JP2008310327A5 - - Google Patents
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- JP2008310327A5 JP2008310327A5 JP2008154011A JP2008154011A JP2008310327A5 JP 2008310327 A5 JP2008310327 A5 JP 2008310327A5 JP 2008154011 A JP2008154011 A JP 2008154011A JP 2008154011 A JP2008154011 A JP 2008154011A JP 2008310327 A5 JP2008310327 A5 JP 2008310327A5
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- JP
- Japan
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- mdct
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- 238000006243 chemical reaction Methods 0.000 claims 12
- 238000000034 method Methods 0.000 claims 10
- 230000003595 spectral effect Effects 0.000 claims 10
- 230000009466 transformation Effects 0.000 claims 10
- 238000013139 quantization Methods 0.000 claims 9
- 230000007704 transition Effects 0.000 claims 6
- 238000000844 transformation Methods 0.000 claims 5
- 230000003044 adaptive effect Effects 0.000 claims 4
- 230000002123 temporal effect Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07110289.1 | 2007-06-14 | ||
| EP07110289A EP2015293A1 (en) | 2007-06-14 | 2007-06-14 | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008310327A JP2008310327A (ja) | 2008-12-25 |
| JP2008310327A5 true JP2008310327A5 (cg-RX-API-DMAC10.html) | 2014-02-20 |
| JP5627843B2 JP5627843B2 (ja) | 2014-11-19 |
Family
ID=38541993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008154011A Expired - Fee Related JP5627843B2 (ja) | 2007-06-14 | 2008-06-12 | スペクトル領域において適応切り替え式時間分解を使用して音声信号を符号化及び復号化する方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8095359B2 (cg-RX-API-DMAC10.html) |
| EP (2) | EP2015293A1 (cg-RX-API-DMAC10.html) |
| JP (1) | JP5627843B2 (cg-RX-API-DMAC10.html) |
| KR (1) | KR101445396B1 (cg-RX-API-DMAC10.html) |
| CN (1) | CN101325060B (cg-RX-API-DMAC10.html) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2894759A1 (fr) * | 2005-12-12 | 2007-06-15 | Nextamp Sa | Procede et dispositif de tatouage sur flux |
| PT3550564T (pt) * | 2007-08-27 | 2020-08-18 | Ericsson Telefon Ab L M | Análise/síntese espectral de baixa complexidade utilizando resolução temporal selecionável |
| KR101325335B1 (ko) * | 2008-07-11 | 2013-11-08 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 오디오 샘플 인코드 및 디코드용 오디오 인코더 및 디코더 |
| JP5606433B2 (ja) | 2008-07-11 | 2014-10-15 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | オーディオエンコーダ及びオーディオデコーダ |
| WO2010032992A2 (ko) | 2008-09-18 | 2010-03-25 | 한국전자통신연구원 | Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치 |
| WO2010086373A2 (en) * | 2009-01-28 | 2010-08-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer program |
| CN101527139B (zh) * | 2009-02-16 | 2012-03-28 | 成都九洲电子信息系统股份有限公司 | 一种音频编码解码方法及其装置 |
| CN102265338A (zh) * | 2009-03-24 | 2011-11-30 | 华为技术有限公司 | 信号延时切换的方法和装置 |
| US20110087494A1 (en) * | 2009-10-09 | 2011-04-14 | Samsung Electronics Co., Ltd. | Apparatus and method of encoding audio signal by switching frequency domain transformation scheme and time domain transformation scheme |
| ES3051142T3 (en) | 2009-10-21 | 2025-12-26 | Dolby Int Ab | Oversampling in a combined transposer filter bank |
| US9279839B2 (en) * | 2009-11-12 | 2016-03-08 | Digital Harmonic Llc | Domain identification and separation for precision measurement of waveforms |
| US9390066B2 (en) * | 2009-11-12 | 2016-07-12 | Digital Harmonic Llc | Precision measurement of waveforms using deconvolution and windowing |
| CN102081926B (zh) * | 2009-11-27 | 2013-06-05 | 中兴通讯股份有限公司 | 格型矢量量化音频编解码方法和系统 |
| BR112012022741B1 (pt) | 2010-03-10 | 2021-09-21 | Fraunhofer-Gesellschaft Zur Fõrderung Der Angewandten Forschung E.V. | Decodificador de sinal de áudio, codificador de sinal de áudio e métodos utilizando uma codificação de contorno da deformação no tempo dependente da taxa de amostragem |
| KR101790373B1 (ko) | 2010-06-14 | 2017-10-25 | 파나소닉 주식회사 | 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치 |
| CA3025108C (en) | 2010-07-02 | 2020-10-27 | Dolby International Ab | Audio decoding with selective post filtering |
| WO2012070866A2 (ko) * | 2010-11-24 | 2012-05-31 | 엘지전자 주식회사 | 스피치 시그널 부호화 방법 및 복호화 방법 |
| KR20150032614A (ko) * | 2012-06-04 | 2015-03-27 | 삼성전자주식회사 | 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기 |
| EP4336501A3 (en) * | 2013-01-29 | 2024-05-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, method and computer program using an increased temporal resolution in temporal proximity of onsets or offsets of fricatives or affricates |
| 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 |
| KR102383819B1 (ko) | 2013-04-05 | 2022-04-08 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 디코더 |
| EP2804176A1 (en) * | 2013-05-13 | 2014-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio object separation from mixture signal using object-specific time/frequency resolutions |
| DE112013007199B4 (de) * | 2013-06-26 | 2017-08-10 | University Of Ottawa | Verfahren, Steuervorrichtung und Rechnervorrichtung zum mehrfachauflösungsbasierten Schätzen einer spektralen Leistungsdichte |
| EP2830058A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| MX395108B (es) | 2013-10-18 | 2025-03-24 | Ericsson Telefon Ab L M | Codificacion y decodificacion de posiciones de picos espectrales. |
| CN105451842B (zh) | 2014-07-28 | 2019-06-11 | 弗劳恩霍夫应用研究促进协会 | 选择第一编码演算法和第二编码演算法之一的装置与方法 |
| 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 |
| 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 |
| EP2980798A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Harmonicity-dependent controlling of a harmonic filter tool |
| CN104538038B (zh) * | 2014-12-11 | 2017-10-17 | 清华大学 | 具有鲁棒性的音频水印嵌入和提取方法及装置 |
| 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 |
| CN105280190B (zh) * | 2015-09-16 | 2018-11-23 | 深圳广晟信源技术有限公司 | 带宽扩展编码和解码方法以及装置 |
| US10504530B2 (en) | 2015-11-03 | 2019-12-10 | Dolby Laboratories Licensing Corporation | Switching between transforms |
| 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 |
| EP3382701A1 (en) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using prediction based shaping |
| CN110870006B (zh) * | 2017-04-28 | 2023-09-22 | Dts公司 | 对音频信号进行编码的方法以及音频编码器 |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| 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 |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| 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 |
| CN114223197B (zh) * | 2019-08-12 | 2026-03-10 | 韩华视觉株式会社 | 用于高级图像划分和图像编码/解码的方法和装置 |
| EP4602596A1 (en) * | 2022-10-20 | 2025-08-20 | Google LLC | Non-windowed dct-based audio coding using advanced quantization |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995001633A1 (en) * | 1993-06-30 | 1995-01-12 | Sony Corporation | Method and apparatus for encoding digital signals, method and apparatus for decoding the coded signals, and medium for recording the coded signals |
| DE69427222T2 (de) * | 1993-10-08 | 2001-08-30 | Sony Corp., Tokio/Tokyo | Digitaler signalprozessor, verfahren zum verarbeiten digitaler signale und medium zum aufnehmen von signalen |
| JPH08162964A (ja) * | 1994-12-08 | 1996-06-21 | Sony Corp | 情報圧縮装置及び方法、情報伸張装置及び方法、並びに記録媒体 |
| JP3418305B2 (ja) * | 1996-03-19 | 2003-06-23 | ルーセント テクノロジーズ インコーポレーテッド | オーディオ信号を符号化する方法および装置および知覚的に符号化されたオーディオ信号を処理する装置 |
| US6115689A (en) * | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
| US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
| US6253165B1 (en) * | 1998-06-30 | 2001-06-26 | Microsoft Corporation | System and method for modeling probability distribution functions of transform coefficients of encoded signal |
| JP3806770B2 (ja) * | 2000-03-17 | 2006-08-09 | 松下電器産業株式会社 | 窓処理装置および窓処理方法 |
| DE10217297A1 (de) * | 2002-04-18 | 2003-11-06 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten |
| TW594674B (en) * | 2003-03-14 | 2004-06-21 | Mediatek Inc | Encoder and a encoding method capable of detecting audio signal transient |
| DE10328777A1 (de) * | 2003-06-25 | 2005-01-27 | Coding Technologies Ab | Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals |
| CN1460992A (zh) * | 2003-07-01 | 2003-12-10 | 北京阜国数字技术有限公司 | 用于感知音频编/解码的低延时、自适应的多分辨率滤波器组 |
| US20050143979A1 (en) * | 2003-12-26 | 2005-06-30 | Lee Mi S. | Variable-frame speech coding/decoding apparatus and method |
| KR100651731B1 (ko) * | 2003-12-26 | 2006-12-01 | 한국전자통신연구원 | 가변 프레임 음성 부호화/복호화 장치 및 그 방법 |
| US7516064B2 (en) * | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
| DE102004021403A1 (de) * | 2004-04-30 | 2005-11-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalverarbeitung durch Modifikation in der Spektral-/Modulationsspektralbereichsdarstellung |
| DE102004021404B4 (de) * | 2004-04-30 | 2007-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Wasserzeicheneinbettung |
| US7630902B2 (en) * | 2004-09-17 | 2009-12-08 | Digital Rise Technology Co., Ltd. | Apparatus and methods for digital audio coding using codebook application ranges |
| US7546240B2 (en) * | 2005-07-15 | 2009-06-09 | Microsoft Corporation | Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition |
| US7516074B2 (en) * | 2005-09-01 | 2009-04-07 | Auditude, Inc. | Extraction and matching of characteristic fingerprints from audio signals |
| JPWO2007088853A1 (ja) * | 2006-01-31 | 2009-06-25 | パナソニック株式会社 | 音声符号化装置、音声復号装置、音声符号化システム、音声符号化方法及び音声復号方法 |
-
2007
- 2007-06-14 EP EP07110289A patent/EP2015293A1/en not_active Withdrawn
-
2008
- 2008-06-02 EP EP08157415.4A patent/EP2003643B1/en not_active Ceased
- 2008-06-04 US US12/156,748 patent/US8095359B2/en not_active Expired - Fee Related
- 2008-06-12 JP JP2008154011A patent/JP5627843B2/ja not_active Expired - Fee Related
- 2008-06-13 CN CN2008101113001A patent/CN101325060B/zh not_active Expired - Fee Related
- 2008-06-13 KR KR1020080055986A patent/KR101445396B1/ko not_active Expired - Fee Related
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