TW200609902A - Audio encoding with different coding frame lengths - Google Patents
Audio encoding with different coding frame lengthsInfo
- Publication number
- TW200609902A TW200609902A TW094115504A TW94115504A TW200609902A TW 200609902 A TW200609902 A TW 200609902A TW 094115504 A TW094115504 A TW 094115504A TW 94115504 A TW94115504 A TW 94115504A TW 200609902 A TW200609902 A TW 200609902A
- Authority
- TW
- Taiwan
- Prior art keywords
- coding frame
- frame lengths
- audio signal
- different coding
- audio encoding
- 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 |
---|---|
TW200609902A true TW200609902A (en) | 2006-03-16 |
Family
ID=34957451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094115504A TW200609902A (en) | 2004-05-17 | 2005-05-13 | Audio encoding with different coding frame lengths |
Country Status (13)
Country | Link |
---|---|
US (1) | US7860709B2 (zh) |
EP (1) | EP1747554B1 (zh) |
JP (1) | JP2007538282A (zh) |
CN (1) | CN1954364B (zh) |
AT (1) | ATE457512T1 (zh) |
AU (1) | AU2004319556A1 (zh) |
BR (1) | BRPI0418838A (zh) |
CA (1) | CA2566368A1 (zh) |
DE (1) | DE602004025517D1 (zh) |
ES (1) | ES2338117T3 (zh) |
MX (1) | MXPA06012617A (zh) |
TW (1) | TW200609902A (zh) |
WO (1) | WO2005112003A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
US7966175B2 (en) | 2006-10-18 | 2011-06-21 | Polycom, Inc. | Fast lattice vector quantization |
TWI566590B (zh) * | 2010-12-17 | 2017-01-11 | 三菱電機股份有限公司 | 動畫像編碼裝置、動畫像解碼裝置、動畫像編碼方法、動畫像解碼方法及記錄媒體 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
KR20080101873A (ko) * | 2006-01-18 | 2008-11-21 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
ES2380059T3 (es) | 2006-07-07 | 2012-05-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para combinar múltiples fuentes de audio codificadas paramétricamente |
EP2096631A4 (en) * | 2006-12-13 | 2012-07-25 | Panasonic Corp | TONE DECODING DEVICE AND POWER ADJUSTMENT METHOD |
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 |
WO2009038170A1 (ja) * | 2007-09-21 | 2009-03-26 | Nec Corporation | 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 |
US8566107B2 (en) * | 2007-10-15 | 2013-10-22 | Lg Electronics Inc. | Multi-mode method and an apparatus for processing a signal |
WO2009066960A1 (en) * | 2007-11-21 | 2009-05-28 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
ATE518224T1 (de) * | 2008-01-04 | 2011-08-15 | Dolby Int Ab | Audiokodierer und -dekodierer |
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 |
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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 |
EP3693964B1 (en) * | 2009-10-15 | 2021-07-28 | VoiceAge Corporation | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
CA3025108C (en) | 2010-07-02 | 2020-10-27 | Dolby International Ab | Audio decoding with selective post filtering |
CA2827266C (en) | 2011-02-14 | 2017-02-28 | 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 |
JP5712288B2 (ja) | 2011-02-14 | 2015-05-07 | 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 | 重複変換を使用した情報信号表記 |
ES2529025T3 (es) | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
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 |
EP4243017A3 (en) | 2011-02-14 | 2023-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method decoding an audio signal using an aligned look-ahead portion |
PL2661745T3 (pl) | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
CA2903681C (en) | 2011-02-14 | 2017-03-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
MX2013009346A (es) | 2011-02-14 | 2013-10-01 | Fraunhofer Ges Forschung | Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral. |
MX2013009345A (es) | 2011-02-14 | 2013-10-01 | Fraunhofer Ges Forschung | Codificacion y decodificacion de posiciones de los pulsos de las pistas de una señal de audio. |
CN103703511B (zh) * | 2011-03-18 | 2017-08-22 | 弗劳恩霍夫应用研究促进协会 | 定位在表示音频内容的比特流的帧中的帧元素 |
US9380492B2 (en) | 2011-12-02 | 2016-06-28 | Intel Corporation | Methods, systems and apparatuses to enable short frames |
CN104115220B (zh) | 2011-12-21 | 2017-06-06 | 华为技术有限公司 | 非常短的基音周期检测和编码 |
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 |
