JP2011527446A5 - - Google Patents
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- JP2011527446A5 JP2011527446A5 JP2011516982A JP2011516982A JP2011527446A5 JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5 JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5
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- Prior art keywords
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- audio signal
- aliasing
- Prior art date
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- 238000000034 method Methods 0.000 claims description 10
- 230000005236 sound signal Effects 0.000 claims 25
- 230000015572 biosynthetic process Effects 0.000 claims 13
- 238000003786 synthesis reaction Methods 0.000 claims 13
- 238000006243 chemical reaction Methods 0.000 claims 6
- 230000001131 transforming effect Effects 0.000 claims 5
- 230000009466 transformation Effects 0.000 claims 3
- 230000007704 transition Effects 0.000 claims 3
- 230000008859 change Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000013144 data compression Methods 0.000 claims 2
- 230000008569 process Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 230000006837 decompression Effects 0.000 claims 1
- 238000013139 quantization Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7985208P | 2008-07-11 | 2008-07-11 | |
| US61/079,852 | 2008-07-11 | ||
| PCT/EP2009/004374 WO2010003532A1 (en) | 2008-07-11 | 2009-06-17 | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011527446A JP2011527446A (ja) | 2011-10-27 |
| JP2011527446A5 true JP2011527446A5 (enExample) | 2014-05-15 |
| JP5551693B2 JP5551693B2 (ja) | 2014-07-16 |
Family
ID=41058650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011516982A Active JP5551693B2 (ja) | 2008-07-11 | 2009-06-17 | エイリアシングスイッチスキームを用いてオーディオ信号を符号化／復号化するための装置および方法 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US8862480B2 (enExample) |
| EP (1) | EP2301020B1 (enExample) |
| JP (1) | JP5551693B2 (enExample) |
| KR (1) | KR101250309B1 (enExample) |
| CN (1) | CN102089812B (enExample) |
| AR (1) | AR072479A1 (enExample) |
| AU (1) | AU2009267518B2 (enExample) |
| BR (1) | BRPI0910783B1 (enExample) |
| CA (1) | CA2730355C (enExample) |
| CO (1) | CO6341672A2 (enExample) |
| ES (1) | ES2401487T3 (enExample) |
| MX (1) | MX2011000373A (enExample) |
| MY (1) | MY152252A (enExample) |
| PL (1) | PL2301020T3 (enExample) |
| RU (1) | RU2492530C2 (enExample) |
| TW (1) | TWI426503B (enExample) |
| WO (1) | WO2010003532A1 (enExample) |
| ZA (1) | ZA201009259B (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| FR2936898A1 (fr) * | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
| WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
| KR101649376B1 (ko) | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| 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 |
| WO2011013983A2 (en) * | 2009-07-27 | 2011-02-03 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| RU2591661C2 (ru) | 2009-10-08 | 2016-07-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Многорежимный декодировщик аудио сигнала, многорежимный кодировщик аудио сигналов, способы и компьютерные программы с использованием кодирования с линейным предсказанием на основе ограничения шума |
| PL2491556T3 (pl) * | 2009-10-20 | 2024-08-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder sygnału audio, odpowiadający mu sposób oraz program komputerowy |
| FR2956495B1 (fr) * | 2010-02-18 | 2021-08-06 | Snecma | Procede de numerisation d'un signal analogique par un convertisseur analogique-numerique de frequence de shannon determinee |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| CN102934161B (zh) | 2010-06-14 | 2015-08-26 | 松下电器产业株式会社 | 音频混合编码装置以及音频混合解码装置 |
| IL311020B2 (en) | 2010-07-02 | 2025-06-01 | Dolby Int Ab | Selective bass post filter |
| SG186950A1 (en) | 2010-07-08 | 2013-02-28 | Fraunhofer Ges Forschung | Coder using forward aliasing cancellation |
| WO2012048472A1 (en) | 2010-10-15 | 2012-04-19 | Huawei Technologies Co., Ltd. | Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer |
| BR112013020592B1 (pt) | 2011-02-14 | 2021-06-22 | Fraunhofer-Gellschaft Zur Fôrderung Der Angewandten Forschung E. V. | Codec de áudio utilizando síntese de ruído durante fases inativas |
| RU2580924C2 (ru) | 2011-02-14 | 2016-04-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Представление информационного сигнала с использованием преобразования с перекрытием |
| MX2013009306A (es) | 2011-02-14 | 2013-09-26 | Fraunhofer Ges Forschung | Aparato y metodo para codificar y decodificar una señal de audio utilizando una porcion alineada anticipada. |
| EP2676268B1 (en) | 2011-02-14 | 2014-12-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
| MY167776A (en) | 2011-02-14 | 2018-09-24 | Fraunhofer Ges Forschung | Noise generation in audio codecs |
| ES2535609T3 (es) | 2011-02-14 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio con estimación de ruido de fondo durante fases activas |
| ES2639646T3 (es) | 2011-02-14 | 2017-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
| 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 |
| BR112013020588B1 (pt) | 2011-02-14 | 2021-07-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparelho e método para codificação de uma parte de um sinal de áudio utilizando uma detecção transiente e um resultado de qualidade |
| WO2012110447A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
| EP2772914A4 (en) | 2011-10-28 | 2015-07-15 | Panasonic Corp | DECODER FOR HYBRID SOUND SIGNALS, COORDINATORS FOR HYBRID SOUND SIGNALS, DECODING PROCEDURE FOR SOUND SIGNALS AND CODING SIGNALING PROCESSES |
| US9489962B2 (en) * | 2012-05-11 | 2016-11-08 | Panasonic Corporation | Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method |
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| JP6133413B2 (ja) | 2012-06-14 | 2017-05-24 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオのためのなめらかな構成切り換え |
| KR102201713B1 (ko) | 2012-07-19 | 2021-01-12 | 돌비 인터네셔널 에이비 | 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 |
| 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 |
| 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 |
| IN2015MN01874A (enExample) | 2013-01-08 | 2015-08-28 | Dolby Int Ab | |
| EP2959481B1 (en) | 2013-02-20 | 2017-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an encoded audio or image signal or for decoding an encoded audio or image signal in the presence of transients using a multi overlap portion |
| 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 |
| CN106024008B (zh) | 2013-04-05 | 2020-01-14 | 杜比实验室特许公司 | 使用高级频谱延拓降低量化噪声的压扩装置和方法 |
| CN105556600B (zh) * | 2013-08-23 | 2019-11-26 | 弗劳恩霍夫应用研究促进协会 | 用于混迭误差信号来处理音频信号的装置及方法 |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| CN110097892B (zh) | 2014-06-03 | 2022-05-10 | 华为技术有限公司 | 一种语音频信号的处理方法和装置 |
| 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 |
| EP2988300A1 (en) | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
| 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 |
| CN107731238B (zh) * | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| US10475456B1 (en) * | 2018-06-04 | 2019-11-12 | Qualcomm Incorporated | Smart coding mode switching in audio rate adaptation |
| CN111819627B (zh) | 2018-07-02 | 2025-04-11 | 杜比实验室特许公司 | 用于对沉浸式音频信号进行编码及/或解码的方法及装置 |
| 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 |
| WO2020164753A1 (en) | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3912605B4 (de) | 1989-04-17 | 2008-09-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| WO1997029549A1 (en) | 1996-02-08 | 1997-08-14 | Matsushita Electric Industrial Co., Ltd. | Wide band audio signal encoder, wide band audio signal decoder, wide band audio signal encoder/decoder and wide band audio signal recording medium |
| ES2247741T3 (es) * | 1998-01-22 | 2006-03-01 | Deutsche Telekom Ag | Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio. |
| US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| US6226608B1 (en) * | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
| US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
| US7424434B2 (en) * | 2002-09-04 | 2008-09-09 | Microsoft Corporation | Unified lossy and lossless audio compression |
| KR100467617B1 (ko) * | 2002-10-30 | 2005-01-24 | 삼성전자주식회사 | 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치 |
| CN100471072C (zh) * | 2002-11-21 | 2009-03-18 | 日本电信电话株式会社 | 数字信号处理方法 |
| US7876966B2 (en) * | 2003-03-11 | 2011-01-25 | Spyder Navigations L.L.C. | Switching between coding schemes |
| TW594674B (en) | 2003-03-14 | 2004-06-21 | Mediatek Inc | Encoder and a encoding method capable of detecting audio signal transient |
| ATE355590T1 (de) | 2003-04-17 | 2006-03-15 | Koninkl Philips Electronics Nv | Audiosignalsynthese |
| FI118835B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
| CA2566372A1 (en) * | 2004-05-17 | 2005-11-24 | Nokia Corporation | Audio encoding with different coding models |
| US8423372B2 (en) | 2004-08-26 | 2013-04-16 | Sisvel International S.A. | Processing of encoded signals |
| US8326606B2 (en) * | 2004-10-26 | 2012-12-04 | Panasonic Corporation | Sound encoding device and sound encoding method |
| US7418394B2 (en) | 2005-04-28 | 2008-08-26 | Dolby Laboratories Licensing Corporation | Method and system for operating audio encoders utilizing data from overlapping audio segments |
| CN1862969B (zh) * | 2005-05-11 | 2010-06-09 | 尼禄股份公司 | 自适应块长、常数变换音频解码方法 |
| TWI271703B (en) * | 2005-07-22 | 2007-01-21 | Pixart Imaging Inc | Audio encoder and method thereof |
| US7610195B2 (en) * | 2006-06-01 | 2009-10-27 | Nokia Corporation | Decoding of predictively coded data using buffer adaptation |
| US7987089B2 (en) | 2006-07-31 | 2011-07-26 | Qualcomm Incorporated | Systems and methods for modifying a zero pad region of a windowed frame of an audio signal |
| DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| KR20080053739A (ko) * | 2006-12-11 | 2008-06-16 | 삼성전자주식회사 | 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법 |
| MX2009006201A (es) * | 2006-12-12 | 2009-06-22 | Fraunhofer Ges Forschung | Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal. |
| PL2311034T3 (pl) * | 2008-07-11 | 2016-04-29 | Fraunhofer Ges Forschung | Koder i dekoder audio do kodowania ramek próbkowanego sygnału audio |
| EP2304723B1 (en) * | 2008-07-11 | 2012-10-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and a method for decoding an encoded audio signal |
| ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
| EP2446539B1 (en) * | 2009-06-23 | 2018-04-11 | Voiceage Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
| CN102934161B (zh) * | 2010-06-14 | 2015-08-26 | 松下电器产业株式会社 | 音频混合编码装置以及音频混合解码装置 |
| SG186950A1 (en) * | 2010-07-08 | 2013-02-28 | Fraunhofer Ges Forschung | Coder using forward aliasing cancellation |
| WO2012048472A1 (en) * | 2010-10-15 | 2012-04-19 | Huawei Technologies Co., Ltd. | Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer |
-
2009
- 2009-06-17 EP EP09776763A patent/EP2301020B1/en active Active
- 2009-06-17 ES ES09776763T patent/ES2401487T3/es active Active
- 2009-06-17 PL PL09776763T patent/PL2301020T3/pl unknown
- 2009-06-17 BR BRPI0910783-5A patent/BRPI0910783B1/pt active IP Right Grant
- 2009-06-17 WO PCT/EP2009/004374 patent/WO2010003532A1/en not_active Ceased
- 2009-06-17 CA CA2730355A patent/CA2730355C/en active Active
- 2009-06-17 AU AU2009267518A patent/AU2009267518B2/en active Active
- 2009-06-17 JP JP2011516982A patent/JP5551693B2/ja active Active
- 2009-06-17 MX MX2011000373A patent/MX2011000373A/es active IP Right Grant
- 2009-06-17 KR KR1020117000636A patent/KR101250309B1/ko active Active
- 2009-06-17 RU RU2011102426/08A patent/RU2492530C2/ru active
- 2009-06-17 CN CN200980127114XA patent/CN102089812B/zh active Active
- 2009-06-17 MY MYPI20110039 patent/MY152252A/en unknown
- 2009-06-29 TW TW098121856A patent/TWI426503B/zh active
- 2009-07-07 AR ARP090102545A patent/AR072479A1/es active IP Right Grant
-
2010
- 2010-12-23 ZA ZA2010/09259A patent/ZA201009259B/en unknown
- 2010-12-29 CO CO10164069A patent/CO6341672A2/es active IP Right Grant
-
2011
- 2011-01-11 US US13/004,351 patent/US8862480B2/en active Active
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