BRPI0517234B1 - Decodificador para gerar um sinal de áudio, codificador para codificar um sinal de áudio, métodos para gerar e para codificar um sinal de áudio, receptor para receber um sinal de áudio, transmissor e sistema de transmissão para transmitir um sinal de áudio, métodos para receber, transmitir, e transmitir e receber um sinal de áudio, meio de armazenamento legível por computador, equipamento reprodutor de áudio, e, equipamento gravador de áudio - Google Patents
Decodificador para gerar um sinal de áudio, codificador para codificar um sinal de áudio, métodos para gerar e para codificar um sinal de áudio, receptor para receber um sinal de áudio, transmissor e sistema de transmissão para transmitir um sinal de áudio, métodos para receber, transmitir, e transmitir e receber um sinal de áudio, meio de armazenamento legível por computador, equipamento reprodutor de áudio, e, equipamento gravador de áudio Download PDFInfo
- Publication number
- BRPI0517234B1 BRPI0517234B1 BRPI0517234-9A BRPI0517234A BRPI0517234B1 BR PI0517234 B1 BRPI0517234 B1 BR PI0517234B1 BR PI0517234 A BRPI0517234 A BR PI0517234A BR PI0517234 B1 BRPI0517234 B1 BR PI0517234B1
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- subband
- sub
- audio signal
- time domain
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 28
- 230000015572 biosynthetic process Effects 0.000 claims description 36
- 238000003786 synthesis reaction Methods 0.000 claims description 36
- 230000004044 response Effects 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 12
- 238000004590 computer program Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 24
- 230000003595 spectral effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 241000255777 Lepidoptera Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000003236 psychic effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 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
- G10L19/02—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
- G10L19/02—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04105457.8 | 2004-11-02 | ||
| EP04105457 | 2004-11-02 | ||
| EP05108293 | 2005-09-09 | ||
| EP05108293.1 | 2005-09-09 | ||
| PCT/IB2005/053545 WO2006048814A1 (en) | 2004-11-02 | 2005-10-31 | Encoding and decoding of audio signals using complex-valued filter banks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0517234A BRPI0517234A (pt) | 2008-10-07 |
| BRPI0517234B1 true BRPI0517234B1 (pt) | 2019-07-02 |
Family
ID=35530766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0517234-9A BRPI0517234B1 (pt) | 2004-11-02 | 2005-10-31 | Decodificador para gerar um sinal de áudio, codificador para codificar um sinal de áudio, métodos para gerar e para codificar um sinal de áudio, receptor para receber um sinal de áudio, transmissor e sistema de transmissão para transmitir um sinal de áudio, métodos para receber, transmitir, e transmitir e receber um sinal de áudio, meio de armazenamento legível por computador, equipamento reprodutor de áudio, e, equipamento gravador de áudio |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8255231B2 (enExample) |
| EP (1) | EP1810281B1 (enExample) |
| JP (1) | JP4939424B2 (enExample) |
| KR (1) | KR101187597B1 (enExample) |
| CN (2) | CN102148035B (enExample) |
| BR (1) | BRPI0517234B1 (enExample) |
| ES (1) | ES2791001T3 (enExample) |
| MX (1) | MX2007005103A (enExample) |
| PL (1) | PL1810281T3 (enExample) |
| RU (1) | RU2407069C2 (enExample) |
| WO (1) | WO2006048814A1 (enExample) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2099027A1 (en) * | 2008-03-05 | 2009-09-09 | Deutsche Thomson OHG | Method and apparatus for transforming between different filter bank domains |
| CA2966469C (en) | 2009-01-28 | 2020-05-05 | Dolby International Ab | Improved harmonic transposition |
| PL4503028T3 (pl) | 2009-01-28 | 2026-04-20 | Dolby International Ab | Ulepszona transpozycja harmonicznych |
| TWI618350B (zh) * | 2009-02-18 | 2018-03-11 | 杜比國際公司 | 用於高頻重建或參數立體聲之複指數調變濾波器組 |
| US8392200B2 (en) * | 2009-04-14 | 2013-03-05 | Qualcomm Incorporated | Low complexity spectral band replication (SBR) filterbanks |
| US11657788B2 (en) * | 2009-05-27 | 2023-05-23 | Dolby International Ab | Efficient combined harmonic transposition |
| TWI556227B (zh) * | 2009-05-27 | 2016-11-01 | 杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
| AU2013263712B2 (en) * | 2009-05-27 | 2015-11-12 | Dolby International Ab | Efficient Combined Harmonic Transposition |
| KR101599884B1 (ko) * | 2009-08-18 | 2016-03-04 | 삼성전자주식회사 | 멀티 채널 오디오 디코딩 방법 및 장치 |
| KR101405022B1 (ko) | 2009-09-18 | 2014-06-10 | 돌비 인터네셔널 에이비 | 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 저장 매체 |
| PL2532002T3 (pl) | 2010-03-09 | 2014-06-30 | Fraunhofer Ges Forschung | Urządzenie, sposób i program komputerowy do przetwarzania sygnału audio |
| JP5588025B2 (ja) * | 2010-03-09 | 2014-09-10 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | パッチ境界整合を用いてオーディオ信号を処理するための装置および方法 |
| CA2792449C (en) | 2010-03-09 | 2017-12-05 | Dolby International Ab | Device and method for improved magnitude response and temporal alignment in a phase vocoder based bandwidth extension method for audio signals |
| CA3045686C (en) | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| JP5850216B2 (ja) * | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| CN102473417B (zh) * | 2010-06-09 | 2015-04-08 | 松下电器（美国）知识产权公司 | 频带扩展方法、频带扩展装置、集成电路及音频解码装置 |
| JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
| KR101517446B1 (ko) * | 2010-08-12 | 2015-05-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 직각 대칭 필터 기반 오디오 코덱들의 출력 신호들의 리샘플링 |
| KR101826331B1 (ko) | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| JP5552988B2 (ja) * | 2010-09-27 | 2014-07-16 | 富士通株式会社 | 音声帯域拡張装置および音声帯域拡張方法 |
| CA2823175C (en) | 2010-12-29 | 2016-07-26 | Ki-Hyun Choo | Apparatus and method for encoding/decoding for high-frequency bandwidth extension |
| EP2719076B1 (en) * | 2011-06-10 | 2021-08-11 | Technion R&D Foundation | Receiver, transmitter and a method for digital multiple sub-band processing |
| WO2013068587A2 (en) | 2011-11-11 | 2013-05-16 | Dolby International Ab | Upsampling using oversampled sbr |
| CN103366749B (zh) * | 2012-03-28 | 2016-01-27 | 北京天籁传音数字技术有限公司 | 一种声音编解码装置及其方法 |
| CN103366750B (zh) * | 2012-03-28 | 2015-10-21 | 北京天籁传音数字技术有限公司 | 一种声音编解码装置及其方法 |
| EP2682941A1 (de) * | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne |
| EP2709106A1 (en) | 2012-09-17 | 2014-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal |
| CA3012134C (en) | 2013-01-08 | 2019-10-15 | Dolby International Ab | Model based prediction in a critically sampled filterbank |
| CN104078048B (zh) * | 2013-03-29 | 2017-05-03 | 北京天籁传音数字技术有限公司 | 一种声音解码装置及其方法 |
| RU2645271C2 (ru) * | 2013-04-05 | 2018-02-19 | Долби Интернэшнл Аб | Стереофонический кодер и декодер аудиосигналов |
| RU2665228C1 (ru) | 2013-04-05 | 2018-08-28 | Долби Интернэшнл Аб | Аудиокодер и декодер для кодирования по форме волны с перемежением |
| US9391724B2 (en) * | 2013-08-16 | 2016-07-12 | Arris Enterprises, Inc. | Frequency sub-band coding of digital signals |
| KR20250012719A (ko) | 2013-12-27 | 2025-01-24 | 소니그룹주식회사 | 복호화 장치 및 방법, 및 프로그램 |
| US9609451B2 (en) * | 2015-02-12 | 2017-03-28 | Dts, Inc. | Multi-rate system for audio processing |
| US10477313B2 (en) * | 2015-09-22 | 2019-11-12 | Koninklijke Philips N.V. | Audio signal processing |
| 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 |
| EP3301673A1 (en) * | 2016-09-30 | 2018-04-04 | Nxp B.V. | Audio communication method and apparatus |
| US10109959B1 (en) * | 2017-05-25 | 2018-10-23 | Juniper Networks, Inc. | Electrical connector with embedded processor |
| MX2022004444A (es) | 2019-10-18 | 2022-05-02 | Dolby Laboratories Licensing Corp | Métodos y sistema para codificación de forma de onda de señales de audio con un modelo generativo. |
| JP7072041B2 (ja) * | 2020-12-11 | 2022-05-19 | 株式会社東芝 | 計算装置 |
| MX2024007266A (es) * | 2021-12-20 | 2024-06-26 | Dolby Int Ab | Banco de filtros de ivas spar en dominio de qmf. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| JPH05235701A (ja) * | 1992-02-25 | 1993-09-10 | Nippon Steel Corp | 環状畳み込みによるディジタルフィルタバンク処理方法及び装置 |
| DE19647399C1 (de) | 1996-11-15 | 1998-07-02 | Fraunhofer Ges Forschung | Gehörangepaßte Qualitätsbeurteilung von Audiotestsignalen |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| KR100335609B1 (ko) | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
| JP3657120B2 (ja) * | 1998-07-30 | 2005-06-08 | 株式会社アーニス・サウンド・テクノロジーズ | 左，右両耳用のオーディオ信号を音像定位させるための処理方法 |
| US6996198B2 (en) * | 2000-10-27 | 2006-02-07 | At&T Corp. | Nonuniform oversampled filter banks for audio signal processing |
| CN1318904A (zh) * | 2001-03-13 | 2001-10-24 | 北京阜国数字技术有限公司 | 一种实用的基于小波变换的声音编解码器 |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| US7292901B2 (en) * | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US6934676B2 (en) * | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| JP3870193B2 (ja) * | 2001-11-29 | 2007-01-17 | コーディング テクノロジーズ アクチボラゲット | 高周波再構成に用いる符号器、復号器、方法及びコンピュータプログラム |
| CN1328707C (zh) | 2002-07-19 | 2007-07-25 | 日本电气株式会社 | 音频解码设备以及解码方法 |
| CA2399159A1 (en) * | 2002-08-16 | 2004-02-16 | Dspfactory Ltd. | Convergence improvement for oversampled subband adaptive filters |
| CA2469674C (en) * | 2002-09-19 | 2012-04-24 | Matsushita Electric Industrial Co., Ltd. | Audio decoding apparatus and method |
| US7333034B2 (en) * | 2003-05-21 | 2008-02-19 | Sony Corporation | Data processing device, encoding device, encoding method, decoding device decoding method, and program |
| BRPI0415951B1 (pt) * | 2003-10-30 | 2018-08-28 | Coding Tech Ab | método e codificador de áudio para codificar um sinal de áudio, e, método e decodificador de áudio para decodificar um sinal de áudio codificado |
-
2005
- 2005-10-31 ES ES05797747T patent/ES2791001T3/es not_active Expired - Lifetime
- 2005-10-31 BR BRPI0517234-9A patent/BRPI0517234B1/pt active IP Right Grant
- 2005-10-31 JP JP2007538599A patent/JP4939424B2/ja not_active Expired - Lifetime
- 2005-10-31 CN CN201110040478.3A patent/CN102148035B/zh not_active Expired - Lifetime
- 2005-10-31 KR KR1020077012506A patent/KR101187597B1/ko not_active Expired - Lifetime
- 2005-10-31 WO PCT/IB2005/053545 patent/WO2006048814A1/en not_active Ceased
- 2005-10-31 US US11/718,238 patent/US8255231B2/en active Active
- 2005-10-31 RU RU2007120591/09A patent/RU2407069C2/ru active
- 2005-10-31 CN CN2005800377577A patent/CN101053019B/zh not_active Expired - Lifetime
- 2005-10-31 EP EP05797747.2A patent/EP1810281B1/en not_active Expired - Lifetime
- 2005-10-31 PL PL05797747T patent/PL1810281T3/pl unknown
- 2005-10-31 MX MX2007005103A patent/MX2007005103A/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008519290A (ja) | 2008-06-05 |
| WO2006048814A1 (en) | 2006-05-11 |
| US20090063140A1 (en) | 2009-03-05 |
| MX2007005103A (es) | 2007-07-04 |
| ES2791001T3 (es) | 2020-10-30 |
| US8255231B2 (en) | 2012-08-28 |
| BRPI0517234A (pt) | 2008-10-07 |
| CN101053019A (zh) | 2007-10-10 |
| PL1810281T3 (pl) | 2020-07-27 |
| KR20070085681A (ko) | 2007-08-27 |
| CN102148035A (zh) | 2011-08-10 |
| RU2007120591A (ru) | 2008-12-10 |
| KR101187597B1 (ko) | 2012-10-12 |
| EP1810281A1 (en) | 2007-07-25 |
| RU2407069C2 (ru) | 2010-12-20 |
| JP4939424B2 (ja) | 2012-05-23 |
| CN101053019B (zh) | 2012-01-25 |
| EP1810281B1 (en) | 2020-02-26 |
| CN102148035B (zh) | 2014-06-18 |
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