DE69702261D1 - Sprachkodierung - Google Patents

Sprachkodierung

Info

Publication number
DE69702261D1
DE69702261D1 DE69702261T DE69702261T DE69702261D1 DE 69702261 D1 DE69702261 D1 DE 69702261D1 DE 69702261 T DE69702261 T DE 69702261T DE 69702261 T DE69702261 T DE 69702261T DE 69702261 D1 DE69702261 D1 DE 69702261D1
Authority
DE
Germany
Prior art keywords
language coding
coding
language
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
Application number
DE69702261T
Other languages
English (en)
Other versions
DE69702261T2 (de
Inventor
Bun Choi
Xiaoqin Sun
Michael Cheetham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE69702261D1 publication Critical patent/DE69702261D1/de
Application granted granted Critical
Publication of DE69702261T2 publication Critical patent/DE69702261T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

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)
DE69702261T 1996-07-30 1997-07-28 Sprachkodierung Expired - Lifetime DE69702261T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96305576 1996-07-30
PCT/GB1997/002037 WO1998005029A1 (en) 1996-07-30 1997-07-28 Speech coding

Publications (2)

Publication Number Publication Date
DE69702261D1 true DE69702261D1 (de) 2000-07-13
DE69702261T2 DE69702261T2 (de) 2001-01-25

Family

ID=8225033

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702261T Expired - Lifetime DE69702261T2 (de) 1996-07-30 1997-07-28 Sprachkodierung

Country Status (6)

Country Link
US (1) US6219637B1 (de)
EP (1) EP0917709B1 (de)
JP (1) JP2000515992A (de)
AU (1) AU3702497A (de)
DE (1) DE69702261T2 (de)
WO (1) WO1998005029A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3644263B2 (ja) * 1998-07-31 2005-04-27 ヤマハ株式会社 波形形成装置及び方法
EP0987680B1 (de) * 1998-09-17 2008-07-16 BRITISH TELECOMMUNICATIONS public limited company Audiosignalverarbeitung
DE69939086D1 (de) 1998-09-17 2008-08-28 British Telecomm Audiosignalverarbeitung
US6397175B1 (en) * 1999-07-19 2002-05-28 Qualcomm Incorporated Method and apparatus for subsampling phase spectrum information
US7039581B1 (en) * 1999-09-22 2006-05-02 Texas Instruments Incorporated Hybrid speed coding and system
US20030048129A1 (en) * 2001-09-07 2003-03-13 Arthur Sheiman Time varying filter with zero and/or pole migration
US7512535B2 (en) * 2001-10-03 2009-03-31 Broadcom Corporation Adaptive postfiltering methods and systems for decoding speech
CN1666256A (zh) * 2002-07-08 2005-09-07 皇家飞利浦电子股份有限公司 正弦波音频编码
WO2004051627A1 (en) * 2002-11-29 2004-06-17 Koninklijke Philips Electronics N.V. Audio coding
GB2398981B (en) * 2003-02-27 2005-09-14 Motorola Inc Speech communication unit and method for synthesising speech therein
JP4988757B2 (ja) * 2005-12-02 2012-08-01 クゥアルコム・インコーポレイテッド 周波数ドメイン波形アラインメントのためのシステム、方法、および装置
JP6011039B2 (ja) * 2011-06-07 2016-10-19 ヤマハ株式会社 音声合成装置および音声合成方法
KR101475894B1 (ko) * 2013-06-21 2014-12-23 서울대학교산학협력단 장애 음성 개선 방법 및 장치
US9858941B2 (en) 2013-11-22 2018-01-02 Qualcomm Incorporated Selective phase compensation in high band coding of an audio signal
JP6637082B2 (ja) * 2015-12-10 2020-01-29 ▲華▼侃如 調波モデルと音源−声道特徴分解に基づく音声分析合成方法
CN113114160B (zh) * 2021-05-25 2024-04-02 东南大学 一种基于时变滤波器的线性调频信号降噪方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475227A (en) * 1982-04-14 1984-10-02 At&T Bell Laboratories Adaptive prediction
JPS6031325A (ja) * 1983-07-29 1985-02-18 Nec Corp 予測停止ａｄｐｃｍ符号化方式およびその回路
EP0243561B1 (de) * 1986-04-30 1991-04-10 International Business Machines Corporation Verfahren und Einrichtung zur Tonerkennung
US4771465A (en) 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
JP3528258B2 (ja) 1994-08-23 2004-05-17 ソニー株式会社 符号化音声信号の復号化方法及び装置
GB9417185D0 (en) * 1994-08-25 1994-10-12 Adaptive Audio Ltd Sounds recording and reproduction systems

Also Published As

Publication number Publication date
WO1998005029A1 (en) 1998-02-05
EP0917709B1 (de) 2000-06-07
US6219637B1 (en) 2001-04-17
DE69702261T2 (de) 2001-01-25
JP2000515992A (ja) 2000-11-28
EP0917709A1 (de) 1999-05-26
AU3702497A (en) 1998-02-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition