JP2001502073A5 - - Google Patents

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Publication number
JP2001502073A5
JP2001502073A5 JP1998517604A JP51760498A JP2001502073A5 JP 2001502073 A5 JP2001502073 A5 JP 2001502073A5 JP 1998517604 A JP1998517604 A JP 1998517604A JP 51760498 A JP51760498 A JP 51760498A JP 2001502073 A5 JP2001502073 A5 JP 2001502073A5
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JP
Japan
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.)
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Application number
JP1998517604A
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English (en)
Japanese (ja)
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JP4237826B2 (ja
JP2001502073A (ja
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Publication date
Priority claimed from US08/726,959 external-priority patent/US5924064A/en
Application filed filed Critical
Publication of JP2001502073A publication Critical patent/JP2001502073A/ja
Publication of JP2001502073A5 publication Critical patent/JP2001502073A5/ja
Application granted granted Critical
Publication of JP4237826B2 publication Critical patent/JP4237826B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP51760498A 1996-10-07 1997-10-06 複数のサブバンドビットアロケーションを用いた可変長オーディオ信号符号化 Expired - Fee Related JP4237826B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/726,959 US5924064A (en) 1996-10-07 1996-10-07 Variable length coding using a plurality of region bit allocation patterns
US08/726,959 1996-10-07
PCT/US1997/017770 WO1998015945A1 (en) 1996-10-07 1997-10-06 Variable length audio coding using a plurality of subband bit allocation patterns

Publications (3)

Publication Number Publication Date
JP2001502073A JP2001502073A (ja) 2001-02-13
JP2001502073A5 true JP2001502073A5 (enExample) 2005-06-16
JP4237826B2 JP4237826B2 (ja) 2009-03-11

Family

ID=24920743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51760498A Expired - Fee Related JP4237826B2 (ja) 1996-10-07 1997-10-06 複数のサブバンドビットアロケーションを用いた可変長オーディオ信号符号化

Country Status (6)

Country Link
US (1) US5924064A (enExample)
EP (1) EP0968497B1 (enExample)
JP (1) JP4237826B2 (enExample)
CA (1) CA2267764A1 (enExample)
DE (1) DE69705642T2 (enExample)
WO (1) WO1998015945A1 (enExample)

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US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
CN1703911A (zh) * 2002-01-22 2005-11-30 皇家飞利浦电子股份有限公司 降低已压缩多媒体的比特率
US7099387B2 (en) * 2002-03-22 2006-08-29 Realnetorks, Inc. Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US20030236674A1 (en) * 2002-06-19 2003-12-25 Henry Raymond C. Methods and systems for compression of stored audio
CN100511425C (zh) * 2003-11-14 2009-07-08 义隆电子股份有限公司 改善adpcm语音编码步长调节的方法及系统
DE102004009955B3 (de) * 2004-03-01 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln einer Quantisierer-Schrittweite
US7536302B2 (en) * 2004-07-13 2009-05-19 Industrial Technology Research Institute Method, process and device for coding audio signals
DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm
US7720236B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Updating modeling information based on offline calibration experiments
US7903137B2 (en) * 2004-10-15 2011-03-08 Lifesize Communications, Inc. Videoconferencing echo cancellers
US7760887B2 (en) * 2004-10-15 2010-07-20 Lifesize Communications, Inc. Updating modeling information based on online data gathering
US7970151B2 (en) * 2004-10-15 2011-06-28 Lifesize Communications, Inc. Hybrid beamforming
US8116500B2 (en) * 2004-10-15 2012-02-14 Lifesize Communications, Inc. Microphone orientation and size in a speakerphone
US7826624B2 (en) * 2004-10-15 2010-11-02 Lifesize Communications, Inc. Speakerphone self calibration and beam forming
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
US20060132595A1 (en) * 2004-10-15 2006-06-22 Kenoyer Michael L Speakerphone supporting video and audio features
US7593539B2 (en) 2005-04-29 2009-09-22 Lifesize Communications, Inc. Microphone and speaker arrangement in speakerphone
US7970150B2 (en) * 2005-04-29 2011-06-28 Lifesize Communications, Inc. Tracking talkers using virtual broadside scan and directed beams
US7991167B2 (en) * 2005-04-29 2011-08-02 Lifesize Communications, Inc. Forming beams with nulls directed at noise sources
WO2007096551A2 (fr) * 2006-02-24 2007-08-30 France Telecom Procede de codage binaire d'indices de quantification d'une enveloppe d'un signal, procede de decodage d'une enveloppe d'un signal et modules de codage et decodage correspondants
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
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
ES3032483T3 (en) 2008-07-11 2025-07-21 Fraunhofer Ges Forschung Method for decoding an audio signal and computer program
US8386266B2 (en) * 2010-07-01 2013-02-26 Polycom, Inc. Full-band scalable audio codec
US8428959B2 (en) * 2010-01-29 2013-04-23 Polycom, Inc. Audio packet loss concealment by transform interpolation
RU2464649C1 (ru) 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
JP5969614B2 (ja) 2011-09-28 2016-08-17 エルジー エレクトロニクス インコーポレイティド 音声信号符号化方法及び音声信号復号方法
US9111524B2 (en) * 2011-12-20 2015-08-18 Dolby International Ab Seamless playback of successive multimedia files
CN105103226B (zh) 2013-01-29 2019-04-16 弗劳恩霍夫应用研究促进协会 低复杂度音调自适应音频信号量化
WO2018126496A1 (en) 2017-01-09 2018-07-12 Qualcomm Incorporated Bit allocation for encoding and decoding
US10523369B2 (en) 2017-01-09 2019-12-31 Qualcomm Incorporated Mutual-information based recursive polar code construction

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US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
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JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
DE69420848T2 (de) * 1993-07-07 2000-07-20 Picturetel Corp., Peabody Sprachkodierer/-dekodierer mit fester bitrate
US5664057A (en) * 1993-07-07 1997-09-02 Picturetel Corporation Fixed bit rate speech encoder/decoder
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JP2982637B2 (ja) * 1995-01-17 1999-11-29 日本電気株式会社 スペクトルパラメータを用いた音声信号伝送システムおよびそれに用いられる音声パラメータ符号化装置および復号化装置

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