BRPI0910527A2 - codificador e decodificador de áudio para estruturas de codificação e decodificação de sinal de áudio testado - Google Patents
codificador e decodificador de áudio para estruturas de codificação e decodificação de sinal de áudio testadoInfo
- Publication number
- BRPI0910527A2 BRPI0910527A2 BRPI0910527A BRPI0910527A BRPI0910527A2 BR PI0910527 A2 BRPI0910527 A2 BR PI0910527A2 BR PI0910527 A BRPI0910527 A BR PI0910527A BR PI0910527 A BRPI0910527 A BR PI0910527A BR PI0910527 A2 BRPI0910527 A2 BR PI0910527A2
- Authority
- BR
- Brazil
- Prior art keywords
- decoder
- signal encoding
- tested
- audio signal
- audio
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
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
- G10L19/04—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
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
-
- 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
- G10L19/0212—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 orthogonal transformation
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7986208P | 2008-07-11 | 2008-07-11 | |
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017661.3A EP2144171B1 (en) | 2008-07-11 | 2008-10-08 | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
| PCT/EP2009/004015 WO2010003491A1 (en) | 2008-07-11 | 2009-06-04 | Audio encoder and decoder for encoding and decoding frames of sampled audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0910527A2 true BRPI0910527A2 (pt) | 2016-07-26 |
| BRPI0910527B1 BRPI0910527B1 (pt) | 2019-11-05 |
Family
ID=40351582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0910527-1A BRPI0910527B1 (pt) | 2008-07-11 | 2009-06-04 | codificador e decodificador de áudio para estruturas de codificação e decodificação de sinal de áudio testado |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2144171B1 (pt) |
| JP (1) | JP5551692B2 (pt) |
| KR (1) | KR101516468B1 (pt) |
| CN (1) | CN102089758B (pt) |
| AU (1) | AU2009267555A1 (pt) |
| BR (1) | BRPI0910527B1 (pt) |
| CA (1) | CA2730195C (pt) |
| ES (1) | ES2683077T3 (pt) |
| RU (1) | RU2507572C2 (pt) |
| WO (1) | WO2010003491A1 (pt) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| JP5699141B2 (ja) | 2009-06-23 | 2015-04-08 | ヴォイスエイジ・コーポレーション | 重み付けされた信号領域またはオリジナルの信号領域で適用される順方向時間領域エイリアシング取り消し |
| WO2011085483A1 (en) | 2010-01-13 | 2011-07-21 | Voiceage Corporation | Forward time-domain aliasing cancellation using linear-predictive filtering |
| AR085218A1 (es) | 2011-02-14 | 2013-09-18 | Fraunhofer Ges Forschung | Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio |
| MX2013009303A (es) | 2011-02-14 | 2013-09-13 | Fraunhofer Ges Forschung | Codec de audio utilizando sintesis de ruido durante fases inactivas. |
| MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| EP2676266B1 (en) * | 2011-02-14 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Linear prediction based coding scheme using spectral domain noise shaping |
| AU2012217216B2 (en) | 2011-02-14 | 2015-09-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| TR201908598T4 (tr) * | 2011-02-14 | 2019-07-22 | Fraunhofer Ges Forschung | Bir ses sinyalinin hizalı bir ileriye dönük kısımdan faydalanılarak enkode edilmesi için cihaz ve yöntem. |
| AR085362A1 (es) | 2011-02-14 | 2013-09-25 | Fraunhofer Ges Forschung | Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral |
| ES2458436T3 (es) | 2011-02-14 | 2014-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Representación de señal de información utilizando transformada superpuesta |
| PL2676267T3 (pl) | 2011-02-14 | 2017-12-29 | Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V | Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio |
| FR2972875A1 (fr) | 2011-03-17 | 2012-09-21 | France Telecom | Procede et dispositif de filtrage lors d'un changement de filtre arma |
| AU2012246799B2 (en) | 2011-04-21 | 2016-03-03 | Samsung Electronics Co., Ltd. | Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium |
| MX2013012301A (es) * | 2011-04-21 | 2013-12-06 | Samsung Electronics Co Ltd | Aparato para cuantificar coeficientes de codificacion predictiva lineal, aparato de codificacion de sonido, aparato para decuantificar coeficientes de codificacion predictiva lineal, aparato de decodificacion de sonido y dispositivo electronico para los mismos. |
| US9037456B2 (en) | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| CN104718572B (zh) * | 2012-06-04 | 2018-07-31 | 三星电子株式会社 | 音频编码方法和装置、音频解码方法和装置及采用该方法和装置的多媒体装置 |
| CN109448745B (zh) * | 2013-01-07 | 2021-09-07 | 中兴通讯股份有限公司 | 一种编码模式切换方法和装置、解码模式切换方法和装置 |
| CA2899542C (en) | 2013-01-29 | 2020-08-04 | Guillaume Fuchs | Noise filling without side information for celp-like coders |
| ES2736309T3 (es) | 2013-02-20 | 2019-12-27 | Fraunhofer Ges Forschung | Aparato y procedimiento para codificar o descodificar una señal de audio utilizando una superposición que depende de una ubicación de transitorios |
