HK1253032A1 - 音頻編碼器和音頻解碼器 - Google Patents
音頻編碼器和音頻解碼器Info
- Publication number
- HK1253032A1 HK1253032A1 HK18112411.6A HK18112411A HK1253032A1 HK 1253032 A1 HK1253032 A1 HK 1253032A1 HK 18112411 A HK18112411 A HK 18112411A HK 1253032 A1 HK1253032 A1 HK 1253032A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- audio
- encoder
- decoder
- audio decoder
- audio encoder
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- H03M7/4012—Binary arithmetic codes
- H03M7/4018—Context adapative binary arithmetic codes [CABAC]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7984208P | 2008-07-11 | 2008-07-11 | |
US10382008P | 2008-10-08 | 2008-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1253032A1 true HK1253032A1 (zh) | 2019-06-06 |
Family
ID=40886050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK18112411.6A HK1253032A1 (zh) | 2008-07-11 | 2018-09-27 | 音頻編碼器和音頻解碼器 |
Country Status (22)
Country | Link |
---|---|
US (10) | US8930202B2 (zh) |
EP (10) | EP3573056B1 (zh) |
JP (1) | JP5606433B2 (zh) |
KR (1) | KR101456641B1 (zh) |
CN (1) | CN102089813B (zh) |
AR (1) | AR072422A1 (zh) |
AU (1) | AU2009267543B2 (zh) |
BR (4) | BR122021008239B1 (zh) |
CA (1) | CA2729925C (zh) |
CO (1) | CO6351831A2 (zh) |
DK (1) | DK3573056T3 (zh) |
ES (3) | ES2934052T3 (zh) |
FI (1) | FI3573056T3 (zh) |
HK (1) | HK1253032A1 (zh) |
MX (1) | MX2011000379A (zh) |
MY (1) | MY160260A (zh) |
PL (3) | PL3573056T3 (zh) |
PT (3) | PT3573056T (zh) |
RU (1) | RU2487427C2 (zh) |
TW (1) | TWI449033B (zh) |
WO (1) | WO2010003479A1 (zh) |
ZA (1) | ZA201009258B (zh) |
Families Citing this family (26)
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CA2730198C (en) | 2008-07-11 | 2014-09-16 | Frederik Nagel | Audio signal synthesizer and audio signal encoder |
EP3573056B1 (en) | 2008-07-11 | 2022-08-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
KR20100136890A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
EP2315358A1 (en) * | 2009-10-09 | 2011-04-27 | Thomson Licensing | Method and device for arithmetic encoding or arithmetic decoding |
MX2012004572A (es) | 2009-10-20 | 2012-06-08 | Fraunhofer Ges Forschung | Codificador de audio, decodificador de audio, metodo para codificar informacion de audio, metodo para decodificar informacion de audio y programa de computacion que usa una regla dependiente de la region para un mapeado mediante codificacion aritmetica. |
CA2786944C (en) * | 2010-01-12 | 2016-03-15 | Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries |
US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
CN102884573B (zh) * | 2010-03-10 | 2014-09-10 | 弗兰霍菲尔运输应用研究公司 | 使用取样率依赖时间扭曲轮廓编码的音频信号解码器、音频信号编码器及方法 |
CA2806000C (en) * | 2010-07-20 | 2016-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an optimized hash table |
AU2012230440C1 (en) * | 2011-03-18 | 2016-09-08 | Dolby International Ab | Frame element positioning in frames of a bitstream representing audio content |
TWI451746B (zh) * | 2011-11-04 | 2014-09-01 | Quanta Comp Inc | 視訊會議系統及視訊會議方法 |
CN112185399B (zh) | 2012-05-18 | 2024-07-30 | 杜比实验室特许公司 | 用于维持与参数音频编码器相关联的可逆动态范围控制信息的系统 |
US10844689B1 (en) | 2019-12-19 | 2020-11-24 | Saudi Arabian Oil Company | Downhole ultrasonic actuator system for mitigating lost circulation |
JP6065452B2 (ja) * | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
WO2014046526A1 (ko) * | 2012-09-24 | 2014-03-27 | 삼성전자 주식회사 | 프레임 에러 은닉방법 및 장치와 오디오 복호화방법 및 장치 |
KR20140089871A (ko) * | 2013-01-07 | 2014-07-16 | 삼성전자주식회사 | 대화형 서버, 그 제어 방법 및 대화형 시스템 |
JP6146069B2 (ja) | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
PT3008726T (pt) | 2013-06-10 | 2017-11-24 | Fraunhofer Ges Forschung | Aparelho e método de codificação, processamento e descodificação de envelope de sinal de áudio por modelação da representação de soma cumulativa empregando codificação e quantização de distribuição |
ES2635026T3 (es) * | 2013-06-10 | 2017-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento de codificación, procesamiento y decodificación de envolvente de señal de audio por división de la envolvente de la señal de audio utilizando cuantización y codificación de distribución |
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EP2830063A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for decoding an encoded audio signal |
WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
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CN115050378B (zh) * | 2022-05-19 | 2024-06-07 | 腾讯科技(深圳)有限公司 | 音频编解码方法及相关产品 |
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CA2786944C (en) * | 2010-01-12 | 2016-03-15 | Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries |
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2009
- 2009-05-18 EP EP19160283.8A patent/EP3573056B1/en active Active
- 2009-05-18 EP EP21190867.8A patent/EP3937167B1/en active Active
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- 2009-05-18 CN CN2009801272072A patent/CN102089813B/zh active Active
- 2009-05-18 WO PCT/EP2009/003521 patent/WO2010003479A1/en active Application Filing
- 2009-05-18 BR BR122021008239-1A patent/BR122021008239B1/pt active IP Right Grant
- 2009-05-18 BR BRPI0910796-7A patent/BRPI0910796B1/pt active IP Right Grant
- 2009-05-18 DK DK19160283.8T patent/DK3573056T3/da active
- 2009-05-18 PT PT191602838T patent/PT3573056T/pt unknown
- 2009-05-18 PL PL17190130T patent/PL3300076T3/pl unknown
- 2009-05-18 EP EP24166207.1A patent/EP4376306A3/en active Pending
- 2009-05-18 RU RU2011102424/08A patent/RU2487427C2/ru active
- 2009-05-18 ES ES19160283T patent/ES2934052T3/es active Active
- 2009-05-18 BR BR122021007875-0A patent/BR122021007875B1/pt active IP Right Grant
- 2009-05-18 EP EP24166208.9A patent/EP4376307A3/en active Pending
- 2009-05-18 EP EP23165075.5A patent/EP4224472B1/en active Active
- 2009-05-18 AU AU2009267543A patent/AU2009267543B2/en active Active
- 2009-05-18 FI FIEP19160283.8T patent/FI3573056T3/fi active
- 2009-05-18 EP EP23165074.8A patent/EP4224471B1/en active Active
- 2009-05-18 PT PT97766240T patent/PT2301019T/pt unknown
- 2009-05-18 ES ES17190130T patent/ES2731424T3/es active Active
- 2009-05-18 EP EP24166206.3A patent/EP4376305A3/en active Pending
- 2009-05-18 ES ES09776624.0T patent/ES2651437T3/es active Active
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