WO1997033419A3 - Method and apparatus for adaptive volume control for a radiotelephone - Google Patents
Method and apparatus for adaptive volume control for a radiotelephone Download PDFInfo
- Publication number
- WO1997033419A3 WO1997033419A3 PCT/US1997/003261 US9703261W WO9733419A3 WO 1997033419 A3 WO1997033419 A3 WO 1997033419A3 US 9703261 W US9703261 W US 9703261W WO 9733419 A3 WO9733419 A3 WO 9733419A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sound
- amplitude
- microphone
- audio signal
- loudspeaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EE9800251A EE9800251A (en) | 1996-03-05 | 1997-03-03 | Method and devices for adaptive volume control in a radiotelephone |
PL97328724A PL184003B1 (en) | 1996-03-05 | 1997-03-03 | Method of and apparatus for adaptively controlling loudness of a radiolephone |
BR9707823A BR9707823A (en) | 1996-03-05 | 1997-03-03 | Radiotelephone and telephone systems with adaptively controlled volume speaker and adaptive process of the volume of a radiotelephone |
EP97907980A EP0882353A2 (en) | 1996-03-05 | 1997-03-03 | Method and apparatus for adaptive volume control for a radiotelephone |
KR1019980706925A KR100297351B1 (en) | 1996-03-05 | 1997-03-03 | Method and apparatus for adaptive volume control for a radiotelephone |
AU19840/97A AU716942B2 (en) | 1996-03-05 | 1997-03-03 | Method and apparatus for adaptive volume control for a radiotelephone |
JP9531862A JP2000506347A (en) | 1996-03-05 | 1997-03-03 | Method and apparatus for adaptive volume control of a wireless telephone |
HK99103374A HK1018373A1 (en) | 1996-03-05 | 1999-08-04 | Method and apparatus for adaptive volume control for a radiotelephone |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/611,121 US5966438A (en) | 1996-03-05 | 1996-03-05 | Method and apparatus for adaptive volume control for a radiotelephone |
US08/611,121 | 1996-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997033419A2 WO1997033419A2 (en) | 1997-09-12 |
WO1997033419A3 true WO1997033419A3 (en) | 1998-05-07 |
Family
ID=24447713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/003261 WO1997033419A2 (en) | 1996-03-05 | 1997-03-03 | Method and apparatus for adaptive volume control for a radiotelephone |
Country Status (12)
Country | Link |
---|---|
US (1) | US5966438A (en) |
EP (1) | EP0882353A2 (en) |
JP (1) | JP2000506347A (en) |
KR (1) | KR100297351B1 (en) |
CN (1) | CN1123191C (en) |
AU (1) | AU716942B2 (en) |
BR (1) | BR9707823A (en) |
EE (1) | EE9800251A (en) |
HK (1) | HK1018373A1 (en) |
MY (1) | MY119217A (en) |
PL (1) | PL184003B1 (en) |
WO (1) | WO1997033419A2 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
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US6744882B1 (en) * | 1996-07-23 | 2004-06-01 | Qualcomm Inc. | Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone |
JPH10327228A (en) * | 1997-05-26 | 1998-12-08 | Brother Ind Ltd | Communication equipment |
JPH11239093A (en) | 1998-02-20 | 1999-08-31 | Nec Corp | Mobile radio communication device |
GB2340334B (en) | 1998-07-29 | 2003-06-25 | Ericsson Telefon Ab L M | Telephone apparatus |
US6272460B1 (en) * | 1998-09-10 | 2001-08-07 | Sony Corporation | Method for implementing a speech verification system for use in a noisy environment |
US6263078B1 (en) | 1999-01-07 | 2001-07-17 | Signalworks, Inc. | Acoustic echo canceller with fast volume control compensation |
JP2001016057A (en) * | 1999-07-01 | 2001-01-19 | Matsushita Electric Ind Co Ltd | Sound device |
KR100345537B1 (en) * | 1999-07-27 | 2002-07-26 | 삼성전자 주식회사 | Transmitting/receiving voice and key tone level control method for cellular phone |
US6298247B1 (en) | 1999-12-30 | 2001-10-02 | Telefonaktiebolaget L.M. Ericsson (Publ) | Method and apparatus for automatic volume control |
JP2001251167A (en) * | 2000-03-03 | 2001-09-14 | Nec Corp | Adaptive filter |
FR2808154B1 (en) * | 2000-04-21 | 2002-09-20 | Sagem | BELL-FREE MOBILE TELEPHONE |
JP2002101156A (en) * | 2000-09-22 | 2002-04-05 | Sony Corp | Portable telephone and method for processing voice |
EP1429315B1 (en) * | 2001-06-11 | 2006-05-31 | Lear Automotive (EEDS) Spain, S.L. | Method and system for suppressing echoes and noises in environments under variable acoustic and highly fedback conditions |
US6978010B1 (en) * | 2002-03-21 | 2005-12-20 | Bellsouth Intellectual Property Corp. | Ambient noise cancellation for voice communication device |
JP4282317B2 (en) * | 2002-12-05 | 2009-06-17 | アルパイン株式会社 | Voice communication device |
JP2005109674A (en) * | 2003-09-29 | 2005-04-21 | Toshiba Corp | Voice signal clipping circuit and telephone set provided with voice signal clipping circuit |
US7983920B2 (en) | 2003-11-18 | 2011-07-19 | Microsoft Corporation | Adaptive computing environment |
US7210633B2 (en) * | 2004-11-19 | 2007-05-01 | Intermec Ip Corp. | Self-compensating speaker volume control system for data collection terminal |
US7333604B2 (en) * | 2005-01-10 | 2008-02-19 | Infone Tech, Ltd. | Adaptive notification of an incoming call in a mobile phone |
US20080161064A1 (en) * | 2006-12-29 | 2008-07-03 | Motorola, Inc. | Methods and devices for adaptive ringtone generation |
US8995683B2 (en) * | 2006-12-29 | 2015-03-31 | Google Technology Holdings LLC | Methods and devices for adaptive ringtone generation |
US20090088224A1 (en) * | 2007-09-27 | 2009-04-02 | Texas Instruments Incorporated | Adaptive volume control |
JP5845787B2 (en) * | 2011-09-30 | 2016-01-20 | ブラザー工業株式会社 | Audio processing apparatus, audio processing method, and audio processing program |
WO2013134929A1 (en) * | 2012-03-13 | 2013-09-19 | Motorola Solutions, Inc. | Method and apparatus for multi-stage adaptive volume control |
US9763006B2 (en) * | 2015-03-26 | 2017-09-12 | International Business Machines Corporation | Noise reduction in a microphone using vowel detection |
CN105653235A (en) * | 2016-01-21 | 2016-06-08 | 吉林大学 | Car horn volume mode self-adaptive control method based on environmental identification |
FR3063566B1 (en) * | 2017-03-06 | 2019-03-22 | Peugeot Citroen Automobiles Sa | METHOD AND SYSTEM FOR LIMITING VOICE VOLUME OF CAR TELEPHONE |
CN107135442A (en) * | 2017-07-03 | 2017-09-05 | 上海传英信息技术有限公司 | A kind of output volume control system, control method and intelligent terminal |
US11223716B2 (en) * | 2018-04-03 | 2022-01-11 | Polycom, Inc. | Adaptive volume control using speech loudness gesture |
CN111328008B (en) * | 2020-02-24 | 2021-11-05 | 广州市迪士普音响科技有限公司 | Sound pressure level intelligent control method based on sound amplification system |
CN111610947B (en) * | 2020-05-09 | 2022-03-29 | 东风汽车集团有限公司 | Vehicle-mounted end conversation volume automatic regulating system |
Citations (7)
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EP0500356A2 (en) * | 1991-02-19 | 1992-08-26 | Nec Corporation | Loudspeaker telephone device comprising a noise suppressing circuit |
EP0654954A1 (en) * | 1993-11-24 | 1995-05-24 | Ericsson Inc. | Method and apparatus for volume and intelligibility control for a loudspeaker |
GB2288959A (en) * | 1994-04-26 | 1995-11-01 | Mitsubishi Electric Corp | A noise-controlled communication apparatus |
EP0682437A2 (en) * | 1994-05-13 | 1995-11-15 | NEC Corporation | Device and method for automatically controlling sound volume in a communication apparatus |
EP0717547A2 (en) * | 1994-12-12 | 1996-06-19 | Nec Corporation | Automaticaly variable circuit of sound level of received voice signal in telephone |
WO1996027255A1 (en) * | 1995-02-27 | 1996-09-06 | Prescom | Hands-free telephone terminal speaker gain correction |
EP0767570A2 (en) * | 1995-10-05 | 1997-04-09 | Nokia Mobile Phones Ltd. | Equalization of speech signal in mobile phone |
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US4122507A (en) * | 1977-05-12 | 1978-10-24 | Chamberlain Manufacturing Corporation | Loudspeaker overload circuit |
US4296278A (en) * | 1979-01-05 | 1981-10-20 | Altec Corporation | Loudspeaker overload protection circuit |
US4490691A (en) * | 1980-06-30 | 1984-12-25 | Dolby Ray Milton | Compressor-expander circuits and, circuit arrangements for modifying dynamic range, for suppressing mid-frequency modulation effects and for reducing media overload |
DE3411962A1 (en) * | 1983-03-31 | 1984-10-31 | Sansui Electric Co., Ltd., Tokio/Tokyo | DATA TRANSFER DEVICE |
US4715063A (en) * | 1985-08-20 | 1987-12-22 | Motorola, Inc. | Speakerphone for radio and landline telephones |
AU596134B2 (en) * | 1986-04-03 | 1990-04-26 | Motorola, Inc. | Fm receiver with noise suppression during rayleigh faded received signals |
US4721923A (en) * | 1987-01-07 | 1988-01-26 | Motorola, Inc. | Radio receiver speech amplifier circuit |
US4741018A (en) * | 1987-04-24 | 1988-04-26 | Motorola, Inc. | Speakerphone using digitally compressed audio to control voice path gain |
US4843621A (en) * | 1987-04-24 | 1989-06-27 | Motorola, Inc. | Speakerphone using digitally compressed audio to detect acoustic feedback |
DE3875650D1 (en) * | 1987-05-15 | 1992-12-10 | Standard Elektrik Lorenz Ag | CIRCUIT ARRANGEMENT FOR VOICE CONTROL FOR A TERMINAL DEVICE OF MESSAGE TECHNOLOGY. |
US4847897A (en) * | 1987-12-11 | 1989-07-11 | American Telephone And Telegraph Company | Adaptive expander for telephones |
DE3837538C2 (en) * | 1988-02-03 | 1996-10-17 | Pioneer Electronic Corp | Volume control circuit with frequency response compensation for an audio playback device of a motor vehicle |
JPH0748681B2 (en) * | 1989-02-23 | 1995-05-24 | 日本電気株式会社 | Echo canceller coefficient control method |
JP2842607B2 (en) * | 1989-03-13 | 1999-01-06 | 株式会社日立製作所 | Echo canceller, communication device including the same, and signal processing method |
US5226178A (en) * | 1989-11-01 | 1993-07-06 | Motorola, Inc. | Compatible noise reduction system |
US5014294A (en) * | 1990-02-01 | 1991-05-07 | Motorola Inc. | Speakerphone for cellular telephones with howl prevention, detection, elimination and determination |
JPH03262939A (en) * | 1990-03-14 | 1991-11-22 | Fujitsu Ltd | Method and device for detecting echo path variation |