| KR102450178B1 (ko) | 2013-04-05 | 2022-10-06 | 돌비 인터네셔널 에이비 | 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더 |
| WO2014165543A1 (en) * | 2013-04-05 | 2014-10-09 | Dolby Laboratories Licensing Corporation | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
| WO2014202784A1 (en) * | 2013-06-21 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved signal fade out for switched audio coding systems during error concealment |
| EP2830065A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
| KR102244613B1 (ko) * | 2013-10-28 | 2021-04-26 | 삼성전자주식회사 | Ｑｍｆ 필터링 방법 및 이를 수행하는 장치 |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| EP2980797A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition |
| CN104111374B (zh) * | 2014-07-09 | 2017-01-04 | 西安交通大学 | 一种基于mdct系数进行正弦频率估计的方法 |
| EP2980796A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |
| EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| HK1244948A1 (zh) * | 2014-12-09 | 2018-08-17 | Dolby International Ab | Mdct域错误掩盖 |
| 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 |
| EP3067889A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
| EP3107096A1 (en) * | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| MY181992A (en) * | 2016-01-22 | 2021-01-18 | Fraunhofer Ges Forschung | Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling |
| EP3276620A1 (en) * | 2016-07-29 | 2018-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis |
| EP3324406A1 (en) | 2016-11-17 | 2018-05-23 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for decomposing an audio signal using a variable threshold |
| EP3324407A1 (en) * | 2016-11-17 | 2018-05-23 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for decomposing an audio signal using a ratio as a separation characteristic |
| EP3644313A1 (en) * | 2018-10-26 | 2020-04-29 | Fraunhofer Gesellschaft zur Förderung der Angewand | Perceptual audio coding with adaptive non-uniform time/frequency tiling using subband merging and time domain aliasing reduction |
| BR112021012753A2 (pt) * | 2019-01-13 | 2021-09-08 | Huawei Technologies Co., Ltd. | Método implementado por computador para codificação de áudio, dispositivo eletrônico e meio legível por computador não transitório |
| CN115691521B (zh) * | 2021-07-29 | 2026-03-13 | 华为技术有限公司 | 一种音频信号的编解码方法和装置 |
| CN117476017A (zh) * | 2022-07-27 | 2024-01-30 | 华为技术有限公司 | 音频编解码方法、装置、存储介质及计算机程序产品 |
| CN118522296A (zh) * | 2023-02-17 | 2024-08-20 | 华为技术有限公司 | 有损编解码器和无损编解码器之间的切换方法和装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
| RU2256293C2 (ru) * | 1997-06-10 | 2005-07-10 | Коудинг Технолоджиз Аб | Усовершенствование исходного кодирования с использованием дублирования спектральной полосы |
| US20020040299A1 (en) * | 2000-07-31 | 2002-04-04 | Kenichi Makino | Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| AU2003208517A1 (en) * | 2003-03-11 | 2004-09-30 | Nokia Corporation | Switching between coding schemes |
| US7516064B2 (en) * | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
| ATE371926T1 (de) * | 2004-05-17 | 2007-09-15 | Nokia Corp | Audiocodierung mit verschiedenen codierungsmodellen |
| RU2312405C2 (ru) * | 2005-09-13 | 2007-12-10 | Михаил Николаевич Гусев | Способ осуществления машинной оценки качества звуковых сигналов |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| EP2052548B1 (en) * | 2006-12-12 | 2012-02-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
-
2008
- 2008-10-08 EP EP08017661.3A patent/EP2144171B1/en active Active
- 2008-10-08 ES ES08017661.3T patent/ES2683077T3/es active Active
-
2009
- 2009-06-04 BR BRPI0910527-1A patent/BRPI0910527B1/pt active IP Right Grant
- 2009-06-04 CN CN200980127089.5A patent/CN102089758B/zh active Active
- 2009-06-04 WO PCT/EP2009/004015 patent/WO2010003491A1/en not_active Ceased
- 2009-06-04 AU AU2009267555A patent/AU2009267555A1/en not_active Abandoned
- 2009-06-04 RU RU2011102422/08A patent/RU2507572C2/ru active
- 2009-06-04 JP JP2011516978A patent/JP5551692B2/ja active Active
- 2009-06-04 CA CA2730195A patent/CA2730195C/en active Active
- 2009-06-04 KR KR1020117000767A patent/KR101516468B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2730195A1 (en) | 2010-01-14 |
| BRPI0910527B1 (pt) | 2019-11-05 |
| JP2011527444A (ja) | 2011-10-27 |
| RU2507572C2 (ru) | 2014-02-20 |
| EP2144171A1 (en) | 2010-01-13 |
| AU2009267555A1 (en) | 2010-01-14 |
| KR101516468B1 (ko) | 2015-05-04 |
| RU2011102422A (ru) | 2012-07-27 |
| CN102089758A (zh) | 2011-06-08 |
| CN102089758B (zh) | 2014-02-12 |
| CA2730195C (en) | 2014-09-09 |
| KR20110043592A (ko) | 2011-04-27 |
| JP5551692B2 (ja) | 2014-07-16 |
| WO2010003491A1 (en) | 2010-01-14 |
| ES2683077T3 (es) | 2018-09-24 |
| EP2144171B1 (en) | 2018-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Ipc: G10L 19/20 (2013.01), G10L 19/02 (2013.01), G10L 1 |
|
| B15K | Others concerning applications: alteration of classification |
Ipc: G06F 17/14 (2006.01), G10L 19/02 (2013.01), G10L 1 |
|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
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