JP5627843B2 - 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 - Google Patents
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 Download PDFInfo
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- JP5627843B2 JP5627843B2 JP2008154011A JP2008154011A JP5627843B2 JP 5627843 B2 JP5627843 B2 JP 5627843B2 JP 2008154011 A JP2008154011 A JP 2008154011A JP 2008154011 A JP2008154011 A JP 2008154011A JP 5627843 B2 JP5627843 B2 JP 5627843B2
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- 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- 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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| EP07110289.1 | 2007-06-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008310327A JP2008310327A (ja) | 2008-12-25 |
| JP2008310327A5 JP2008310327A5 (https=) | 2014-02-20 |
| JP5627843B2 true JP5627843B2 (ja) | 2014-11-19 |
Family
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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 (https=) |
| EP (2) | EP2015293A1 (https=) |
| JP (1) | JP5627843B2 (https=) |
| KR (1) | KR101445396B1 (https=) |
| CN (1) | CN101325060B (https=) |
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 |
| EP3288028B1 (en) * | 2007-08-27 | 2019-07-03 | Telefonaktiebolaget LM Ericsson (publ) | Low-complexity spectral analysis/synthesis using selectable time resolution |
| PL3002750T3 (pl) * | 2008-07-11 | 2018-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder i dekoder audio do kodowania i dekodowania próbek audio |
| EP3937167B1 (en) | 2008-07-11 | 2023-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
| WO2010032992A2 (ko) * | 2008-09-18 | 2010-03-25 | 한국전자통신연구원 | Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치 |
| MX2011007925A (es) * | 2009-01-28 | 2011-08-17 | Dten Forschung E V Fraunhofer Ges Zur Foeerderung Der Angewan | Codificador de audio, decodificador de audio, información de audio codificada, métodos para la codificación y decodificación de una señal de audio y programa de computadora. |
| 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 |
| HUE071544T2 (hu) | 2009-10-21 | 2025-09-28 | Dolby Int Ab | Túlmintavételezés kombinált transzponáló szûrõbankban |
| US9390066B2 (en) * | 2009-11-12 | 2016-07-12 | Digital Harmonic Llc | Precision measurement of waveforms using deconvolution and windowing |
| US9279839B2 (en) * | 2009-11-12 | 2016-03-08 | Digital Harmonic Llc | Domain identification and separation for precision measurement of waveforms |
| 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 |
| RU2586848C2 (ru) | 2010-03-10 | 2016-06-10 | Долби Интернейшнл АБ | Декодер звукового сигнала, кодирующее устройство звукового сигнала, способы и компьютерная программа, использующие зависящее от частоты выборки кодирование контура деформации времени |
| 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 |
| EP3079153B1 (en) | 2010-07-02 | 2018-08-01 | 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 |
| ES2659001T3 (es) * | 2013-01-29 | 2018-03-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificadores de audio, decodificadores de audio, sistemas, métodos y programas informáticos que utilizan una resolución temporal aumentada en la proximidad temporal de inicios o finales de fricativos o africados |
| PL2959481T3 (pl) | 2013-02-20 | 2017-10-31 | Fraunhofer Ges Forschung | Urządzenie i sposób generowania zakodowanego sygnału audio lub dekodowania zakodowanego sygnału audio przy użyciu części wielozakładkowej |
| CA2908625C (en) | 2013-04-05 | 2017-10-03 | Dolby International Ab | Audio encoder and decoder |
| 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 |
| BR112016007515B1 (pt) * | 2013-10-18 | 2021-11-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Método de codificação de segmento de sinal de áudio, codificador de segmento de sinal de áudio, e, terminal de usuário. |
| 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 |
| EP3000110B1 (en) | 2014-07-28 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selection of one of a first encoding algorithm and a second encoding algorithm using harmonics reduction |
| 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 |
| KR102632136B1 (ko) * | 2017-04-28 | 2024-01-31 | 디티에스, 인코포레이티드 | 오디오 코더 윈도우 사이즈 및 시간-주파수 변환 |
| 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 |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| 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 |
| 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 |
| 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 |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483883A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| 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 |
| CN121924259A (zh) * | 2019-08-12 | 2026-04-24 | 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 |
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| CN1064773C (zh) * | 1993-06-30 | 2001-04-18 | 索尼公司 | 数字信号的编码方法和解码方法 |
| 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 |
| US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
| US6115689A (en) * | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
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| 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 |
| KR100651731B1 (ko) * | 2003-12-26 | 2006-12-01 | 한국전자통신연구원 | 가변 프레임 음성 부호화/복호화 장치 및 그 방법 |
| US20050143979A1 (en) * | 2003-12-26 | 2005-06-30 | Lee Mi S. | Variable-frame speech coding/decoding apparatus and method |
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| 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 KR KR1020080055986A patent/KR101445396B1/ko not_active Expired - Fee Related
- 2008-06-13 CN CN2008101113001A patent/CN101325060B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8095359B2 (en) | 2012-01-10 |
| KR20080110542A (ko) | 2008-12-18 |
| CN101325060B (zh) | 2012-10-31 |
| EP2015293A1 (en) | 2009-01-14 |
| US20090012797A1 (en) | 2009-01-08 |
| CN101325060A (zh) | 2008-12-17 |
| KR101445396B1 (ko) | 2014-09-26 |
| EP2003643A1 (en) | 2008-12-17 |
| EP2003643B1 (en) | 2014-02-12 |
| JP2008310327A (ja) | 2008-12-25 |
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