US5170435A (en) * | 1990-06-28 | 1992-12-08 | Bose Corporation | Waveguide electroacoustical transducing |
WO1992010037A1 (en) * | 1990-11-27 | 1992-06-11 | Jacobs Gordon M | Digital data converter |
US5115471A (en) * | 1991-01-02 | 1992-05-19 | Aphex Systems, Ltd. | High frequency expander device |
CA2056110C (en) * | 1991-03-27 | 1997-02-04 | Arnold I. Klayman | Public address intelligibility system |
DK168681B1 (en) * | 1992-03-02 | 1994-05-16 | Bang & Olufsen As | Speaker with means for frequency dependent amplitude control |
US5243657A (en) * | 1992-07-31 | 1993-09-07 | Brian Cotton | Automatic microphone sensitivity control circuit |
US5307405A (en) * | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
US5475731A (en) * | 1994-01-07 | 1995-12-12 | Ericsson Inc. | Echo-canceling system and method using echo estimate to modify error signal |
-
1996
- 1996-03-05 US US08/611,121 patent/US5966438A/en not_active Expired - Lifetime
-
1997
- 1997-03-03 BR BR9707823A patent/BR9707823A/en not_active IP Right Cessation
- 1997-03-03 JP JP9531862A patent/JP2000506347A/en not_active Ceased
- 1997-03-03 KR KR1019980706925A patent/KR100297351B1/en not_active IP Right Cessation
- 1997-03-03 PL PL97328724A patent/PL184003B1/en not_active IP Right Cessation
- 1997-03-03 EP EP97907980A patent/EP0882353A2/en not_active Withdrawn
- 1997-03-03 WO PCT/US1997/003261 patent/WO1997033419A2/en not_active Application Discontinuation
- 1997-03-03 CN CN97192799A patent/CN1123191C/en not_active Expired - Fee Related
- 1997-03-03 EE EE9800251A patent/EE9800251A/en unknown
- 1997-03-03 AU AU19840/97A patent/AU716942B2/en not_active Ceased
- 1997-03-05 MY MYPI97000922A patent/MY119217A/en unknown
-
1999
- 1999-08-04 HK HK99103374A patent/HK1018373A1/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0500356A2 (en) * | 1991-02-19 | 1992-08-26 | Nec Corporation | Loudspeaker telephone device comprising a noise suppressing circuit |
EP0654954A1 (en) * | 1993-11-24 | 1995-05-24 | Ericsson Inc. | Method and apparatus for volume and intelligibility control for a loudspeaker |
GB2288959A (en) * | 1994-04-26 | 1995-11-01 | Mitsubishi Electric Corp | A noise-controlled communication apparatus |
EP0682437A2 (en) * | 1994-05-13 | 1995-11-15 | NEC Corporation | Device and method for automatically controlling sound volume in a communication apparatus |
EP0717547A2 (en) * | 1994-12-12 | 1996-06-19 | Nec Corporation | Automaticaly variable circuit of sound level of received voice signal in telephone |
WO1996027255A1 (en) * | 1995-02-27 | 1996-09-06 | Prescom | Hands-free telephone terminal speaker gain correction |
EP0767570A2 (en) * | 1995-10-05 | 1997-04-09 | Nokia Mobile Phones Ltd. | Equalization of speech signal in mobile phone |
Also Published As
Publication number | Publication date |
---|---|
KR100297351B1 (en) | 2001-08-07 |
US5966438A (en) | 1999-10-12 |
MY119217A (en) | 2005-04-30 |
CN1123191C (en) | 2003-10-01 |
PL184003B1 (en) | 2002-08-30 |
AU1984097A (en) | 1997-09-22 |
WO1997033419A2 (en) | 1997-09-12 |
JP2000506347A (en) | 2000-05-23 |
CN1212804A (en) | 1999-03-31 |
PL328724A1 (en) | 1999-02-15 |
EP0882353A2 (en) | 1998-12-09 |
HK1018373A1 (en) | 1999-12-17 |
BR9707823A (en) | 1999-07-27 |
KR19990087497A (en) | 1999-12-27 |
EE9800251A (en) | 1999-02-15 |
AU716942B2 (en) | 2000-03-09 |
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