DE69815650D1 - Sprachkodierer - Google Patents

Sprachkodierer

Info

Publication number
DE69815650D1
DE69815650D1 DE69815650T DE69815650T DE69815650D1 DE 69815650 D1 DE69815650 D1 DE 69815650D1 DE 69815650 T DE69815650 T DE 69815650T DE 69815650 T DE69815650 T DE 69815650T DE 69815650 D1 DE69815650 D1 DE 69815650D1
Authority
DE
Germany
Prior art keywords
speech
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
DE69815650T
Other languages
English (en)
Other versions
DE69815650T2 (de
Inventor
John Clark Hardwick
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.)
Digital Voice Systems Inc
Original Assignee
Digital Voice Systems Inc
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 Digital Voice Systems Inc filed Critical Digital Voice Systems Inc
Application granted granted Critical
Publication of DE69815650D1 publication Critical patent/DE69815650D1/de
Publication of DE69815650T2 publication Critical patent/DE69815650T2/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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
DE69815650T 1997-12-04 1998-11-26 Sprachkodierer Expired - Lifetime DE69815650T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/985,262 US6199037B1 (en) 1997-12-04 1997-12-04 Joint quantization of speech subframe voicing metrics and fundamental frequencies
US985262 1997-12-04

Publications (2)

Publication Number Publication Date
DE69815650D1 true DE69815650D1 (de) 2003-07-24
DE69815650T2 DE69815650T2 (de) 2004-04-29

Family

ID=25531324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69815650T Expired - Lifetime DE69815650T2 (de) 1997-12-04 1998-11-26 Sprachkodierer

Country Status (5)

Country Link
US (1) US6199037B1 (de)
EP (1) EP0927988B1 (de)
JP (1) JP4101957B2 (de)
CA (1) CA2254567C (de)
DE (1) DE69815650T2 (de)

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US6377916B1 (en) * 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
US6876953B1 (en) * 2000-04-20 2005-04-05 The United States Of America As Represented By The Secretary Of The Navy Narrowband signal processor
KR100375222B1 (ko) * 2000-07-19 2003-03-08 엘지전자 주식회사 스케일러블 칼라 히스토그램 엔코딩 방법
US7243295B2 (en) * 2001-06-12 2007-07-10 Intel Corporation Low complexity channel decoders
US20030135374A1 (en) * 2002-01-16 2003-07-17 Hardwick John C. Speech synthesizer
US7970606B2 (en) 2002-11-13 2011-06-28 Digital Voice Systems, Inc. Interoperable vocoder
AU2003297732A1 (en) * 2002-12-06 2004-06-30 Attensity Corporation Systems and methods for providing a mixed data integration service
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US6915256B2 (en) * 2003-02-07 2005-07-05 Motorola, Inc. Pitch quantization for distributed speech recognition
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US7272557B2 (en) * 2003-05-01 2007-09-18 Microsoft Corporation Method and apparatus for quantizing model parameters
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
US7522730B2 (en) * 2004-04-14 2009-04-21 M/A-Com, Inc. Universal microphone for secure radio communication
KR101037931B1 (ko) * 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
WO2007058465A1 (en) * 2005-11-15 2007-05-24 Samsung Electronics Co., Ltd. Methods and apparatuses to quantize and de-quantize linear predictive coding coefficient
US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
US8036886B2 (en) 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
JP5197774B2 (ja) * 2011-01-18 2013-05-15 株式会社東芝 学習装置、判定装置、学習方法、判定方法、学習プログラム及び判定プログラム
CN102117616A (zh) * 2011-03-04 2011-07-06 北京航空航天大学 一种ambe-2000声码器无格式码流的实时编解码纠错方法
CN102664012B (zh) * 2012-04-11 2014-02-19 成都林海电子有限责任公司 卫星移动通信终端及终端中xc5vlx50t与ambe2000信息交互的方法
CN103680519A (zh) * 2012-09-07 2014-03-26 成都林海电子有限责任公司 卫星移动终端语音编解码器全双工语音输出功能测试方法
CN103684574A (zh) * 2012-09-07 2014-03-26 成都林海电子有限责任公司 卫星移动通信终端的语音编解码器自闭环性能测试方法
KR101475894B1 (ko) * 2013-06-21 2014-12-23 서울대학교산학협력단 장애 음성 개선 방법 및 장치
US11270714B2 (en) * 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech

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Also Published As

Publication number Publication date
JPH11249699A (ja) 1999-09-17
US6199037B1 (en) 2001-03-06
EP0927988A2 (de) 1999-07-07
DE69815650T2 (de) 2004-04-29
JP4101957B2 (ja) 2008-06-18
CA2254567A1 (en) 1999-06-04
EP0927988B1 (de) 2003-06-18
CA2254567C (en) 2010-11-16
EP0927988A3 (de) 2001-04-11

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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: DIGITAL VOICE SYSTEMS, INC., WESTFORD, MASS., US