DE69917181D1 - Verfahren zur Bestimmung und zur Anpassung der Blockgrösse für Audiotransformationskodierung - Google Patents
Verfahren zur Bestimmung und zur Anpassung der Blockgrösse für AudiotransformationskodierungInfo
- Publication number
- DE69917181D1 DE69917181D1 DE69917181T DE69917181T DE69917181D1 DE 69917181 D1 DE69917181 D1 DE 69917181D1 DE 69917181 T DE69917181 T DE 69917181T DE 69917181 T DE69917181 T DE 69917181T DE 69917181 D1 DE69917181 D1 DE 69917181D1
- Authority
- DE
- Germany
- Prior art keywords
- adapting
- determining
- block size
- transformation coding
- audio transformation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000009466 transformation Effects 0.000 title 1
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30831298 | 1998-10-29 | ||
JP10308312A JP2000134105A (ja) | 1998-10-29 | 1998-10-29 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69917181D1 true DE69917181D1 (de) | 2004-06-17 |
DE69917181T2 DE69917181T2 (de) | 2005-06-23 |
Family
ID=17979545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69917181T Expired - Lifetime DE69917181T2 (de) | 1998-10-29 | 1999-10-27 | Verfahren zur Bestimmung und zur Anpassung der Blockgrösse für Audiotransformationskodierung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6424936B1 (de) |
EP (1) | EP0998051B1 (de) |
JP (1) | JP2000134105A (de) |
CN (1) | CN1132319C (de) |
DE (1) | DE69917181T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6639878B1 (en) * | 2000-03-21 | 2003-10-28 | Microsoft Corporation | Method and apparatus for characterizing and improving optical drive performance |
US6735561B1 (en) * | 2000-03-29 | 2004-05-11 | At&T Corp. | Effective deployment of temporal noise shaping (TNS) filters |
KR100821499B1 (ko) | 2000-12-14 | 2008-04-11 | 소니 가부시끼 가이샤 | 정보 추출 장치 |
JP2002196792A (ja) * | 2000-12-25 | 2002-07-12 | Matsushita Electric Ind Co Ltd | 音声符号化方式、音声符号化方法およびそれを用いる音声符号化装置、記録媒体、ならびに音楽配信システム |
US7930170B2 (en) * | 2001-01-11 | 2011-04-19 | Sasken Communication Technologies Limited | Computationally efficient audio coder |
JP3888097B2 (ja) * | 2001-08-02 | 2007-02-28 | 松下電器産業株式会社 | ピッチ周期探索範囲設定装置、ピッチ周期探索装置、復号化適応音源ベクトル生成装置、音声符号化装置、音声復号化装置、音声信号送信装置、音声信号受信装置、移動局装置、及び基地局装置 |
EP1394772A1 (de) * | 2002-08-28 | 2004-03-03 | Deutsche Thomson-Brandt Gmbh | Signalierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom |
EP1398760B1 (de) * | 2002-08-28 | 2005-04-13 | Thomson Licensing S.A. | Signalisierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom |
US6965859B2 (en) * | 2003-02-28 | 2005-11-15 | Xvd Corporation | Method and apparatus for audio compression |
US7199954B2 (en) * | 2003-07-15 | 2007-04-03 | Hitachi Global Storage Technologies Netherlands, B.V. | Method, apparatus and program storage device for determining sector block sizes using existing controller signals |
US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
MXPA06012617A (es) * | 2004-05-17 | 2006-12-15 | Nokia Corp | Codificacion de audio con diferentes longitudes de cuadro de codificacion. |
US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
JP4639966B2 (ja) * | 2005-05-31 | 2011-02-23 | ヤマハ株式会社 | オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路 |
US7590523B2 (en) * | 2006-03-20 | 2009-09-15 | Mindspeed Technologies, Inc. | Speech post-processing using MDCT coefficients |
JP4658853B2 (ja) * | 2006-04-13 | 2011-03-23 | 日本電信電話株式会社 | 適応ブロック長符号化装置、その方法、プログラム及び記録媒体 |
JP4658852B2 (ja) * | 2006-04-13 | 2011-03-23 | 日本電信電話株式会社 | 適応ブロック長符号化装置、その方法、プログラム及び記録媒体 |
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 |
KR20080053739A (ko) * | 2006-12-11 | 2008-06-16 | 삼성전자주식회사 | 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법 |
ES2748843T3 (es) * | 2007-08-27 | 2020-03-18 | Ericsson Telefon Ab L M | Análisis/síntesis espectral de baja complejidad utilizando resolución temporal seleccionable |
US8630848B2 (en) | 2008-05-30 | 2014-01-14 | Digital Rise Technology Co., Ltd. | Audio signal transient detection |
CN101388213B (zh) * | 2008-07-03 | 2012-02-22 | 天津大学 | 一种预回声控制方法 |
KR101301245B1 (ko) * | 2008-12-22 | 2013-09-10 | 한국전자통신연구원 | 스펙트럼 계수의 서브대역 할당 방법 및 장치 |
US9245529B2 (en) * | 2009-06-18 | 2016-01-26 | Texas Instruments Incorporated | Adaptive encoding of a digital signal with one or more missing values |
US9093120B2 (en) * | 2011-02-10 | 2015-07-28 | Yahoo! Inc. | Audio fingerprint extraction by scaling in time and resampling |
