ATE457512T1 - Audiocodierung mit verschiedenen codierungsrahmenlängen - Google Patents
Audiocodierung mit verschiedenen codierungsrahmenlängenInfo
- Publication number
- ATE457512T1 ATE457512T1 AT04733394T AT04733394T ATE457512T1 AT E457512 T1 ATE457512 T1 AT E457512T1 AT 04733394 T AT04733394 T AT 04733394T AT 04733394 T AT04733394 T AT 04733394T AT E457512 T1 ATE457512 T1 AT E457512T1
- Authority
- AT
- Austria
- Prior art keywords
- coding
- coding frame
- frame length
- audio signal
- different
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 3
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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/001585 WO2005112003A1 (en) | 2004-05-17 | 2004-05-17 | Audio encoding with different coding frame lengths |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE457512T1 true ATE457512T1 (de) | 2010-02-15 |
Family
ID=34957451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04733394T ATE457512T1 (de) | 2004-05-17 | 2004-05-17 | Audiocodierung mit verschiedenen codierungsrahmenlängen |
Country Status (13)
Country | Link |
---|---|
US (1) | US7860709B2 (de) |
EP (1) | EP1747554B1 (de) |
JP (1) | JP2007538282A (de) |
CN (1) | CN1954364B (de) |
AT (1) | ATE457512T1 (de) |
AU (1) | AU2004319556A1 (de) |
BR (1) | BRPI0418838A (de) |
CA (1) | CA2566368A1 (de) |
DE (1) | DE602004025517D1 (de) |
ES (1) | ES2338117T3 (de) |
MX (1) | MXPA06012617A (de) |
TW (1) | TW200609902A (de) |
WO (1) | WO2005112003A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
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CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
US20110057818A1 (en) * | 2006-01-18 | 2011-03-10 | Lg Electronics, Inc. | Apparatus and Method for Encoding and Decoding Signal |
ES2396072T3 (es) | 2006-07-07 | 2013-02-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato para combinar múltiples fuentes de audio paramétricamente codificadas |
US7966175B2 (en) | 2006-10-18 | 2011-06-21 | Polycom, Inc. | Fast lattice vector quantization |
US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
WO2008072671A1 (ja) * | 2006-12-13 | 2008-06-19 | Panasonic Corporation | 音声復号化装置およびパワ調整方法 |
US9653088B2 (en) * | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
WO2009038115A1 (ja) * | 2007-09-21 | 2009-03-26 | Nec Corporation | 音声符号化装置、音声符号化方法及びプログラム |
JPWO2009038170A1 (ja) * | 2007-09-21 | 2011-01-06 | 日本電気株式会社 | 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム |
WO2009051404A2 (en) * | 2007-10-15 | 2009-04-23 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
US8527282B2 (en) * | 2007-11-21 | 2013-09-03 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
EP2077550B8 (de) | 2008-01-04 | 2012-03-14 | Dolby International AB | Audiokodierer und -dekodierer |
EP2144230A1 (de) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen |
MX2011000366A (es) * | 2008-07-11 | 2011-04-28 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar muestras de audio. |
KR20100007738A (ko) * | 2008-07-14 | 2010-01-22 | 한국전자통신연구원 | 음성/오디오 통합 신호의 부호화/복호화 장치 |
JP4834179B2 (ja) * | 2008-12-09 | 2011-12-14 | 日本電信電話株式会社 | 符号化方法、その装置、プログラム及び記録媒体 |
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 |
JP4977157B2 (ja) | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
PL2489041T3 (pl) * | 2009-10-15 | 2020-11-02 | Voiceage Corporation | Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdac |
CA2958360C (en) | 2010-07-02 | 2017-11-14 | Dolby International Ab | Audio decoder |
TR201904717T4 (tr) * | 2010-12-17 | 2019-05-21 | Mitsubishi Electric Corp | Hareketli görüntü kodlama cihazı, hareketi görüntü kod çözme cihazı, hareketli görüntü kodlama yöntem ve hareketli görüntü kod çözme yöntemi. |
JP5969513B2 (ja) | 2011-02-14 | 2016-08-17 | 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 | 不活性相の間のノイズ合成を用いるオーディオコーデック |
WO2012110478A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Information signal representation using lapped transform |
WO2012110415A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
EP2676270B1 (de) | 2011-02-14 | 2017-02-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodierung eines teils eines audiosignals anhand einer transientendetektion und eines qualitätsergebnisses |
KR101551046B1 (ko) | 2011-02-14 | 2015-09-07 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법 |
PT2676267T (pt) | 2011-02-14 | 2017-09-26 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
BR112013020587B1 (pt) | 2011-02-14 | 2021-03-09 | Fraunhofer-Gesellschaft Zur Forderung De Angewandten Forschung E.V. | esquema de codificação com base em previsão linear utilizando modelagem de ruído de domínio espectral |
EP2676265B1 (de) | 2011-02-14 | 2019-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zum codieren eines audiosignals unter verwendung eines ausgerichteten look-ahead-teils |
KR101748760B1 (ko) | 2011-03-18 | 2017-06-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치 |
WO2013081663A1 (en) * | 2011-12-02 | 2013-06-06 | Intel Corporation | Methods, systems, and apparatuses to enable short frames |
