JP2002372996A5 - - Google Patents
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- JP2002372996A5 JP2002372996A5 JP2001182384A JP2001182384A JP2002372996A5 JP 2002372996 A5 JP2002372996 A5 JP 2002372996A5 JP 2001182384 A JP2001182384 A JP 2001182384A JP 2001182384 A JP2001182384 A JP 2001182384A JP 2002372996 A5 JP2002372996 A5 JP 2002372996A5
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- signal
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- 238000000034 method Methods 0.000 description 61
- 238000000354 decomposition reaction Methods 0.000 description 38
- 230000015572 biosynthetic process Effects 0.000 description 17
- 238000003786 synthesis reaction Methods 0.000 description 17
- 230000002194 synthesizing effect Effects 0.000 description 15
- 238000010606 normalization Methods 0.000 description 9
- 238000013139 quantization Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001182384A JP4622164B2 (ja) | 2001-06-15 | 2001-06-15 | 音響信号符号化方法及び装置 |
| US10/362,007 US7447640B2 (en) | 2001-06-15 | 2002-06-11 | Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus and recording medium |
| KR1020037002141A KR100922702B1 (ko) | 2001-06-15 | 2002-06-11 | 음향 신호 부호화 방법 및 장치, 음향 신호 복호화 방법및 장치, 및 기록 매체 |
| CNB028025245A CN1291375C (zh) | 2001-06-15 | 2002-06-11 | 声信号编码方法和设备、解码方法和设备 |
| PCT/JP2002/005809 WO2002103682A1 (fr) | 2001-06-15 | 2002-06-11 | Procede et appareil de codage de signaux acoustiques, procede et appareil de decodage de signaux acoustiques et support d'enregistrement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001182384A JP4622164B2 (ja) | 2001-06-15 | 2001-06-15 | 音響信号符号化方法及び装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002372996A JP2002372996A (ja) | 2002-12-26 |
| JP2002372996A5 true JP2002372996A5 (https=) | 2006-03-16 |
| JP4622164B2 JP4622164B2 (ja) | 2011-02-02 |
Family
ID=19022496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001182384A Expired - Lifetime JP4622164B2 (ja) | 2001-06-15 | 2001-06-15 | 音響信号符号化方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7447640B2 (https=) |
| JP (1) | JP4622164B2 (https=) |
| KR (1) | KR100922702B1 (https=) |
| CN (1) | CN1291375C (https=) |
| WO (1) | WO2002103682A1 (https=) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1717718A (zh) * | 2002-11-27 | 2006-01-04 | 皇家飞利浦电子股份有限公司 | 正弦波音频编码 |
| EP1815462A1 (en) * | 2004-11-09 | 2007-08-08 | Koninklijke Philips Electronics N.V. | Audio coding and decoding |
| KR100707174B1 (ko) * | 2004-12-31 | 2007-04-13 | 삼성전자주식회사 | 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법 |
| JP4635709B2 (ja) * | 2005-05-10 | 2011-02-23 | ソニー株式会社 | 音声符号化装置及び方法、並びに音声復号装置及び方法 |
| US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
| JP4606264B2 (ja) * | 2005-07-19 | 2011-01-05 | 三洋電機株式会社 | ノイズキャンセラ |
| US20070033042A1 (en) * | 2005-08-03 | 2007-02-08 | International Business Machines Corporation | Speech detection fusing multi-class acoustic-phonetic, and energy features |
| US7962340B2 (en) * | 2005-08-22 | 2011-06-14 | Nuance Communications, Inc. | Methods and apparatus for buffering data for use in accordance with a speech recognition system |
| US8620644B2 (en) * | 2005-10-26 | 2013-12-31 | Qualcomm Incorporated | Encoder-assisted frame loss concealment techniques for audio coding |
| EP2165328B1 (en) | 2007-06-11 | 2018-01-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion |
| KR101411901B1 (ko) * | 2007-06-12 | 2014-06-26 | 삼성전자주식회사 | 오디오 신호의 부호화/복호화 방법 및 장치 |
| CN101488344B (zh) * | 2008-01-16 | 2011-09-21 | 华为技术有限公司 | 一种量化噪声泄漏控制方法及装置 |
| CN101521010B (zh) * | 2008-02-29 | 2011-10-05 | 华为技术有限公司 | 一种音频信号的编解码方法和装置 |
| CN101615395B (zh) * | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
| US9812141B2 (en) * | 2010-01-08 | 2017-11-07 | Nippon Telegraph And Telephone Corporation | Encoding method, decoding method, encoder apparatus, decoder apparatus, and recording medium for processing pitch periods corresponding to time series signals |
| US10312933B1 (en) | 2014-01-15 | 2019-06-04 | Sprint Spectrum L.P. | Chord modulation communication system |
| EP3000110B1 (en) * | 2014-07-28 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selection of one of a first encoding algorithm and a second encoding algorithm using harmonics reduction |
| EP3182410A3 (en) * | 2015-12-18 | 2017-11-01 | Dolby International AB | Enhanced block switching and bit allocation for improved transform audio coding |
| US12254889B2 (en) | 2019-01-03 | 2025-03-18 | Dolby International Ab | Method, apparatus and system for hybrid speech synthesis |
| CN109817196B (zh) * | 2019-01-11 | 2021-06-08 | 安克创新科技股份有限公司 | 一种噪音消除方法、装置、系统、设备及存储介质 |
| CN113724725B (zh) * | 2021-11-04 | 2022-01-18 | 北京百瑞互联技术有限公司 | 一种蓝牙音频啸叫检测抑制方法、装置、介质及蓝牙设备 |
| KR20240161342A (ko) * | 2023-05-04 | 2024-11-12 | 한국전자통신연구원 | 오디오 신호의 부호화/복호화 방법 및 장치 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3275249B2 (ja) * | 1991-09-05 | 2002-04-15 | 日本電信電話株式会社 | 音声符号化・復号化方法 |
| US5717821A (en) * | 1993-05-31 | 1998-02-10 | Sony Corporation | Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal |
| TW327223B (en) * | 1993-09-28 | 1998-02-21 | Sony Co Ltd | Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal |
| JP3685823B2 (ja) * | 1993-09-28 | 2005-08-24 | ソニー株式会社 | 信号符号化方法及び装置、並びに信号復号化方法及び装置 |
| EP0692880B1 (en) * | 1993-11-04 | 2001-09-26 | Sony Corporation | Signal encoder, signal decoder, recording medium and signal encoding method |
| MY130167A (en) * | 1994-04-01 | 2007-06-29 | Sony Corp | Information encoding method and apparatus, information decoding method and apparatus, information transmission method and information recording medium |
| JP3465341B2 (ja) * | 1994-04-28 | 2003-11-10 | ソニー株式会社 | オーディオ信号符号化方法 |
| JPH07336231A (ja) | 1994-06-13 | 1995-12-22 | Sony Corp | 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体 |
| JP3250376B2 (ja) * | 1994-06-13 | 2002-01-28 | ソニー株式会社 | 情報符号化方法及び装置並びに情報復号化方法及び装置 |
| JP3277699B2 (ja) * | 1994-06-13 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置並びに信号復号化方法及び装置 |
| TW295747B (https=) * | 1994-06-13 | 1997-01-11 | Sony Co Ltd | |
| JPH0934493A (ja) | 1995-07-20 | 1997-02-07 | Graphics Commun Lab:Kk | 音響信号符号化装置、音響信号復号装置および音響信号処理装置 |
| JPH09101799A (ja) * | 1995-10-04 | 1997-04-15 | Sony Corp | 信号符号化方法及び装置 |
| US5886276A (en) * | 1997-01-16 | 1999-03-23 | The Board Of Trustees Of The Leland Stanford Junior University | System and method for multiresolution scalable audio signal encoding |
| TW429700B (en) * | 1997-02-26 | 2001-04-11 | Sony Corp | Information encoding method and apparatus, information decoding method and apparatus and information recording medium |
| US6064954A (en) * | 1997-04-03 | 2000-05-16 | International Business Machines Corp. | Digital audio signal coding |
| US6078880A (en) * | 1998-07-13 | 2000-06-20 | Lockheed Martin Corporation | Speech coding system and method including voicing cut off frequency analyzer |
| US6266644B1 (en) * | 1998-09-26 | 2001-07-24 | Liquid Audio, Inc. | Audio encoding apparatus and methods |
| JP2000122676A (ja) * | 1998-10-15 | 2000-04-28 | Takayoshi Hirata | 音楽信号の波形符号化方式 |
| JP2000267686A (ja) * | 1999-03-19 | 2000-09-29 | Victor Co Of Japan Ltd | 信号伝送方式及び復号化装置 |
| JP3434260B2 (ja) * | 1999-03-23 | 2003-08-04 | 日本電信電話株式会社 | オーディオ信号符号化方法及び復号化方法、これらの装置及びプログラム記録媒体 |
| JP2001007704A (ja) * | 1999-06-24 | 2001-01-12 | Matsushita Electric Ind Co Ltd | トーン成分データの適応オーディオ符号化方法 |
| CN1145929C (zh) * | 1999-08-27 | 2004-04-14 | 皇家菲利浦电子有限公司 | 具有改进的编码器和解码器的传输系统 |
-
2001
- 2001-06-15 JP JP2001182384A patent/JP4622164B2/ja not_active Expired - Lifetime
-
2002
- 2002-06-11 US US10/362,007 patent/US7447640B2/en not_active Expired - Lifetime
- 2002-06-11 KR KR1020037002141A patent/KR100922702B1/ko not_active Expired - Fee Related
- 2002-06-11 WO PCT/JP2002/005809 patent/WO2002103682A1/ja not_active Ceased
- 2002-06-11 CN CNB028025245A patent/CN1291375C/zh not_active Expired - Fee Related
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