US9717098B2 (en) | 2013-05-20 | 2017-07-25 | Qualcomm Incorporated | Collision avoidance scheme for wireless communications over unlicensed spectrum |
EP2830058A1 (de) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung |
CN105225671B (zh) | 2014-06-26 | 2016-10-26 | 华为技术有限公司 | 编解码方法、装置及*** |
GB2539875B (en) * | 2015-06-22 | 2017-09-20 | Time Machine Capital Ltd | Music Context System, Audio Track Structure and method of Real-Time Synchronization of Musical Content |
CN106126164B (zh) * | 2016-06-16 | 2019-05-17 | Oppo广东移动通信有限公司 | 一种音效处理方法及终端设备 |
US10354667B2 (en) | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5297236A (en) | 1989-01-27 | 1994-03-22 | Dolby Laboratories Licensing Corporation | Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder |
JP2913731B2 (ja) | 1990-03-07 | 1999-06-28 | ソニー株式会社 | ディジタルデータの高能率符号化方法 |
US5502789A (en) | 1990-03-07 | 1996-03-26 | Sony Corporation | Apparatus for encoding digital data with reduction of perceptible noise |
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 |
US5632005A (en) * | 1991-01-08 | 1997-05-20 | Ray Milton Dolby | Encoder/decoder for multidimensional sound fields |
AU653582B2 (en) * | 1991-01-08 | 1994-10-06 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
JP3141450B2 (ja) | 1991-09-30 | 2001-03-05 | ソニー株式会社 | オーディオ信号処理方法 |
JP3088580B2 (ja) * | 1993-02-19 | 2000-09-18 | 松下電器産業株式会社 | 変換符号化装置のブロックサイズ決定法 |
-
1998
- 1998-10-29 JP JP10308312A patent/JP2000134105A/ja active Pending
-
1999
- 1999-10-27 DE DE69917181T patent/DE69917181T2/de not_active Expired - Lifetime
- 1999-10-27 US US09/427,592 patent/US6424936B1/en not_active Expired - Fee Related
- 1999-10-27 EP EP99121399A patent/EP0998051B1/de not_active Expired - Lifetime
- 1999-10-29 CN CN99122303.9A patent/CN1132319C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1253418A (zh) | 2000-05-17 |
DE69917181T2 (de) | 2005-06-23 |
EP0998051A2 (de) | 2000-05-03 |
US6424936B1 (en) | 2002-07-23 |
EP0998051B1 (de) | 2004-05-12 |
JP2000134105A (ja) | 2000-05-12 |
CN1132319C (zh) | 2003-12-24 |
EP0998051A3 (de) | 2002-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69917181D1 (de) | Verfahren zur Bestimmung und zur Anpassung der Blockgrösse für Audiotransformationskodierung | |
DE69933400D1 (de) | Vorrichtung und Verfahren zur prädiktiven bewegungskompensierten Kodierung | |
DE69806645D1 (de) | Verfahren und vorrichtung zur gleichzeitigen sprachkodierung und geräuschunterdrückung | |
DE69924431D1 (de) | Vorrichtung und Verfahren zur dynamischen Bitverteilung für Audiokodierung | |
DE69938372D1 (de) | Verfahren und Vorrichtung zur Videokodierung | |
DE69901273T2 (de) | Verfahren zur Codierung und Quantisierung von Audiosignalen | |
DE69921977D1 (de) | Verfahren, test-vorrichtungen und sätze zur bestimmung der fruchtbarkeit | |
DE69901525D1 (de) | Verfahren und vorrichtung zur videokodierung | |
DE60142441D1 (de) | Verfahren und system zur überwachung der inhaltsbetriebsbedingung | |
DE69727895D1 (de) | Verfahren und Vorrichtung zur Sprachkodierung | |
DE69938759D1 (de) | Verfahren und Vorrichtung zur Bestimmung des optimalen Bewegungsablaufes für Gegenstände | |
DE69731937D1 (de) | Verfahren und vorrichtung zur datencodierung | |
DE60045595D1 (de) | Verfahren zur Bestimmung des Gasgehalts | |
DE69832358D1 (de) | Verfahren zur Sprachkodierung und -dekodierung | |
DE60032847D1 (de) | Verfahren und Vorrichtung für verbesserte Videokodierung | |
DE69522187D1 (de) | Verfahren und vorrichtung zur kodierung, dekodierung und kodierung-dekodierung | |
DE69929069D1 (de) | Verfahren und vorrchtung zur celp kodierung und dekodierung | |
DE69937833D1 (de) | Verfahren und vorrichtung zur skalierbaren formkodierung | |
DE69731313D1 (de) | Vorrichtung und verfahren zur tastaturkodierung | |
DE69527078D1 (de) | Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer | |
DE69736654D1 (de) | Vorrichtung und Verfahren zur Prädiktionskodierung und -dekodierung | |
ATE366764T1 (de) | Egioreguläres copolymer und verfahren zur herstellung | |
DE69921066D1 (de) | Verfahren und Vorrichtung zur Sprachkodierung | |
DE69523032T2 (de) | Vorrichtung und Verfahren zur Kodierung der Sprachgrundfrequenz | |
DE69808339D1 (de) | Verfahren zur sprachkodierung bei hintergrundrauschen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |