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WO2000070846A1 - Dispositif de reception audio a module audio pour un systeme de telephonie mobile - Google Patents

Dispositif de reception audio a module audio pour un systeme de telephonie mobile Download PDF

Info

Publication number
WO2000070846A1
WO2000070846A1 PCT/DE2000/001479 DE0001479W WO0070846A1 WO 2000070846 A1 WO2000070846 A1 WO 2000070846A1 DE 0001479 W DE0001479 W DE 0001479W WO 0070846 A1 WO0070846 A1 WO 0070846A1
Authority
WO
WIPO (PCT)
Prior art keywords
audio
receiving device
radio
audio module
sam
Prior art date
Application number
PCT/DE2000/001479
Other languages
German (de)
English (en)
Inventor
Andreas Merker
Peter Schliwa
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2000070846A1 publication Critical patent/WO2000070846A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/02—Details of telephonic subscriber devices including a Bluetooth interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/08—Details of telephonic subscriber devices home cordless telephone systems using the DECT standard

Definitions

  • Audio receiving device with an audio module for a mobile phone system
  • the invention relates to an audio receiving device with an audio module for a mobile telephone system.
  • loudspeaker telephones with built-in or external loudspeakers and hands-free devices are known. Additional devices are also known, which are placed next to a conventional telephone and provide loudspeaker reproduction, and additional external microphones are also known for hands-free devices.
  • An object of the invention is, in particular, to enable comfortable listening in also with mobile telephone systems, such as with cordless telephones.
  • an audio receiving device with an audio module for a mobile telephone system in that the audio module can be connected to a radio terminal of a network via a radio interface and, in addition to an HF part, has an audio decoder whose audio output is via a standard Audio connection can be connected to an input of an LF power amplifier.
  • the invention thus assumes that practically every household has components, such as televisions and stereo systems, which not only enable sufficiently loud, but also high-quality reproduction of the audio signals supplied.
  • components such as televisions and stereo systems
  • a listening option for mobile phone systems in the sense of the task created It is also possible to achieve a large distance between the microphone and the loudspeaker, so that there is a lower risk of feedback in hands-free operation from the outset. Since the transmission of the audio signals takes place wirelessly from the terminal, there are no problems with the cabling and connection technology at the telephone base or additional effort for a galvanic separation between the telephone network and the audio or television device.
  • any AF power amplifier can be used for the purpose of the invention, but, as already mentioned, it is expedient if the AF power amplifier is part of an electroacoustic home appliance, such as a stereo system or a television set.
  • the invention offers particular advantages if the radio terminal is the base station of a cordless system, the base station being connected to a fixed network via an interface.
  • cordless system is designed according to the DECT system, there are particular advantages in terms of ease of use and audio quality.
  • the audio module is set up not only for reception but also for transmission, since this enables communication, in particular data communication, to be achieved between the audio module and the radio terminal, which increases the flexibility of the device.
  • the audio module is set up to work in a conference circuit in which an active connection between the base station and the audio module, initiated by a handset, is established.
  • the audio module is set up to listen to the radio traffic between the base station and a handset in monitor mode. This option is less expensive, but it always depends on which cordless system or which mobile radio standard is involved.
  • the radio terminal can also be a mobile radio device of a mobile radio network, i.e. the invention is not restricted exclusively to cordless systems. This results in particular advantages for the application according to the invention if the radio terminal is a dual-mode device.
  • the radio interface between the audio module and the radio terminal can also be operated in a first system and the radio interface between the radio terminal and its base station in a second system, the GSM or UMTS standard being a practical example for the mobile radio network and DECT for the second radio interface be mentioned.
  • the audio module can additionally be connected to an audio output of the electroacoustic home device via a standard audio connection, and thus an audio connection can be established to an audio encoder of the audio module, since this interface is standardized and meets all the requirements set here.
  • the audio module can additionally be connected to an audio input of the electroacoustic home device via a standard audio connection, and an audio connection to an audio encoder of the audio module can thereby be established .
  • music or speech from, for example, a stereo system to a remote subscriber can be transmitted extremely conveniently via the radio interface between the audio module and the radio terminal.
  • FIG. 1 shows a first scenario or invention with a base station of a cordless telephone connected to a fixed network
  • FIG. 2 shows a second possible application of the invention, including a dual-mode mobile radio device.
  • a base station BAS of a cordless system for example working in accordance with the DECT standard in the present case, is connected via an interface to a fixed network FME.
  • An S 0 interface for an ISDN network is shown here, but it can also be the a, b wires of a conventional analog network.
  • the base station can be connected to one or more mobile parts MOB, ie cordless phones, and in the present case also has an integrated microphone MIC.
  • an audio module SAM which has an HF part HFT, a microprocessor MPR, an audio decoder DEC and possibly an audio decoder COD, and which has an antenna ANT with the base station BAS, possibly also with a mobile part MOB in
  • the audio decoder DEC of the audio module SAM is connected via a standard audio connection CIN to an LF power amplifier NFL of an electroacoustic home device HIF, where e.g. can be a stereo or a television.
  • the sound radiation takes place via a loudspeaker LSP or several loudspeakers.
  • the invention now enables a conversation between the base station BAS and the mobile part MOB to be reproduced via the power amplifier NFL and the loudspeaker LSP.
  • the SAM audio moule In the simplest case, it can be set up to only receive and to listen in on the conversation traffic between the base station and mobile parts MOB, this listening-in should expediently be initiated by the mobile part MOB and / or the base BAS.
  • the audio module is designed in principle like a further mobile part MOB, and can then work, for example, in a conference circuit in which an active connection is established between base station BAS and audio module SAM, which in turn can be initiated by a mobile part MOB .
  • Such conference calls are possible, for example, with the DECT system.
  • the microphone MIC already mentioned at the base station BAS has the purpose that speech can be reproduced via the radio interface between the audio module SAM and the base station BAS via the power amplifier NFL and the loudspeaker LSP or in different rooms ("speak directly) ").
  • the audio connection between the power amplifier NFL and the audio module SAM is established as a standard connection, for example using the SCART or CINCH connector or interface system.
  • the invention offers great flexibility due to the
  • Radio interface which eliminates the need for complex cabling, and playback via the loudspeaker or the LSP loudspeaker is not limited to one room, but can also take place in a far away room or, of course, at the same time in different rooms or, of course, also outdoors.
  • FIG. 2 shows a variant of the invention using a dual-mode cell phone or radio terminal MFG.
  • communication takes place between the mobile radio device MFG and the base station within the cells of the mobile radio network MFN via a mobile radio standard, here the GSM standard, whereas the communication between the mobile radio MFG and the audio module SAM runs over another standard, here the DECT standard.
  • a mobile radio standard here the GSM standard
  • the communication between the mobile radio MFG and the audio module SAM runs over another standard, here the DECT standard.
  • other radio interface standards - such as B. the Bluetooth interface system (see e.g. Funkschau 9/99 from April 16, 1999) - can be used between the mobile radio device MFG and the audio module SAM.
  • a connection can be made to the audio module SAM via the radio interface of the DECT system recorded and a connection established, which can also be just one-sided.
  • a connection is initiated by, for example, pressing a button on the mobile radio MFG or another, e.g. a voice-controlled input.
  • the further signal processing takes place with the
  • an automatic volume control can be set up, in which corresponding control parameters, for example determined by the base station BAS in FIG. 1 by means of the microphone MIC or on the part of the mobile radio device MFG according to FIG. 2, and the control parameters then to the audio module SAM will be transferred.
  • control parameters for example determined by the base station BAS in FIG. 1 by means of the microphone MIC or on the part of the mobile radio device MFG according to FIG. 2, and the control parameters then to the audio module SAM will be transferred.
  • a DECT system e.g. the short message transmission in the A field of each time slot is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un module de réception audio (SAM) pour un système de téléphonie mobile, qui peut être raccordé à un terminal radio (BAS, MOB, MFG) d'un réseau (FNE, MFN) par l'intermédiaire d'une interface radio (FSN) et qui comprend, outre une partie haute fréquence (HFT), un décodeur audio (DEC) dont la sortie audio peut être reliée à une entrée d'un amplificateur de puissance basse fréquence (NFL) par l'intermédiaire d'une liaison audio standard (CIN).
PCT/DE2000/001479 1999-05-12 2000-05-11 Dispositif de reception audio a module audio pour un systeme de telephonie mobile WO2000070846A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19922179.0 1999-05-12
DE19922179A DE19922179A1 (de) 1999-05-12 1999-05-12 Audio-Empfangseinrichtung mit einem Audiomodul für ein Mobiltelefonsystem

Publications (1)

Publication Number Publication Date
WO2000070846A1 true WO2000070846A1 (fr) 2000-11-23

Family

ID=7908019

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/001479 WO2000070846A1 (fr) 1999-05-12 2000-05-11 Dispositif de reception audio a module audio pour un systeme de telephonie mobile

Country Status (2)

Country Link
DE (1) DE19922179A1 (fr)
WO (1) WO2000070846A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10013607B4 (de) * 2000-03-18 2015-02-26 Ipcom Gmbh & Co. Kg Funkgerät
DE10100648A1 (de) * 2001-01-09 2002-07-11 Alcatel Sa Informationsausgabe-Vorrichtung
DE10329960A1 (de) * 2003-07-03 2005-03-17 Deutsche Telekom Ag Vorrichtung und Kommunikationssystem zum Verbinden einer Mobilfunk-Endeinrichtung mit einem Festnetz
CN110971762B (zh) * 2019-12-09 2021-03-16 歌尔科技有限公司 通信频率的设置方法、耳机、底座及无绳通信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9309032U1 (de) * 1993-06-17 1994-11-03 Lachnitt, Klaus, 20149 Hamburg Telefonvorrichtung
EP0766438A1 (fr) * 1995-09-29 1997-04-02 Philips Electronique Grand Public Système téléphonique sans fil avec dispositif périphérique contrÔlé à distance
WO1998048522A1 (fr) * 1997-04-17 1998-10-29 Wildcard Communications Canada Inc. Systeme de communication personnel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9309032U1 (de) * 1993-06-17 1994-11-03 Lachnitt, Klaus, 20149 Hamburg Telefonvorrichtung
EP0766438A1 (fr) * 1995-09-29 1997-04-02 Philips Electronique Grand Public Système téléphonique sans fil avec dispositif périphérique contrÔlé à distance
WO1998048522A1 (fr) * 1997-04-17 1998-10-29 Wildcard Communications Canada Inc. Systeme de communication personnel

Also Published As

Publication number Publication date
DE19922179A1 (de) 2000-11-23

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