after the mobile terminal sends the indication message carrying the noise reduction signal to the sound system of the vehicle, the following operations are further performed:

The mobile terminal collects the second noise signal when there is no artificial sound in the car; wherein, the mobile terminal can collect the second noise signal within a preset time period, and the preset time period can be, for example, within 1 second or 2 seconds after the noise reduction signal is played. Within seconds, within 3 seconds, etc.

If the intensity of the second noise signal is greater than the preset sound intensity, the mobile terminal increases the amplitude of the noise reduction signal to update the noise reduction signal, and instructs the audio system to play the updated noise reduction signal. noise signal. Wherein, the preset sound intensity may be, for example, 64 decibels, 65 decibels, 70 decibels and other preset values.

That is to say, after the mobile terminal turns on the noise reduction function in the car, it can periodically detect the noise reduction effect within a preset period of time, and increase the amplitude of the noise reduction signal when the noise reduction effect does not meet the preset standard. And instruct the audio system to play the noise reduction signal with increased amplitude, so as to gradually improve the noise reduction effect, quickly and intelligently complete the noise reduction in the car without user interference, and improve the user experience.

Optionally, in some embodiments, the mobile terminal may also perform the following operations:

The mobile terminal displays an adjustment interface for adjusting characteristic parameters of the noise reduction signal on a display screen of the mobile terminal, and the characteristic parameters include at least one of the following parameters: amplitude, frequency;

The mobile terminal updates the noise reduction signal according to the user's adjustment operation, and instructs the audio system to play the updated noise reduction signal.

For example, after obtaining the frequency f and phase φ of the first noise signal, the mobile terminal can display an amplitude adjustment interface on the display screen, as shown in Figure 2.1, and then manually adjust it by the user, and after each adjustment The current noise signal in the car is collected, and the strength value of the current noise signal is calculated and displayed on the adjustment interface for users to view and analyze.

It can be seen that in the above optional embodiment, the mobile terminal provides a scheme in which the user actively adjusts the amplitude, allowing the user to deeply participate in the noise reduction scheme, and improving the fun of using the noise reduction function.

Optionally, in some embodiments, when the artificial voice includes a real human voice, the mobile terminal further performs the following operations:

The mobile terminal obtains the frequency and phase parameters of the real human voice; generates a first enhanced sound signal with the same frequency and phase as the real human voice, and instructs the audio system to play the first enhanced sound signal ;

In a specific implementation, the mobile terminal acquires the frequency and phase parameters of the real human voice, which specifically includes: collecting a synthetic sound that includes a real human voice in the car, and the synthetic sound includes noise and real human voice; Perform frequency analysis to obtain frequency and phase parameters of the synthesized sound; extract real human voice from the synthesized sound.

That is to say, when the environment in the car includes real human voices, in this optional embodiment, the mobile terminal can separate the real human voices in real time and generate an enhanced signal with the real human voices, thereby improving the user's conversation efficiency and improving user experience.

Optionally, in some embodiments, when the artificial sound includes speaker sound, the mobile terminal further performs the following operations: the mobile terminal obtains the output signal of the speaker of the sound system; the same second enhanced sound signal with the same phase, and instruct the sound system to play the second enhanced sound signal.

That is to say, when the environment in the car includes speaker sound, in this optional embodiment, the mobile terminal can generate an enhanced signal with the same frequency and phase as the output signal and instruct the audio system to play, thereby improving the user's listening experience.

Consistent with the above embodiment shown in FIG. 2 , please refer to FIG. 3 . FIG. 3 is a schematic flowchart of another method for adjusting interior sound provided by an embodiment of the present invention. As shown in the figure, the sound adjustment methods in this car include:

S301. The mobile terminal collects a first noise signal when there is no artificial sound in the vehicle through a first microphone, the first microphone is a microphone of a mobile terminal communicatively connected to the sound system, and the artificial sound includes real human voice and/or or speaker sound;

S302. The mobile terminal acquires frequency and phase parameters of the first noise signal;

S303. The mobile terminal generates a noise reduction signal having the same frequency as the first noise signal and a phase opposite to that of the first noise signal;

S304. The mobile terminal sends an indication message carrying the noise reduction signal to the audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

S305. The mobile terminal collects a second noise signal when there is no artificial sound in the vehicle;

S306. If the intensity of the second noise signal is greater than the preset sound intensity, the mobile terminal increases the amplitude of the noise reduction signal to update the noise reduction signal, and instructs the audio system to play the updated noise reduction signal.

It can be seen that, compared with the solution in the prior art that the vehicle-mounted system needs to have its own noise reduction function, the embodiment of the present invention has the following advantages: the mobile terminal obtains the first noise signal by collecting the first noise signal when there is no human voice in the vehicle The frequency and phase parameters of the first noise signal generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an instruction message carrying the noise reduction signal to the audio system of the vehicle, and the audio system plays the noise reduction signal after receiving the instruction message, thereby To reduce the noise in the car, it can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the mobile terminal, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car.

In addition, after the mobile terminal provided by the embodiment of the present invention turns on the noise reduction function in the car, it can periodically detect the noise reduction effect within a preset period of time, and increase the noise reduction signal when the noise reduction effect does not meet the preset standard. amplitude, and instruct the audio system to play the noise reduction signal with increased amplitude, so as to gradually improve the noise reduction effect, quickly and intelligently complete the noise reduction in the car without user interference, and improve the user experience.

Consistent with the above embodiments shown in FIG. 2 and FIG. 3 , please refer to FIG. 4 . FIG. 4 is a schematic flowchart of another method for adjusting interior sound provided by an embodiment of the present invention. As shown in the figure, the sound adjustment methods in this car include:

S401. The mobile terminal uses a microphone to collect a first noise signal when there is no artificial sound in the vehicle, and the artificial sound includes real human voice and/or speaker sound;

S402. The mobile terminal acquires frequency and phase parameters of the first noise signal;

S403. The mobile terminal generates a noise reduction signal with the same frequency and opposite phase to the first noise signal;

S404. The mobile terminal sends an indication message carrying the noise reduction signal to the audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

S405. The mobile terminal displays an adjustment interface for adjusting characteristic parameters of the noise reduction signal on a display screen of the mobile terminal, where the characteristic parameters include at least one of the following parameters: amplitude and frequency;

S406. The mobile terminal updates the noise reduction signal according to the user's adjustment operation, and instructs the sound system to play the updated noise reduction signal.

It can be seen that, compared with the solution in the prior art that the vehicle-mounted system needs to have its own noise reduction function, the embodiment of the present invention has the following advantages: the mobile terminal obtains the first noise signal by collecting the first noise signal when there is no human voice in the vehicle The frequency and phase parameters of the first noise signal generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an instruction message carrying the noise reduction signal to the audio system of the vehicle, and the audio system plays the noise reduction signal after receiving the instruction message, thereby To reduce the noise in the car, it can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the mobile terminal, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car.

In addition, the mobile terminal in the embodiment of the present invention provides a scheme in which the user actively adjusts the amplitude, allowing the user to deeply participate in the noise reduction scheme, and improving the fun of using the noise reduction function.

The following are device embodiments of the present invention, and the device embodiments of the present invention are used to execute the methods implemented by the method embodiments of the present invention. As shown in FIG. 5 , the in-vehicle sound adjustment device may include a signal acquisition unit 501, a parameter acquisition unit 502, a signal generation unit 503, and a message sending unit 504, wherein:

The signal acquisition unit 501 is configured to collect a first noise signal when there is no man-made sound in the vehicle through a microphone, and the man-made sound includes real human voice and/or speaker sound;

The parameter acquisition unit 502 is configured to acquire frequency and phase parameters of the first noise signal;

The signal generating unit 503 is configured to generate a noise reduction signal having the same frequency and opposite phase to the first noise signal;

The message sending unit 504 is configured to send an indication message carrying the noise reduction signal to an audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

Optionally, the signal collection unit 501 is further configured to collect a second noise signal when there is no artificial sound in the car after the message sending unit sends an indication message carrying the noise reduction signal to the sound system of the vehicle;

The device also includes:

The first signal update unit is configured to increase the amplitude of the noise reduction signal to update the noise reduction signal if the strength of the second noise signal is greater than a preset sound strength, and instruct the sound system to play the Updated denoised signal.

Optionally, the device also includes:

An interface display unit, configured to display an adjustment interface for adjusting the characteristic parameters of the noise reduction signal on the display screen of the mobile terminal, the characteristic parameters include at least one of the following parameters: amplitude, frequency;

The second signal updating unit is configured to update the noise reduction signal according to the user's adjustment operation, and instruct the audio system to play the updated noise reduction signal.

Optionally, when the microphone includes a first microphone of a mobile terminal communicatively connected to the sound system, in terms of collecting the first noise signal when there is no human sound in the vehicle through the microphone, the signal acquisition unit is used to :

Collecting the first noise signal when there is no man-made sound in the car through the first microphone; or,

When the microphone includes the second microphone of the sound system, in terms of collecting the first noise signal when there is no man-made sound in the vehicle through the microphone, the signal acquisition unit is used for:

sending a collection instruction message to the audio system of the vehicle, where the collection instruction message is used to instruct the audio system to collect the first noise signal when there is no artificial sound in the vehicle through the second microphone;

Acquire a collection response message that is sent by the sound effect system and that carries the first noise signal.

optional,

When the artificial sound comprises a real human voice,

The parameter acquisition unit is also used to acquire the frequency and phase parameters of the real human voice;

The signal generation unit is further configured to generate a first enhanced sound signal with the same frequency and phase as the real human voice, and instruct the audio system to play the first enhanced sound signal;

when said artificial sound comprises speaker sound,

The signal acquisition unit is also used to acquire the output signal of the loudspeaker of the audio system;

generating a second enhanced sound signal with the same frequency and phase as the output signal, and instructing the sound system to play the second enhanced sound signal.

It should be noted that the in-vehicle sound adjustment device described in the device embodiment of the present invention is presented in the form of a functional unit. The term "unit" used here should be understood as the broadest meaning possible. The object used to realize the functions described by each "unit" can be, for example, an integrated circuit ASIC, a single circuit, used to execute one or more software or firmware Processors (shared, dedicated, or chipsets) and memories of programs, combinational logic circuits, and/or other suitable components that provide the functions described above.

For example, the function of the above-mentioned parameter acquiring unit 502 can be realized by the mobile terminal shown in FIG. 6 , specifically, the processor 101 can acquire the frequency and phase parameters.

It can be seen that, compared with the solution in the prior art that the vehicle-mounted system needs to have its own noise reduction function, the embodiment of the present invention has the following advantages: the interior sound adjustment device obtains the second noise signal by collecting the first noise signal when there is no human sound in the vehicle. Frequency and phase parameters of a noise signal, generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an instruction message carrying the noise reduction signal to the vehicle's audio system, and the audio system will play the noise reduction signal after receiving the instruction message signal, thereby reducing the noise in the car. It can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the sound adjustment device in the car, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car .

The embodiment of the present invention also provides another mobile terminal, as shown in FIG. 6 , including: a processor 101, a memory 102, a communication interface 103, and a communication bus 104; wherein, the processor 101, the memory 102, and the communication interface 103 communicate Bus 104 is connected and completes mutual communication; Processor 101 controls the wireless communication with external cellular network through communication interface 103; Communication interface 103 includes but not limited to antenna, amplifier, transceiver, coupler, LNA (Low Noise Amplifier, low noise amplifier), duplexer, etc. The memory 102 includes at least one of the following: random access memory, non-volatile memory, and external memory, and executable program code is stored in the memory 102, and the executable program code can guide the processor 101 to execute the method embodiment of the present invention The method for adjusting sound in a car specifically disclosed in includes the following steps:

The processor 101 collects the first noise signal when there is no artificial sound in the vehicle through the microphone, and the artificial sound includes real human voice and/or speaker sound;

The processor 101 acquires frequency and phase parameters of the first noise signal;

The processor 101 generates a noise reduction signal having the same frequency and opposite phase to the first noise signal;

The processor 101 sends an indication message carrying the noise reduction signal to the audio system of the vehicle, where the indication message is used to instruct the audio system to play the noise reduction signal.

It can be seen that, compared with the solution in the prior art that the vehicle-mounted system needs to have its own noise reduction function, the embodiment of the present invention has the following advantages: the mobile terminal obtains the first noise signal by collecting the first noise signal when there is no human voice in the vehicle The frequency and phase parameters of the first noise signal generate a noise reduction signal with the same frequency and opposite phase to the first noise signal, and send an instruction message carrying the noise reduction signal to the audio system of the vehicle, and the audio system plays the noise reduction signal after receiving the instruction message, thereby To reduce the noise in the car, it can be seen that the embodiment of the present invention provides a solution to reduce the noise in the car by controlling the car audio system through the mobile terminal, which is beneficial to expand the functions of the mobile terminal and improve the comfort of the user in the car.

In addition, the executable program code stored in the above-mentioned memory 102 is also used to execute the related steps of the above-mentioned method for adjusting the interior sound shown in FIG. 2 to FIG. 4 . For example, the step of generating a noise reduction signal with the same frequency and opposite phase to the first noise signal, and so on.

The embodiment of the present invention also provides another mobile terminal, as shown in FIG. 7 , for the convenience of description, only the parts related to the embodiment of the present invention are shown, and the specific technical details are not disclosed, please refer to the method of the embodiment of the present invention part. The mobile terminal can be any terminal device including a mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, sales terminal), vehicle-mounted computer, etc. Taking the mobile terminal as a mobile phone as an example:

FIG. 7 shows a block diagram of a partial structure of a mobile phone related to the mobile terminal provided by the embodiment of the present invention. Referring to FIG. 7 , the mobile phone includes: a radio frequency (Radio Frequency, RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wireless fidelity (Wireless Fidelity, WiFi) module 970, and a processor 980 , and power supply 990 and other components. Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 7 does not constitute a limitation to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components.

The following is a specific introduction to each component of the mobile phone in conjunction with Figure 7:

RF circuitry 910 may be used for the reception and transmission of information. Generally, the RF circuit 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (Low Noise Amplifier, LNA), a duplexer, and the like. In addition, RF circuitry 910 may also communicate with networks and other devices via wireless communications. The above wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (Global System of Mobilecommunication, GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access) , CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (Long Term Evolution, LTE), email, Short Messaging Service (Short Messaging Service, SMS), etc.

The memory 920 can be used to store software programs and modules, and the processor 980 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 920 . The memory 920 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (noise signal acquisition function, noise signal analysis function, etc.), etc.; the storage data area can store Data created according to the use of mobile phones (such as frequency and phase parameters of noise signals, etc.), etc. In addition, the memory 920 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The input unit 930 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile phone. Specifically, the input unit 930 may include a fingerprint identification module 931 and other input devices 932 . The fingerprint identification module 931 can collect the fingerprint data of the user on it. Optionally, the fingerprint identification module 931 may include an optical fingerprint module, a capacitive fingerprint module, and a radio frequency fingerprint module. In addition to the fingerprint recognition module 931 , the input unit 930 may also include other input devices 932 . Specifically, other input devices 932 may include but not limited to one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), trackball, mouse, joystick, and the like.

The display unit 940 may be used to display information input by or provided to the user and various menus of the mobile phone. The display unit 940 may include a display screen 941. Optionally, the display screen 941 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like. Although in Fig. 7, the fingerprint identification module 931 and the display screen 941 are used as two independent parts to realize the input and input functions of the mobile phone, but in some embodiments, the fingerprint identification module 931 and the display screen 941 can be Integrated to realize the input and playback functions of the mobile phone.

