TWI601130B - 音訊編碼裝置 - Google Patents
音訊編碼裝置 Download PDFInfo
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- TWI601130B TWI601130B TW105134207A TW105134207A TWI601130B TW I601130 B TWI601130 B TW I601130B TW 105134207 A TW105134207 A TW 105134207A TW 105134207 A TW105134207 A TW 105134207A TW I601130 B TWI601130 B TW I601130B
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- 238000013139 quantization Methods 0.000 claims description 127
- 238000001228 spectrum Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 16
- 230000005236 sound signal Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 238000004891 communication Methods 0.000 description 17
- 238000009826 distribution Methods 0.000 description 17
- 230000003595 spectral effect Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 16
- 238000003860 storage Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000014509 gene expression Effects 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008571 general function Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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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
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011121982/08A RU2464649C1 (ru) | 2011-06-01 | 2011-06-01 | Способ обработки звукового сигнала |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201705125A TW201705125A (zh) | 2017-02-01 |
| TWI601130B true TWI601130B (zh) | 2017-10-01 |
Family
ID=47145534
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105134207A TWI601130B (zh) | 2011-06-01 | 2012-06-01 | 音訊編碼裝置 |
| TW101119835A TWI562134B (en) | 2011-06-01 | 2012-06-01 | Audio encoding method and non-transitory computer-readable recording medium |
| TW106128176A TWI616869B (zh) | 2011-06-01 | 2012-06-01 | 音訊解碼方法、裝置及電腦可讀取記錄媒體 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101119835A TWI562134B (en) | 2011-06-01 | 2012-06-01 | Audio encoding method and non-transitory computer-readable recording medium |
| TW106128176A TWI616869B (zh) | 2011-06-01 | 2012-06-01 | 音訊解碼方法、裝置及電腦可讀取記錄媒體 |
Country Status (12)
| Country | Link |
|---|---|
| US (3) | US9361895B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP2717264B1 (cg-RX-API-DMAC7.html) |
| JP (2) | JP6262649B2 (cg-RX-API-DMAC7.html) |
| KR (2) | KR102044006B1 (cg-RX-API-DMAC7.html) |
| CN (3) | CN103733257B (cg-RX-API-DMAC7.html) |
| AU (3) | AU2012263093B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2838170C (cg-RX-API-DMAC7.html) |
| MX (2) | MX357875B (cg-RX-API-DMAC7.html) |
| PL (1) | PL2717264T3 (cg-RX-API-DMAC7.html) |
| RU (1) | RU2464649C1 (cg-RX-API-DMAC7.html) |
| TW (3) | TWI601130B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2012165910A2 (cg-RX-API-DMAC7.html) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2464649C1 (ru) | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
| CN107025909B (zh) | 2011-10-21 | 2020-12-29 | 三星电子株式会社 | 能量无损编码方法和设备以及能量无损解码方法和设备 |
| GB2508417B (en) * | 2012-11-30 | 2017-02-08 | Toshiba Res Europe Ltd | A speech processing system |
| CN104282312B (zh) | 2013-07-01 | 2018-02-23 | 华为技术有限公司 | 信号编码和解码方法以及设备 |
| EP2830055A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
| TWI579831B (zh) | 2013-09-12 | 2017-04-21 | 杜比國際公司 | 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統 |
| EP4134951B1 (en) * | 2013-09-13 | 2024-07-24 | Samsung Electronics Co., Ltd. | Energy lossless coding apparatus |
| KR102270106B1 (ko) * | 2013-09-13 | 2021-06-28 | 삼성전자주식회사 | 에너지 무손실 부호화방법 및 장치, 신호 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 신호 복호화방법 및 장치 |
| CN110867190B (zh) | 2013-09-16 | 2023-10-13 | 三星电子株式会社 | 信号编码方法和装置以及信号解码方法和装置 |
| BR112016008117B1 (pt) | 2013-10-18 | 2021-12-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificação de coeficientes espectrais de um espectro de um sinal de áudio |
| MX357353B (es) | 2013-12-02 | 2018-07-05 | Huawei Tech Co Ltd | Metodo y aparato de codificacion. |
| CN106463143B (zh) | 2014-03-03 | 2020-03-13 | 三星电子株式会社 | 用于带宽扩展的高频解码的方法及设备 |
| EP3128514A4 (en) * | 2014-03-24 | 2017-11-01 | Samsung Electronics Co., Ltd. | High-band encoding method and device, and high-band decoding method and device |
| CN106409303B (zh) * | 2014-04-29 | 2019-09-20 | 华为技术有限公司 | 处理信号的方法及设备 |
| KR20170037970A (ko) | 2014-07-28 | 2017-04-05 | 삼성전자주식회사 | 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 |
| GB2526636B (en) | 2014-09-19 | 2016-10-26 | Gurulogic Microsystems Oy | Encoder, decoder and methods employing partial data encryption |
| WO2016162283A1 (en) * | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
| CN104966517B (zh) * | 2015-06-02 | 2019-02-01 | 华为技术有限公司 | 一种音频信号增强方法和装置 |
| CN108432248A (zh) * | 2015-11-22 | 2018-08-21 | Lg电子株式会社 | 用于对视频信号进行熵编码和解码的方法和设备 |
| EP3775821B1 (en) | 2018-04-11 | 2025-10-01 | Dolby Laboratories Licensing Corporation | Perceptually-based loss functions for audio encoding and decoding based on machine learning |
| US10586546B2 (en) | 2018-04-26 | 2020-03-10 | Qualcomm Incorporated | Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding |
| US10573331B2 (en) * | 2018-05-01 | 2020-02-25 | Qualcomm Incorporated | Cooperative pyramid vector quantizers for scalable audio coding |
| US10734006B2 (en) | 2018-06-01 | 2020-08-04 | Qualcomm Incorporated | Audio coding based on audio pattern recognition |
| US10580424B2 (en) * | 2018-06-01 | 2020-03-03 | Qualcomm Incorporated | Perceptual audio coding as sequential decision-making problems |
| CN109473116B (zh) * | 2018-12-12 | 2021-07-20 | 思必驰科技股份有限公司 | 语音编码方法、语音解码方法及装置 |
| CN110400578B (zh) * | 2019-07-19 | 2022-05-17 | 广州市百果园信息技术有限公司 | 哈希码的生成及其匹配方法、装置、电子设备和存储介质 |
| RU2769618C2 (ru) * | 2020-05-18 | 2022-04-04 | ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "СберМедИИ" | Способ уменьшения вклада технических факторов в суммарный сигнал данных масс-спектрометрии с помощью фильтрации по техническим образцам |
| KR102660883B1 (ko) * | 2023-12-01 | 2024-04-25 | 주식회사 테스트웍스 | 임베디드 장치의 미디어 프로세싱 테스트 방법 및 이를 수행하는 컴퓨팅 장치 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6484142B1 (en) * | 1999-04-20 | 2002-11-19 | Matsushita Electric Industrial Co., Ltd. | Encoder using Huffman codes |
| US20030014136A1 (en) * | 2001-05-11 | 2003-01-16 | Nokia Corporation | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US20050091040A1 (en) * | 2003-01-09 | 2005-04-28 | Nam Young H. | Preprocessing of digital audio data for improving perceptual sound quality on a mobile phone |
| CN1898724A (zh) * | 2003-12-26 | 2007-01-17 | 松下电器产业株式会社 | 语音/乐音编码设备及语音/乐音编码方法 |
| US20090240491A1 (en) * | 2007-11-04 | 2009-09-24 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized mdct spectrum in scalable speech and audio codecs |
| TW201007705A (en) * | 2008-07-11 | 2010-02-16 | Fraunhofer Ges Forschung | Audio encoder and decoder for encoding and decoding audio samples |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1336841C (en) * | 1987-04-08 | 1995-08-29 | Tetsu Taguchi | Multi-pulse type coding system |
| JP3013698B2 (ja) * | 1994-04-20 | 2000-02-28 | 松下電器産業株式会社 | ベクトル量子化符号化装置と復号化装置 |
| US5687191A (en) * | 1995-12-06 | 1997-11-11 | Solana Technology Development Corporation | Post-compression hidden data transport |
| US5924064A (en) * | 1996-10-07 | 1999-07-13 | Picturetel Corporation | Variable length coding using a plurality of region bit allocation patterns |
| US8024269B1 (en) * | 1997-08-27 | 2011-09-20 | Datatreasury Corporation | Remote image capture with centralized processing and storage |
| JP4281131B2 (ja) * | 1998-10-22 | 2009-06-17 | ソニー株式会社 | 信号符号化装置及び方法、並びに信号復号装置及び方法 |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| JP3559485B2 (ja) * | 1999-11-22 | 2004-09-02 | 日本電信電話株式会社 | 音声信号の後処理方法および装置並びにプログラムを記録した記録媒体 |
| JP2002268693A (ja) * | 2001-03-12 | 2002-09-20 | Mitsubishi Electric Corp | オーディオ符号化装置 |
| CN1231890C (zh) | 2001-05-11 | 2005-12-14 | 松下电器产业株式会社 | 编码设备、解码设备和广播系统 |
| JP2003029797A (ja) * | 2001-05-11 | 2003-01-31 | Matsushita Electric Ind Co Ltd | 符号化装置、復号化装置および放送システム |