KR102561265B1 (ko) | 2012-11-13 | 2023-07-28 | 삼성전자주식회사 | 부호화 모드 결정방법 및 장치, 오디오 부호화방법 및 장치와, 오디오 복호화방법 및 장치 |
EP2951820B1 (en) | 2013-01-29 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
EP2951821B1 (en) * | 2013-01-29 | 2017-03-01 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for coding mode switching compensation |
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 |
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 |
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 |
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 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235623A (en) * | 1989-11-14 | 1993-08-10 | Nec Corporation | Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
US5327518A (en) * | 1991-08-22 | 1994-07-05 | Georgia Tech Research Corporation | Audio analysis/synthesis system |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
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 |
US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
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 |
ATE302991T1 (de) * | 1998-01-22 | 2005-09-15 | 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 |
US6449590B1 (en) * | 1998-08-24 | 2002-09-10 | Conexant Systems, Inc. | Speech encoder using warping in long term preprocessing |
JP2000134105A (ja) * | 1998-10-29 | 2000-05-12 | Matsushita Electric Ind Co Ltd | オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法 |
US6633841B1 (en) * | 1999-07-29 | 2003-10-14 | Mindspeed Technologies, Inc. | Voice activity detection speech coding to accommodate music signals |
US6604070B1 (en) * | 1999-09-22 | 2003-08-05 | Conexant Systems, Inc. | System of encoding and decoding speech signals |
US7315815B1 (en) * | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
EP1199711A1 (en) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Encoding of audio signal using bandwidth expansion |
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 |
CN1266673C (zh) * | 2002-03-12 | 2006-07-26 | 诺基亚有限公司 | 可伸缩音频编码的有效改进 |
EP1383110A1 (fr) * | 2002-07-17 | 2004-01-21 | STMicroelectronics N.V. | Procédé et dispositif d'encodage de la parole à bande élargie, permettant en particulier une amélioration de la qualité des trames de parole voisée |
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 AU AU2004319556A patent/AU2004319556A1/en not_active Abandoned
- 2004-05-17 CA CA002566368A patent/CA2566368A1/en not_active Abandoned
- 2004-05-17 EP EP04733394A patent/EP1747554B1/en not_active Expired - Lifetime
- 2004-05-17 AT AT04733394T patent/ATE457512T1/de not_active IP Right Cessation
- 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 CN CN200480043056.XA patent/CN1954364B/zh not_active Expired - Lifetime
- 2004-05-17 WO PCT/IB2004/001585 patent/WO2005112003A1/en active Application Filing
- 2004-05-17 DE DE602004025517T patent/DE602004025517D1/de not_active Expired - Lifetime
- 2004-05-17 BR BRPI0418838-1A patent/BRPI0418838A/pt not_active IP Right Cessation
-
2005
- 2005-05-13 TW TW094115504A patent/TW200609902A/zh unknown
- 2005-05-13 US US11/129,662 patent/US7860709B2/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
US7966175B2 (en) | 2006-10-18 | 2011-06-21 | Polycom, Inc. | Fast lattice vector quantization |
TWI566590B (zh) * | 2010-12-17 | 2017-01-11 | 三菱電機股份有限公司 | 動畫像編碼裝置、動畫像解碼裝置、動畫像編碼方法、動畫像解碼方法及記錄媒體 |
TWI718084B (zh) * | 2010-12-17 | 2021-02-01 | 日商三菱電機股份有限公司 | 畫像編碼裝置、動畫像解碼裝置及動畫像編碼資料 |
TWI728944B (zh) * | 2010-12-17 | 2021-05-21 | 日商三菱電機股份有限公司 | 動畫像編碼裝置、動畫像解碼裝置及記錄媒體 |
TWI740801B (zh) * | 2010-12-17 | 2021-09-21 | 日商三菱電機股份有限公司 | 畫像編碼裝置、動畫像解碼裝置及記錄媒體 |
Also Published As
Publication number | Publication date |
---|---|
ATE457512T1 (de) | 2010-02-15 |
US20050267742A1 (en) | 2005-12-01 |
CA2566368A1 (en) | 2005-11-24 |
AU2004319556A1 (en) | 2005-11-24 |
EP1747554A1 (en) | 2007-01-31 |
MXPA06012617A (es) | 2006-12-15 |
EP1747554B1 (en) | 2010-02-10 |
CN1954364B (zh) | 2011-06-01 |
JP2007538282A (ja) | 2007-12-27 |
BRPI0418838A (pt) | 2007-11-13 |
WO2005112003A1 (en) | 2005-11-24 |
DE602004025517D1 (de) | 2010-03-25 |
CN1954364A (zh) | 2007-04-25 |
ES2338117T3 (es) | 2010-05-04 |
US7860709B2 (en) | 2010-12-28 |
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