The handset may also include at least one sensor 950, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor can include an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display screen 941 according to the brightness of the ambient light, and the proximity sensor can turn off the display screen 941 and/or when the mobile phone is moved to the ear. or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.

The audio circuit 960, the speaker 961, and the microphone 962 can provide an audio interface between the user and the mobile phone. The audio circuit 960 can transmit the electrical signal converted from the received audio data to the speaker 961, and the speaker 961 converts it into a sound signal for playback; After being received, it is converted into audio data, and after being processed by the audio data playback processor 980, the audio data is sent to, for example, another mobile phone through the RF circuit 910, or the audio data is played to the memory 920 for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 970. It provides users with wireless broadband Internet access. Although FIG. 7 shows a WiFi module 970, it can be understood that it is not an essential component of the mobile phone, and can be completely omitted as required without changing the essence of the invention.

The processor 980 is the control center of the mobile phone. It uses various interfaces and lines to connect various parts of the entire mobile phone. By running or executing software programs and/or modules stored in the memory 920, and calling data stored in the memory 920, execution Various functions and processing data of the mobile phone, so as to monitor the mobile phone as a whole. Optionally, the processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that, the foregoing modem processor may not be integrated into the processor 980 .

The mobile phone also includes a power supply 990 (such as a battery) for supplying power to each component. Preferably, the power supply can be logically connected to the processor 980 through the power management system, so that functions such as charging, discharging, and power consumption management can be realized through the power management system.

Although not shown, the mobile phone may also include a camera, a Bluetooth module, etc., which will not be repeated here.

In the aforementioned embodiments shown in FIG. 2 , FIG. 3 and FIG. 4 , the method flow of each step can be implemented based on the structure of the mobile phone.

In the aforementioned embodiment shown in FIG. 5 , the functions of each unit can be realized based on the structure of the mobile phone.

An embodiment of the present invention also provides a computer storage medium, wherein the computer storage medium can store a program, and when the program is executed, it includes some or all steps of any method for adjusting sound in a vehicle described in the above method embodiments.

It should be noted that for the foregoing method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence. Because of the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or can be Integrate into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory. Several instructions are included to make a computer device (which may be a personal computer, server or network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable memory, and the memory can include: a flash disk , Read-only memory (English: Read-Only Memory, abbreviated: ROM), random access device (English: Random Access Memory, abbreviated: RAM), magnetic disk or optical disk, etc.

The embodiments of the present invention have been described in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention; at the same time, for Those skilled in the art will have changes in the specific implementation and scope of application according to the idea of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (11)

1. An in-vehicle sound adjusting method, characterized by comprising:

acquiring a first noise signal when no artificial sound exists in the vehicle through a microphone, wherein the artificial sound comprises real human sound and/or loudspeaker sound;

acquiring frequency and phase parameters of the first noise signal;

generating a noise reduction signal having the same frequency as the first noise signal and an opposite phase;

and sending an indication message carrying the noise reduction signal to a sound system of the vehicle, wherein the indication message is used for indicating the sound system to play the noise reduction signal.

2. The method of claim 1, wherein after sending the indication message carrying the noise reduction signal to a sound system of a vehicle, the method further comprises:

collecting a second noise signal when no artificial sound exists in the vehicle;

and if the intensity of the second noise signal is greater than the preset sound intensity, increasing the amplitude of the noise reduction signal to update the noise reduction signal, and indicating the sound system to play the updated noise reduction signal.

3. The method of claim 1, further comprising:

displaying an adjusting interface for adjusting characteristic parameters of the noise reduction signal on a display screen of the mobile terminal, wherein the characteristic parameters comprise at least one of the following parameters: amplitude, frequency;

and updating the noise reduction signal according to the adjustment operation of the user, and indicating the sound system to play the updated noise reduction signal.