| EP1292036B1 (en) * | 2001-08-23 | 2012-08-01 | Nippon Telegraph And Telephone Corporation | Digital signal decoding methods and apparatuses |
| WO2003042979A2 (en) * | 2001-11-14 | 2003-05-22 | Matsushita Electric Industrial Co., Ltd. | Encoding device and decoding device |
| JP2003233397A (ja) * | 2002-02-12 | 2003-08-22 | Victor Co Of Japan Ltd | オーディオ符号化装置、オーディオ符号化プログラム及びオーディオ符号化データ伝送装置 |
| KR100462611B1 (ko) * | 2002-06-27 | 2004-12-20 | 삼성전자주식회사 | 하모닉 성분을 이용한 오디오 코딩방법 및 장치 |
| JP4728568B2 (ja) * | 2002-09-04 | 2011-07-20 | マイクロソフト コーポレーション | レベル・モードとラン・レングス／レベル・モードの間での符号化を適応させるエントロピー符号化 |
| US7433824B2 (en) | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
| KR100657916B1 (ko) * | 2004-12-01 | 2006-12-14 | 삼성전자주식회사 | 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법 |
| KR100771401B1 (ko) * | 2005-08-01 | 2007-10-30 | (주)펄서스 테크놀러지 | 프로그래머블 프로세서에서 ｍｐｅｇ-2 또는 ｍｐｅｇ-4ａａｃ 오디오 복호 알고리즘을 처리하기 위한 연산 회로및 연산 방법 |
| BRPI0520729B1 (pt) * | 2005-11-04 | 2019-04-02 | Nokia Technologies Oy | Método para a codificação e decodificação de sinais de áudio, codificador para codificação e decodificador para decodificar sinais de áudio e sistema para compressão de áudio digital. |
| BRPI0619258A2 (pt) | 2005-11-30 | 2011-09-27 | Matsushita Electric Industrial Co., Ltd | aparelho de codificação de sub-banda e método de codificação de sub-banda |
| EP1989707A2 (fr) * | 2006-02-24 | 2008-11-12 | France Telecom | Procede de codage binaire d'indices de quantification d'une enveloppe d'un signal, procede de decodage d'une enveloppe d'un signal et modules de codage et decodage correspondants |
| KR101041892B1 (ko) * | 2006-08-15 | 2011-06-16 | 브로드콤 코포레이션 | 패킷 손실 은닉 후 디코더 상태의 갱신 기법 |
| KR101346358B1 (ko) * | 2006-09-18 | 2013-12-31 | 삼성전자주식회사 | 대역폭 확장 기법을 이용한 오디오 신호의 부호화/복호화방법 및 장치 |
| JP4823001B2 (ja) * | 2006-09-27 | 2011-11-24 | 富士通セミコンダクター株式会社 | オーディオ符号化装置 |
| US7953595B2 (en) * | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
| US20080243518A1 (en) * | 2006-11-16 | 2008-10-02 | Alexey Oraevsky | System And Method For Compressing And Reconstructing Audio Files |
| KR100895100B1 (ko) * | 2007-01-31 | 2009-04-28 | 엠텍비젼 주식회사 | 디지털 오디오 데이터의 복호화 방법 및 디지털 오디오데이터의 복호화 장치 |
| DE602008005250D1 (de) * | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
| US8554550B2 (en) * | 2008-01-28 | 2013-10-08 | Qualcomm Incorporated | Systems, methods, and apparatus for context processing using multi resolution analysis |
| US8290782B2 (en) * | 2008-07-24 | 2012-10-16 | Dts, Inc. | Compression of audio scale-factors by two-dimensional transformation |
| CN101673547B (zh) * | 2008-09-08 | 2011-11-30 | 华为技术有限公司 | 编码方法、解码方法及其装置 |
| CN101898724B (zh) | 2009-05-27 | 2013-04-10 | 无锡港盛港口机械有限公司 | 双颚抓斗取物装置 |
| KR20100136890A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
| CN102081927B (zh) * | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及系统 |
| CN101847410A (zh) * | 2010-05-31 | 2010-09-29 | 中国传媒大学广播电视数字化教育部工程研究中心 | 一种用于数字音频信号压缩的快速量化方法 |
| RU2464649C1 (ru) * | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
| CN107025909B (zh) * | 2011-10-21 | 2020-12-29 | 三星电子株式会社 | 能量无损编码方法和设备以及能量无损解码方法和设备 |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6484142B1 (en) * | 1999-04-20 | 2002-11-19 | Matsushita Electric Industrial Co., Ltd. | Encoder using Huffman codes |
| US20030014136A1 (en) * | 2001-05-11 | 2003-01-16 | Nokia Corporation | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US20050091040A1 (en) * | 2003-01-09 | 2005-04-28 | Nam Young H. | Preprocessing of digital audio data for improving perceptual sound quality on a mobile phone |
| CN1898724A (zh) * | 2003-12-26 | 2007-01-17 | 松下电器产业株式会社 | 语音/乐音编码设备及语音/乐音编码方法 |
| US20090240491A1 (en) * | 2007-11-04 | 2009-09-24 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized mdct spectrum in scalable speech and audio codecs |
| TW201007705A (en) * | 2008-07-11 | 2010-02-16 | Fraunhofer Ges Forschung | Audio encoder and decoder for encoding and decoding audio samples |
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