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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- audio signal
- aliasing
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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 |
| 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 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| WO2011013980A2 (en) * | 2009-07-27 | 2011-02-03 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| BR112012007803B1 (pt) | 2009-10-08 | 2022-03-15 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Decodificador de sinal de áudio multimodal, codificador de sinal de áudio multimodal e métodos usando uma configuração de ruído com base em codificação de previsão linear |
| EP4571739A1 (en) * | 2009-10-20 | 2025-06-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| 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 |
| EP3079152B1 (en) | 2010-07-02 | 2018-06-06 | Dolby International AB | Audio decoding with selective post filtering |
| EP4398248B1 (en) | 2010-07-08 | 2025-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder using forward aliasing cancellation |
| CN103282958B (zh) | 2010-10-15 | 2016-03-30 | 华为技术有限公司 | 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器 |
| 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 |
| MX2013009303A (es) | 2011-02-14 | 2013-09-13 | Fraunhofer Ges Forschung | Codec de audio utilizando sintesis de ruido durante fases inactivas. |
| PL2676267T3 (pl) | 2011-02-14 | 2017-12-29 | Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V | Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio |
| 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 |
| 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 |
| SG192745A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Noise generation in audio codecs |
| 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 |
| 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 |
| 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 |
| 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. |
| US20140058737A1 (en) * | 2011-10-28 | 2014-02-27 | Panasonic Corporation | Hybrid sound signal decoder, hybrid sound signal encoder, sound signal decoding method, and sound signal encoding method |
| CN103548080B (zh) * | 2012-05-11 | 2017-03-08 | 松下电器产业株式会社 | 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法 |
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| EP2862168B1 (en) | 2012-06-14 | 2017-08-09 | Dolby International AB | Smooth configuration switching for multichannel audio |
| US9589571B2 (en) | 2012-07-19 | 2017-03-07 | Dolby Laboratories Licensing Corporation | Method and device for improving the rendering of multi-channel audio signals |
| 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 |
| CA3012134C (en) | 2013-01-08 | 2019-10-15 | Dolby International Ab | Model based prediction in a critically sampled filterbank |
| 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 |
| 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 |
| WO2014165543A1 (en) | 2013-04-05 | 2014-10-09 | Dolby Laboratories Licensing Corporation | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
| WO2015025052A1 (en) * | 2013-08-23 | 2015-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an audio signal using an aliasing error signal |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| CN105336339B (zh) | 2014-06-03 | 2019-05-03 | 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 |
| CA3091241A1 (en) | 2018-07-02 | 2020-01-09 | Dolby Laboratories Licensing Corporation | Methods and devices for generating or decoding a bitstream comprising immersive audio signals |
| 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 |
| WO2020164751A1 (en) * | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3943879B4 (de) | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| KR19990082402A (ko) | 1996-02-08 | 1999-11-25 | 모리시타 요이찌 | 광대역 오디오신호 부호장치, 광대역 오디오신호 복호장치, 광대역 오디오신호 부호 복호장치 및 광대역 오디오신호 기록매체 |
| 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 |
| US7145484B2 (en) * | 2002-11-21 | 2006-12-05 | Nippon Telegraph And Telephone Corporation | Digital signal processing method, processor thereof, program thereof, and recording medium containing the program |
| AU2003208517A1 (en) * | 2003-03-11 | 2004-09-30 | Nokia Corporation | 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 |
| ATE371926T1 (de) * | 2004-05-17 | 2007-09-15 | Nokia Corp | Audiocodierung mit verschiedenen codierungsmodellen |
| US8423372B2 (en) * | 2004-08-26 | 2013-04-16 | Sisvel International S.A. | Processing of encoded signals |
| EP1793372B1 (en) * | 2004-10-26 | 2011-12-14 | Panasonic Corporation | Speech encoding apparatus and speech 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 |
| 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 |
| BR122021009252B1 (pt) * | 2008-07-11 | 2022-03-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Codificador e decodificador de áudio para estruturas de codificação de sinais de áudio amostrados |
| PL2304723T3 (pl) * | 2008-07-11 | 2013-03-29 | Fraunhofer Ges Forschung | Urządzenie i sposób dekodowania zakodowanego sygnału audio |
| EP2146344B1 (en) * | 2008-07-17 | 2016-07-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding/decoding scheme having a switchable bypass |
| 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 |
| 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 |
| EP4398248B1 (en) * | 2010-07-08 | 2025-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder using forward aliasing cancellation |
| CN103282958B (zh) * | 2010-10-15 | 2016-03-30 | 华为技术有限公司 | 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器 |
-
2009
- 2009-06-17 EP EP09776763A patent/EP2301020B1/en active Active
- 2009-06-17 WO PCT/EP2009/004374 patent/WO2010003532A1/en not_active Ceased
- 2009-06-17 CN CN200980127114XA patent/CN102089812B/zh 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 ES ES09776763T patent/ES2401487T3/es active Active
- 2009-06-17 AU AU2009267518A patent/AU2009267518B2/en active Active
- 2009-06-17 MY MYPI20110039 patent/MY152252A/en unknown
- 2009-06-17 RU RU2011102426/08A patent/RU2492530C2/ru active
- 2009-06-17 CA CA2730355A patent/CA2730355C/en active Active
- 2009-06-17 JP JP2011516982A patent/JP5551693B2/ja active Active
- 2009-06-17 KR KR1020117000636A patent/KR101250309B1/ko active Active
- 2009-06-17 MX MX2011000373A patent/MX2011000373A/es active IP Right Grant
- 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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