CN1201289C - 数字信号的编码和解码方法 - Google Patents
数字信号的编码和解码方法 Download PDFInfo
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- CN1201289C CN1201289C CNB018112749A CN01811274A CN1201289C CN 1201289 C CN1201289 C CN 1201289C CN B018112749 A CNB018112749 A CN B018112749A CN 01811274 A CN01811274 A CN 01811274A CN 1201289 C CN1201289 C CN 1201289C
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- 238000000034 method Methods 0.000 claims abstract description 49
- 238000013139 quantization Methods 0.000 claims description 63
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/38—Flow control; Congestion control by adapting coding or compression rate
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- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/04—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 using predictive techniques
Abstract
Description
Claims (26)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE00017285 | 2000-05-10 | ||
SE0001728A SE522261C2 (sv) | 2000-05-10 | 2000-05-10 | Kodning och avkodning av en digital signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1436347A CN1436347A (zh) | 2003-08-13 |
CN1201289C true CN1201289C (zh) | 2005-05-11 |
Family
ID=20279622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018112749A Expired - Lifetime CN1201289C (zh) | 2000-05-10 | 2001-05-10 | 数字信号的编码和解码方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6970479B2 (zh) |
EP (1) | EP1299879B1 (zh) |
CN (1) | CN1201289C (zh) |
AT (1) | ATE333696T1 (zh) |
AU (1) | AU2001256925A1 (zh) |
DE (1) | DE60121592T2 (zh) |
SE (1) | SE522261C2 (zh) |
WO (1) | WO2001086636A1 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3415126B2 (ja) * | 2001-09-04 | 2003-06-09 | 三菱電機株式会社 | 可変長符号多重化装置、可変長符号分離装置、可変長符号多重化方法及び可変長符号分離方法 |
US6882685B2 (en) * | 2001-09-18 | 2005-04-19 | Microsoft Corporation | Block transform and quantization for image and video coding |
BR0214428A (pt) * | 2001-11-27 | 2004-11-03 | Siemens Ag | Processo para a troca de informações úteis, geradas segundo diferentes leis de codificação, entre pelo menos dois equipamentos terminais de usuário |
SE521600C2 (sv) | 2001-12-04 | 2003-11-18 | Global Ip Sound Ab | Lågbittaktskodek |
US7408918B1 (en) * | 2002-10-07 | 2008-08-05 | Cisco Technology, Inc. | Methods and apparatus for lossless compression of delay sensitive signals |
US7313236B2 (en) * | 2003-04-09 | 2007-12-25 | International Business Machines Corporation | Methods and apparatus for secure and adaptive delivery of multimedia content |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
TWI236819B (en) * | 2003-07-18 | 2005-07-21 | Hon Hai Prec Ind Co Ltd | A network telephony system and method |
WO2005033198A1 (en) * | 2003-10-07 | 2005-04-14 | Coloplast A/S | A composition useful as an adhesive and use of such a composition |
US8180631B2 (en) * | 2005-07-11 | 2012-05-15 | Lg Electronics Inc. | Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient |
GB2436191B (en) * | 2006-03-14 | 2008-06-25 | Motorola Inc | Communication Unit, Intergrated Circuit And Method Therefor |
EP1855271A1 (en) * | 2006-05-12 | 2007-11-14 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for re-encoding signals |
US9635315B2 (en) | 2006-08-07 | 2017-04-25 | Oovoo Llc | Video conferencing over IP networks |
US8856371B2 (en) * | 2006-08-07 | 2014-10-07 | Oovoo Llc | Video conferencing over IP networks |
US8557393B2 (en) * | 2006-10-31 | 2013-10-15 | Exxonmobil Chemical Patents Inc. | Adhesive thermoplastic vulcanizates |
KR101299155B1 (ko) * | 2006-12-29 | 2013-08-22 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 |
US8942289B2 (en) * | 2007-02-21 | 2015-01-27 | Microsoft Corporation | Computational complexity and precision control in transform-based digital media codec |
US7844539B2 (en) * | 2007-03-02 | 2010-11-30 | Chicago Board Options Exchange, Incorporated | Hybrid trading system for concurrently trading combined orders for financial instruments through both electronic and open-outcry trading mechanisms |
US8418032B2 (en) * | 2007-12-10 | 2013-04-09 | France Telecom | Processing of bit errors in a digital audio bit frame |
US8855211B2 (en) * | 2008-01-22 | 2014-10-07 | At&T Intellectual Property I, Lp | Method and apparatus for managing video transport |
JP2011024066A (ja) * | 2009-07-17 | 2011-02-03 | Sony Corp | 画像処理装置および方法 |
WO2012026092A1 (ja) * | 2010-08-23 | 2012-03-01 | パナソニック株式会社 | 音声信号処理装置及び音声信号処理方法 |
US8818797B2 (en) * | 2010-12-23 | 2014-08-26 | Microsoft Corporation | Dual-band speech encoding |
US9325639B2 (en) | 2013-12-17 | 2016-04-26 | At&T Intellectual Property I, L.P. | Hierarchical caching system for lossless network packet capture applications |
WO2023049628A1 (en) * | 2021-09-27 | 2023-03-30 | Qualcomm Incorporated | Efficient packet-loss protected data encoding and/or decoding |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4726019A (en) * | 1986-02-28 | 1988-02-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital encoder and decoder synchronization in the presence of late arriving packets |
JP2783534B2 (ja) * | 1986-11-13 | 1998-08-06 | キヤノン株式会社 | 符号化装置 |
US6006174A (en) * | 1990-10-03 | 1999-12-21 | Interdigital Technology Coporation | Multiple impulse excitation speech encoder and decoder |
FR2700632B1 (fr) * | 1993-01-21 | 1995-03-24 | France Telecom | Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués. |
KR950008637B1 (ko) * | 1993-04-08 | 1995-08-03 | 삼성전자주식회사 | 부밴드 코딩시스템의 신호처리장치 |
US5528625A (en) * | 1994-01-03 | 1996-06-18 | At&T Corp. | High speed quantization-level-sampling modem with equalization arrangement |
GB9509831D0 (en) * | 1995-05-15 | 1995-07-05 | Gerzon Michael A | Lossless coding method for waveform data |
JP2856185B2 (ja) * | 1997-01-21 | 1999-02-10 | 日本電気株式会社 | 音声符号化復号化システム |
GB2323754B (en) * | 1997-01-30 | 2002-03-20 | Peter Graham Craven | Lossless compression using iir prediction filters |
US6009387A (en) * | 1997-03-20 | 1999-12-28 | International Business Machines Corporation | System and method of compression/decompressing a speech signal by using split vector quantization and scalar quantization |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
IL129752A (en) * | 1999-05-04 | 2003-01-12 | Eci Telecom Ltd | Telecommunication method and system for using same |
-
2000
- 2000-05-10 SE SE0001728A patent/SE522261C2/sv not_active IP Right Cessation
-
2001
- 2001-05-10 US US09/853,883 patent/US6970479B2/en not_active Expired - Lifetime
- 2001-05-10 CN CNB018112749A patent/CN1201289C/zh not_active Expired - Lifetime
- 2001-05-10 AU AU2001256925A patent/AU2001256925A1/en not_active Abandoned
- 2001-05-10 WO PCT/SE2001/001022 patent/WO2001086636A1/en active IP Right Grant
- 2001-05-10 AT AT01930394T patent/ATE333696T1/de not_active IP Right Cessation
- 2001-05-10 DE DE60121592T patent/DE60121592T2/de not_active Expired - Lifetime
- 2001-05-10 EP EP01930394A patent/EP1299879B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2001256925A1 (en) | 2001-11-20 |
SE0001728D0 (sv) | 2000-05-10 |
ATE333696T1 (de) | 2006-08-15 |
DE60121592T2 (de) | 2007-06-28 |
SE522261C2 (sv) | 2004-01-27 |
US6970479B2 (en) | 2005-11-29 |
EP1299879B1 (en) | 2006-07-19 |
US20020018490A1 (en) | 2002-02-14 |
WO2001086636A1 (en) | 2001-11-15 |
DE60121592D1 (de) | 2006-08-31 |
EP1299879A1 (en) | 2003-04-09 |
SE0001728L (sv) | 2001-12-28 |
CN1436347A (zh) | 2003-08-13 |
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