4. The method according to any one of claims 1 to 3,

when the microphone includes the first microphone of the mobile terminal that is connected with sound system communication, the first noise signal when passing through the interior no artificial sound of car of microphone collection includes:

collecting a first noise signal when no artificial sound exists in the vehicle through the first microphone; or,

when the microphone includes the second microphone of the sound system, the first noise signal when the interior of the vehicle has no artificial sound is collected through the microphone, and the method comprises the following steps:

sending an acquisition indication message to a sound system of the vehicle, wherein the acquisition indication message is used for indicating the sound system to acquire a first noise signal when no artificial sound exists in the vehicle through the second microphone;

and acquiring an acquisition response message which is sent by the sound effect system and carries the first noise signal.

5. The method of claim 4,

when the artificial sound comprises a real human sound, the method further comprises:

acquiring frequency and phase parameters of the real human voice;

generating a first enhanced sound signal with the same frequency and the same phase as the real human voice, and instructing the sound system to play the first enhanced sound signal;

when the artificial sound comprises a speaker sound, the method further comprises:

acquiring an output signal of a loudspeaker of the sound system;

generating a second enhanced sound signal having the same frequency and the same phase as the output signal, and instructing the sound system to play the second enhanced sound signal.

6. An in-vehicle sound adjusting apparatus, comprising:

the signal acquisition unit is used for acquiring a first noise signal when no artificial sound exists in the vehicle through a microphone, wherein the artificial sound comprises real human sound and/or loudspeaker sound;

a parameter acquisition unit for acquiring frequency and phase parameters of the first noise signal;

a signal generating unit for generating a noise reduction signal having the same frequency as the first noise signal and an opposite phase;

and the message sending unit is used for sending an indication message carrying the noise reduction signal to a sound system of a vehicle, and the indication message is used for indicating the sound system to play the noise reduction signal.

7. The apparatus of claim 6,

the signal acquisition unit is also used for acquiring a second noise signal when no artificial sound exists in the vehicle after the message sending unit sends the indication message carrying the noise reduction signal to a sound system of the vehicle;

the device further comprises:

and the first signal updating unit is used for increasing the amplitude of the noise reduction signal to update the noise reduction signal and indicating the sound system to play the updated noise reduction signal if the intensity of the second noise signal is greater than the preset sound intensity.

8. The apparatus of claim 6, further comprising:

an interface display unit, configured to display an adjustment interface for adjusting characteristic parameters of the noise reduction signal on a display screen of the mobile terminal, where the characteristic parameters include at least one of the following parameters: amplitude, frequency;

and the second signal updating unit is used for updating the noise reduction signal according to the adjustment operation of the user and instructing the sound system to play the updated noise reduction signal.

9. The apparatus according to any one of claims 6 to 8,

when the microphone comprises a first microphone of a mobile terminal which is in communication connection with the sound system, and the microphone is used for collecting a first noise signal when no artificial sound is generated in the vehicle, the signal collection unit is used for:

collecting a first noise signal when no artificial sound exists in the vehicle through the first microphone; or,

when the microphone comprises a second microphone of the sound system, in the aspect of collecting a first noise signal when no artificial sound exists in the vehicle through the microphone, the signal collecting unit is used for:

sending an acquisition indication message to a sound system of the vehicle, wherein the acquisition indication message is used for indicating the sound system to acquire a first noise signal when no artificial sound exists in the vehicle through the second microphone;

and acquiring an acquisition response message which is sent by the sound effect system and carries the first noise signal.

10. The apparatus of claim 9,

when the artificial sound includes a real human voice,

the parameter acquiring unit is further used for acquiring frequency and phase parameters of the real voice;

the signal generating unit is further configured to generate a first enhanced sound signal having the same frequency and the same phase as the real human voice, and instruct the sound system to play the first enhanced sound signal;

when the artificial sound comprises a speaker sound,

the signal acquisition unit is also used for acquiring output signals of a loudspeaker of the sound system;

generating a second enhanced sound signal having the same frequency and the same phase as the output signal, and instructing the sound system to play the second enhanced sound signal.

11. A mobile terminal, comprising:

the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface are connected through the communication bus and complete mutual communication;

the memory stores executable program code, the communication interface is for wireless communication;

the processor is configured to call the executable program code in the memory to perform the method as described in any of claims 1-5.