EP3301677B1 (de) | 2011-12-21 | 2019-08-28 | Huawei Technologies Co., Ltd. | Detektion und codierung von sehr kurzer tonhöhe |
US9111531B2 (en) * | 2012-01-13 | 2015-08-18 | Qualcomm Incorporated | Multiple coding mode signal classification |
CN103426441B (zh) | 2012-05-18 | 2016-03-02 | 华为技术有限公司 | 检测基音周期的正确性的方法和装置 |
RU2656681C1 (ru) * | 2012-11-13 | 2018-06-06 | Самсунг Электроникс Ко., Лтд. | Способ и устройство для определения режима кодирования, способ и устройство для кодирования аудиосигналов и способ, и устройство для декодирования аудиосигналов |
EP2951820B1 (de) | 2013-01-29 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zum auswählen eines ersten oder zweiten audiokodieralgorithmus |
ES2626809T3 (es) * | 2013-01-29 | 2017-07-26 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Concepto para compensación de conmutación del modo de codificación |
EP2830058A1 (de) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung |
EP2980794A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor |
EP2980795A1 (de) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierung und -decodierung mit Nutzung eines Frequenzdomänenprozessors, eines Zeitdomänenprozessors und eines Kreuzprozessors zur Initialisierung des Zeitdomänenprozessors |
CN105632503B (zh) * | 2014-10-28 | 2019-09-03 | 南宁富桂精密工业有限公司 | 信息隐藏方法及系统 |
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DE69028176T2 (de) * | 1989-11-14 | 1997-01-23 | Nec Corp | Adaptive Transformationskodierung durch optimale Blocklängenselektion in Abhängigkeit von Unterschieden zwischen aufeinanderfolgenden Blöcken |
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JPH06180948A (ja) * | 1992-12-11 | 1994-06-28 | Sony Corp | ディジタル信号処理装置又は方法、及び記録媒体 |
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US5913191A (en) * | 1997-10-17 | 1999-06-15 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
DE69926821T2 (de) * | 1998-01-22 | 2007-12-06 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen |
US5963897A (en) * | 1998-02-27 | 1999-10-05 | Lernout & Hauspie Speech Products N.V. | Apparatus and method for hybrid excited linear prediction speech encoding |
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EP1199711A1 (de) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite |
US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
US7460993B2 (en) * | 2001-12-14 | 2008-12-02 | Microsoft Corporation | Adaptive window-size selection in transform coding |
KR100880480B1 (ko) * | 2002-02-21 | 2009-01-28 | 엘지전자 주식회사 | 디지털 오디오 신호의 실시간 음악/음성 식별 방법 및시스템 |
DE60214599T2 (de) * | 2002-03-12 | 2007-09-13 | Nokia Corp. | Skalierbare audiokodierung |
EP1383110A1 (de) * | 2002-07-17 | 2004-01-21 | STMicroelectronics N.V. | Verfahren und Vorrichtung für Breitbandsprachkodierung, insbesondere mit einer verbesserten Qualität der stimmhaften Rahmen |
KR100467617B1 (ko) * | 2002-10-30 | 2005-01-24 | 삼성전자주식회사 | 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치 |
US20050004793A1 (en) * | 2003-07-03 | 2005-01-06 | Pasi Ojala | Signal adaptation for higher band coding in a codec utilizing band split coding |
US7325023B2 (en) * | 2003-09-29 | 2008-01-29 | Sony Corporation | Method of making a window type decision based on MDCT data in audio encoding |
US7809579B2 (en) * | 2003-12-19 | 2010-10-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Fidelity-optimized variable frame length encoding |
GB0408856D0 (en) * | 2004-04-21 | 2004-05-26 | Nokia Corp | Signal encoding |
-
2004
- 2004-05-17 JP JP2007517467A patent/JP2007538282A/ja not_active Withdrawn
- 2004-05-17 MX MXPA06012617A patent/MXPA06012617A/es not_active Application Discontinuation
- 2004-05-17 ES ES04733394T patent/ES2338117T3/es not_active Expired - Lifetime
- 2004-05-17 WO PCT/IB2004/001585 patent/WO2005112003A1/en active Application Filing
- 2004-05-17 CA CA002566368A patent/CA2566368A1/en not_active Abandoned
- 2004-05-17 CN CN200480043056.XA patent/CN1954364B/zh not_active Expired - Lifetime
- 2004-05-17 DE DE602004025517T patent/DE602004025517D1/de not_active Expired - Lifetime
- 2004-05-17 EP EP04733394A patent/EP1747554B1/de not_active Expired - Lifetime
- 2004-05-17 BR BRPI0418838-1A patent/BRPI0418838A/pt not_active IP Right Cessation
- 2004-05-17 AT AT04733394T patent/ATE457512T1/de not_active IP Right Cessation
- 2004-05-17 AU AU2004319556A patent/AU2004319556A1/en not_active Abandoned
-
2005
- 2005-05-13 US US11/129,662 patent/US7860709B2/en active Active
- 2005-05-13 TW TW094115504A patent/TW200609902A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
BRPI0418838A (pt) | 2007-11-13 |
EP1747554B1 (de) | 2010-02-10 |
CA2566368A1 (en) | 2005-11-24 |
DE602004025517D1 (de) | 2010-03-25 |
TW200609902A (en) | 2006-03-16 |
US7860709B2 (en) | 2010-12-28 |
MXPA06012617A (es) | 2006-12-15 |
EP1747554A1 (de) | 2007-01-31 |
CN1954364A (zh) | 2007-04-25 |
AU2004319556A1 (en) | 2005-11-24 |
ES2338117T3 (es) | 2010-05-04 |
CN1954364B (zh) | 2011-06-01 |
US20050267742A1 (en) | 2005-12-01 |
JP2007538282A (ja) | 2007-12-27 |
WO2005112003A1 (en) | 2005-11-24 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |