IL140123A0 - