CN102177688B - 语音编、解码方法、装置和系统 - Google Patents
语音编、解码方法、装置和系统 Download PDFInfo
- Publication number
- CN102177688B CN102177688B CN200980148063.9A CN200980148063A CN102177688B CN 102177688 B CN102177688 B CN 102177688B CN 200980148063 A CN200980148063 A CN 200980148063A CN 102177688 B CN102177688 B CN 102177688B
- Authority
- CN
- China
- Prior art keywords
- signal
- pcm signaling
- secondary signal
- time slot
- pcm
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/075476 WO2011069293A1 (zh) | 2009-12-10 | 2009-12-10 | 语音编、解码方法、装置和系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102177688A CN102177688A (zh) | 2011-09-07 |
CN102177688B true CN102177688B (zh) | 2014-12-17 |
Family
ID=44145090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980148063.9A Active CN102177688B (zh) | 2009-12-10 | 2009-12-10 | 语音编、解码方法、装置和系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8849654B2 (zh) |
EP (1) | EP2472807A4 (zh) |
CN (1) | CN102177688B (zh) |
WO (1) | WO2011069293A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1122397C (zh) * | 1998-12-23 | 2003-09-24 | 三星电子株式会社 | 消除交换系统中回声和侧音的电路 |
CN100456358C (zh) * | 2004-04-08 | 2009-01-28 | 华为技术有限公司 | 一种实现端到端语音加密的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6324176B1 (en) * | 1998-06-05 | 2001-11-27 | Lucent Technologies Inc. | Switching internet traffic through digital switches having a time slot interchange network |
US7339924B1 (en) * | 1998-09-30 | 2008-03-04 | Cisco Technology, Inc. | Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) |
US7003093B2 (en) * | 2000-09-08 | 2006-02-21 | Intel Corporation | Tone detection for integrated telecommunications processing |
US20020116186A1 (en) * | 2000-09-09 | 2002-08-22 | Adam Strauss | Voice activity detector for integrated telecommunications processing |
US6738358B2 (en) * | 2000-09-09 | 2004-05-18 | Intel Corporation | Network echo canceller for integrated telecommunications processing |
US7035282B1 (en) | 2001-04-10 | 2006-04-25 | Cisco Technology, Inc. | Wideband telephones, adapters, gateways, software and methods for wideband telephony over IP network |
KR100475879B1 (ko) | 2002-11-11 | 2005-03-11 | 한국전자통신연구원 | 유무선 인터넷 전화용 통신 단말장치 |
US7889783B2 (en) * | 2002-12-06 | 2011-02-15 | Broadcom Corporation | Multiple data rate communication system |
US7450570B1 (en) | 2003-11-03 | 2008-11-11 | At&T Intellectual Property Ii, L.P. | System and method of providing a high-quality voice network architecture |
ES2298966T3 (es) * | 2005-07-28 | 2008-05-16 | Alcatel Lucent | Telecomunicacion de banda ancha - banda estrecha. |
US8224247B2 (en) * | 2007-05-16 | 2012-07-17 | Texas Instruments Incorporated | Controller integrated audio codec for advanced audio distribution profile audio streaming applications |
US8249066B2 (en) * | 2008-02-19 | 2012-08-21 | Dialogic Corporation | Apparatus and method for allocating media resources |
JP4661901B2 (ja) * | 2008-04-18 | 2011-03-30 | ソニー株式会社 | 信号処理装置および方法、プログラム、並びに信号処理システム |
-
2009
- 2009-12-10 CN CN200980148063.9A patent/CN102177688B/zh active Active
- 2009-12-10 EP EP09851973A patent/EP2472807A4/en not_active Withdrawn
- 2009-12-10 WO PCT/CN2009/075476 patent/WO2011069293A1/zh active Application Filing
-
2012
- 2012-05-04 US US13/464,872 patent/US8849654B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1122397C (zh) * | 1998-12-23 | 2003-09-24 | 三星电子株式会社 | 消除交换系统中回声和侧音的电路 |
CN100456358C (zh) * | 2004-04-08 | 2009-01-28 | 华为技术有限公司 | 一种实现端到端语音加密的方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2472807A1 (en) | 2012-07-04 |
US8849654B2 (en) | 2014-09-30 |
EP2472807A4 (en) | 2013-01-02 |
US20120221327A1 (en) | 2012-08-30 |
CN102177688A (zh) | 2011-09-07 |
WO2011069293A1 (zh) | 2011-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170712 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee after: Guangdong Gaohang Intellectual Property Operation Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170726 Address after: 226000 Jiangsu Province, Nantong City Chongchuan District Gongnong Road, No. 5 Asia-Pacific Building, Room 302, podium Patentee after: Nantong Zhongxin Computer Technology Co., Ltd. Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee before: Guangdong Gaohang Intellectual Property Operation Co., Ltd. |