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 |
| WO2010148516A1 (en) * | 2009-06-23 | 2010-12-29 | Voiceage Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
| TR201900663T4 (tr) | 2010-01-13 | 2019-02-21 | Voiceage Corp | Doğrusal öngörücü filtreleme kullanarak ileri doğru zaman alanı alıasıng iptali ile ses kod çözümü. |
| SG192714A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| TWI563498B (en) | 2011-02-14 | 2016-12-21 | Fraunhofer Ges Forschung | Apparatus and method for encoding an audio signal using an aligned look-ahead portion, and related computer program |
| PL2661745T3 (pl) | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
| AU2012217184B2 (en) | 2011-02-14 | 2015-07-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| RU2586838C2 (ru) | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодек, использующий синтез шума в течение неактивной фазы |
| CN103477387B (zh) * | 2011-02-14 | 2015-11-25 | 弗兰霍菲尔运输应用研究公司 | 使用频谱域噪声整形的基于线性预测的编码方案 |
| 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 |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| CN102959620B (zh) | 2011-02-14 | 2015-05-13 | 弗兰霍菲尔运输应用研究公司 | 利用重迭变换的信息信号表示 |
| FR2972875A1 (fr) * | 2011-03-17 | 2012-09-21 | France Telecom | Procede et dispositif de filtrage lors d'un changement de filtre arma |
| US8977544B2 (en) | 2011-04-21 | 2015-03-10 | 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 and electronic device therefor |
| TWI591622B (zh) | 2011-04-21 | 2017-07-11 | 三星電子股份有限公司 | 線性預測編碼係數的量子化裝置、聲音編碼裝置、線性預測編碼係數的去量子化裝置、聲音解碼裝置以及其電子元件 |
| US9037456B2 (en) | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| KR20150032614A (ko) * | 2012-06-04 | 2015-03-27 | 삼성전자주식회사 | 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기 |
| 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 |
| SG11201505913WA (en) * | 2013-01-29 | 2015-08-28 | Fraunhofer Ges Forschung | Noise filling without side information for celp-like coders |
| AU2014220725B2 (en) | 2013-02-20 | 2016-11-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
| MY173488A (en) * | 2013-04-05 | 2020-01-28 | Dolby Int Ab | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
| RU2665228C1 (ru) | 2013-04-05 | 2018-08-28 | Долби Интернэшнл Аб | Аудиокодер и декодер для кодирования по форме волны с перемежением |
| PT3011563T (pt) | 2013-06-21 | 2020-03-31 | Fraunhofer Ges Forschung | Descodificação de áudio com reconstrução de quadros corrompidos ou não recebidos usando tcx ltp |
| EP2830061A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
| 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 |
| 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 |
| 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 |
| FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| US10424305B2 (en) * | 2014-12-09 | 2019-09-24 | Dolby International Ab | MDCT-domain error concealment |
| 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 |
| 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 |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| ES2727462T3 (es) * | 2016-01-22 | 2019-10-16 | Fraunhofer Ges Forschung | Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral |
| 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 |
| BRPI0418839A (pt) * | 2004-05-17 | 2007-11-13 | Nokia Corp | método para suportar e dispositivo eletrÈnico suportando uma codificação de um sinal de áudio, sistema de codificação de áudio, e, produto de programa de software |
| 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 |
| KR101016224B1 (ko) * | 2006-12-12 | 2011-02-25 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법 |
-
2008
- 2008-10-08 ES ES08017661.3T patent/ES2683077T3/es active Active
- 2008-10-08 EP EP08017661.3A patent/EP2144171B1/en active Active
-
2009
- 2009-06-04 WO PCT/EP2009/004015 patent/WO2010003491A1/en not_active Ceased
- 2009-06-04 CN CN200980127089.5A patent/CN102089758B/zh active Active
- 2009-06-04 AU AU2009267555A patent/AU2009267555A1/en not_active Abandoned
- 2009-06-04 KR KR1020117000767A patent/KR101516468B1/ko active Active
- 2009-06-04 BR BRPI0910527-1A patent/BRPI0910527B1/pt active IP Right Grant
- 2009-06-04 CA CA2730195A patent/CA2730195C/en active Active
- 2009-06-04 RU RU2011102422/08A patent/RU2507572C2/ru active
- 2009-06-04 JP JP2011516978A patent/JP5551692B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2507572C2 (ru) | 2014-02-20 |
| WO2010003491A1 (en) | 2010-01-14 |
| CN102089758B (zh) | 2014-02-12 |
| EP2144171A1 (en) | 2010-01-13 |
| BRPI0910527B1 (pt) | 2019-11-05 |
| CA2730195C (en) | 2014-09-09 |
| EP2144171B1 (en) | 2018-05-16 |
| ES2683077T3 (es) | 2018-09-24 |
| CA2730195A1 (en) | 2010-01-14 |
| CN102089758A (zh) | 2011-06-08 |
| JP2011527444A (ja) | 2011-10-27 |
| JP5551692B2 (ja) | 2014-07-16 |
| KR101516468B1 (ko) | 2015-05-04 |
| KR20110043592A (ko) | 2011-04-27 |
| RU2011102422A (ru) | 2012-07-27 |
| AU2009267555A1 (en) | 2010-01-14 |
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