GB0616950D0 - Automatic gain control for mobile microphone - Google Patents
Automatic gain control for mobile microphoneInfo
- Publication number
- GB0616950D0 GB0616950D0 GBGB0616950.2A GB0616950A GB0616950D0 GB 0616950 D0 GB0616950 D0 GB 0616950D0 GB 0616950 A GB0616950 A GB 0616950A GB 0616950 D0 GB0616950 D0 GB 0616950D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- gain control
- automatic gain
- mobile microphone
- microphone
- mobile
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
-
- 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
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuit For Audible Band Transducer (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/740,332 US8135148B2 (en) | 2006-04-26 | 2007-04-26 | Automatic gain control for mobile microphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74568806P | 2006-04-26 | 2006-04-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0616950D0 true GB0616950D0 (en) | 2006-10-04 |
GB2437570A GB2437570A (en) | 2007-10-31 |
GB2437570B GB2437570B (en) | 2010-04-07 |
Family
ID=37102892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0616950A Expired - Fee Related GB2437570B (en) | 2006-04-26 | 2006-08-29 | Automatic gain control for mobile microphone |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101064498A (en) |
GB (1) | GB2437570B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113808605A (en) * | 2021-09-29 | 2021-12-17 | 睿云联(厦门)网络通讯技术有限公司 | Building intercom system-based voice enhancement method, device and equipment |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012134804A (en) * | 2010-12-22 | 2012-07-12 | Lapis Semiconductor Co Ltd | Circuit for automatic level adjustment of audio signal |
CN102497211B (en) * | 2011-12-27 | 2015-05-27 | 成都华森宝科技有限公司 | Automatic gain control (AGC) method for maintaining fixed gain of system link |
US9479270B2 (en) * | 2013-03-13 | 2016-10-25 | Analog Devices, Inc. | Apparatus and methods for loss of signal detection |
KR20140137265A (en) * | 2013-05-22 | 2014-12-02 | 삼성전자주식회사 | Communication Terminal, Home Network System, and Method for controlling electronic device in home network system thereof |
CN106060264B (en) * | 2016-06-27 | 2017-11-17 | 广东欧珀移动通信有限公司 | A kind of adjusting method of volume, device and mobile terminal |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01185008A (en) * | 1988-01-19 | 1989-07-24 | Nec Corp | Gain variable amplifier |
US6147979A (en) * | 1997-08-12 | 2000-11-14 | Lucent Technologies, Inc. | System and method for echo cancellation in a communication system |
US20030091180A1 (en) * | 1998-12-23 | 2003-05-15 | Patrik Sorqvist | Adaptive signal gain controller, system, and method |
DE10043436B4 (en) * | 2000-09-04 | 2008-10-09 | Infineon Technologies Ag | Method and circuit for automatic gain control of a signal amplifier |
US7142665B2 (en) * | 2004-07-16 | 2006-11-28 | Freescale Semiconductor, Inc. | Automatic gain control for an adaptive finite impulse response and method therefore |
-
2006
- 2006-08-29 GB GB0616950A patent/GB2437570B/en not_active Expired - Fee Related
-
2007
- 2007-04-26 CN CNA2007100980423A patent/CN101064498A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113808605A (en) * | 2021-09-29 | 2021-12-17 | 睿云联(厦门)网络通讯技术有限公司 | Building intercom system-based voice enhancement method, device and equipment |
CN113808605B (en) * | 2021-09-29 | 2023-09-12 | 睿云联(厦门)网络通讯技术有限公司 | Voice enhancement method, device and equipment based on building intercom system |
Also Published As
Publication number | Publication date |
---|---|
GB2437570B (en) | 2010-04-07 |
CN101064498A (en) | 2007-10-31 |
GB2437570A (en) | 2007-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120829 |