CN101317217A - 子带编码装置和子带编码方法 - Google Patents
子带编码装置和子带编码方法 Download PDFInfo
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- CN101317217A CN101317217A CNA2006800446957A CN200680044695A CN101317217A CN 101317217 A CN101317217 A CN 101317217A CN A2006800446957 A CNA2006800446957 A CN A2006800446957A CN 200680044695 A CN200680044695 A CN 200680044695A CN 101317217 A CN101317217 A CN 101317217A
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- 238000000034 method Methods 0.000 title claims description 19
- 238000001228 spectrum Methods 0.000 claims abstract description 178
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/0204—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 using subband decomposition
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
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- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP347342/2005 | 2005-11-30 | ||
JP2005347342 | 2005-11-30 | ||
PCT/JP2006/323841 WO2007063913A1 (ja) | 2005-11-30 | 2006-11-29 | サブバンド符号化装置およびサブバンド符号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101317217A true CN101317217A (zh) | 2008-12-03 |
CN101317217B CN101317217B (zh) | 2012-07-18 |
Family
ID=38092246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800446957A Expired - Fee Related CN101317217B (zh) | 2005-11-30 | 2006-11-29 | 子带编码装置和子带编码方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8103516B2 (zh) |
EP (2) | EP2381440A3 (zh) |
JP (1) | JP5030789B2 (zh) |
KR (1) | KR20080070831A (zh) |
CN (1) | CN101317217B (zh) |
BR (1) | BRPI0619258A2 (zh) |
RU (1) | RU2008121724A (zh) |
WO (1) | WO2007063913A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103733257A (zh) * | 2011-06-01 | 2014-04-16 | 三星电子株式会社 | 音频编码方法和设备、音频解码方法和设备及其记录介质和采用音频编码方法和设备、音频解码方法和设备的多媒体装置 |
CN111986685A (zh) * | 2020-08-31 | 2020-11-24 | 北京百瑞互联技术有限公司 | 一种实现高采样率的音频编解码方法及*** |
CN112309408A (zh) * | 2020-11-10 | 2021-02-02 | 北京百瑞互联技术有限公司 | 一种扩展lc3音频编解码带宽的方法、装置及存储介质 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008022207A2 (en) * | 2006-08-15 | 2008-02-21 | Broadcom Corporation | Time-warping of decoded audio signal after packet loss |
CN101458930B (zh) * | 2007-12-12 | 2011-09-14 | 华为技术有限公司 | 带宽扩展中激励信号的生成及信号重建方法和装置 |
JP5448850B2 (ja) * | 2008-01-25 | 2014-03-19 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
US9525569B2 (en) * | 2010-03-03 | 2016-12-20 | Skype | Enhanced circuit-switched calls |
JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法***及瞬态信号可分层编解码方法 |
US9508356B2 (en) | 2010-04-19 | 2016-11-29 | Panasonic Intellectual Property Corporation Of America | Encoding device, decoding device, encoding method and decoding method |
JP6075743B2 (ja) * | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
US8762158B2 (en) * | 2010-08-06 | 2014-06-24 | Samsung Electronics Co., Ltd. | Decoding method and decoding apparatus therefor |
JP5707842B2 (ja) | 2010-10-15 | 2015-04-30 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
US9767822B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and decoding a watermarked signal |
US9767823B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and detecting a watermarked signal |
KR20230042410A (ko) | 2013-12-27 | 2023-03-28 | 소니그룹주식회사 | 복호화 장치 및 방법, 및 프로그램 |
CN103714822B (zh) * | 2013-12-27 | 2017-01-11 | 广州华多网络科技有限公司 | 基于silk编解码器的子带编解码方法及装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521646A (en) * | 1980-06-26 | 1985-06-04 | Callaghan Edward P | Methods and apparatus for bandwidth reduction |
US5706392A (en) * | 1995-06-01 | 1998-01-06 | Rutgers, The State University Of New Jersey | Perceptual speech coder and method |
JP3243174B2 (ja) * | 1996-03-21 | 2002-01-07 | 株式会社日立国際電気 | 狭帯域音声信号の周波数帯域拡張回路 |
TW301103B (en) * | 1996-09-07 | 1997-03-21 | Nat Science Council | The time domain alias cancellation device and its signal processing method |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
US7330814B2 (en) * | 2000-05-22 | 2008-02-12 | Texas Instruments Incorporated | Wideband speech coding with modulated noise highband excitation system and method |
DE60118627T2 (de) * | 2000-05-22 | 2007-01-11 | Texas Instruments Inc., Dallas | Vorrichtung und Verfahren zur Breitbandcodierung von Sprachsignalen |
US7136810B2 (en) * | 2000-05-22 | 2006-11-14 | Texas Instruments Incorporated | Wideband speech coding system and method |
SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
JP2002288962A (ja) * | 2001-03-26 | 2002-10-04 | Fuji Photo Film Co Ltd | 磁気テープ切出し装置 |
US7333929B1 (en) * | 2001-09-13 | 2008-02-19 | Chmounk Dmitri V | Modular scalable compressed audio data stream |
JP3926726B2 (ja) * | 2001-11-14 | 2007-06-06 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
JP2005347342A (ja) | 2004-05-31 | 2005-12-15 | Yamaha Motor Co Ltd | 実装機 |
RU2007107348A (ru) * | 2004-08-31 | 2008-09-10 | Мацусита Электрик Индастриал Ко., Лтд. (Jp) | Устройство и способ генерирования стереосигнала |
US8010349B2 (en) * | 2004-10-13 | 2011-08-30 | Panasonic Corporation | Scalable encoder, scalable decoder, and scalable encoding method |
US8099275B2 (en) * | 2004-10-27 | 2012-01-17 | Panasonic Corporation | Sound encoder and sound encoding method for generating a second layer decoded signal based on a degree of variation in a first layer decoded signal |
RU2404506C2 (ru) * | 2004-11-05 | 2010-11-20 | Панасоник Корпорэйшн | Устройство масштабируемого декодирования и устройство масштабируемого кодирования |
WO2006049204A1 (ja) * | 2004-11-05 | 2006-05-11 | Matsushita Electric Industrial Co., Ltd. | 符号化装置、復号化装置、符号化方法及び復号化方法 |
US7693709B2 (en) * | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
-
2006
- 2006-11-29 RU RU2008121724/09A patent/RU2008121724A/ru not_active Application Discontinuation
- 2006-11-29 CN CN2006800446957A patent/CN101317217B/zh not_active Expired - Fee Related
- 2006-11-29 BR BRPI0619258-0A patent/BRPI0619258A2/pt not_active Application Discontinuation
- 2006-11-29 KR KR1020087012396A patent/KR20080070831A/ko not_active Application Discontinuation
- 2006-11-29 EP EP11164142A patent/EP2381440A3/en not_active Withdrawn
- 2006-11-29 JP JP2007547983A patent/JP5030789B2/ja not_active Expired - Fee Related
- 2006-11-29 EP EP06833644A patent/EP1959433B1/en not_active Not-in-force
- 2006-11-29 US US12/095,548 patent/US8103516B2/en active Active
- 2006-11-29 WO PCT/JP2006/323841 patent/WO2007063913A1/ja active Application Filing
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103733257A (zh) * | 2011-06-01 | 2014-04-16 | 三星电子株式会社 | 音频编码方法和设备、音频解码方法和设备及其记录介质和采用音频编码方法和设备、音频解码方法和设备的多媒体装置 |
US9361895B2 (en) | 2011-06-01 | 2016-06-07 | Samsung Electronics Co., Ltd. | Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same |
CN103733257B (zh) * | 2011-06-01 | 2017-02-15 | 三星电子株式会社 | 音频编码方法和设备、音频解码方法和设备和采用音频编码方法和设备、音频解码方法和设备的多媒体装置 |
US9589569B2 (en) | 2011-06-01 | 2017-03-07 | Samsung Electronics Co., Ltd. | Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same |
US9858934B2 (en) | 2011-06-01 | 2018-01-02 | Samsung Electronics Co., Ltd. | Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same |
CN111986685A (zh) * | 2020-08-31 | 2020-11-24 | 北京百瑞互联技术有限公司 | 一种实现高采样率的音频编解码方法及*** |
CN112309408A (zh) * | 2020-11-10 | 2021-02-02 | 北京百瑞互联技术有限公司 | 一种扩展lc3音频编解码带宽的方法、装置及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
KR20080070831A (ko) | 2008-07-31 |
EP1959433A1 (en) | 2008-08-20 |
EP1959433A4 (en) | 2009-12-30 |
BRPI0619258A2 (pt) | 2011-09-27 |
CN101317217B (zh) | 2012-07-18 |
JPWO2007063913A1 (ja) | 2009-05-07 |
EP1959433B1 (en) | 2011-10-19 |
US8103516B2 (en) | 2012-01-24 |
US20100228541A1 (en) | 2010-09-09 |
WO2007063913A1 (ja) | 2007-06-07 |
EP2381440A2 (en) | 2011-10-26 |
RU2008121724A (ru) | 2009-12-10 |
EP2381440A3 (en) | 2012-03-21 |
JP5030789B2 (ja) | 2012-09-19 |
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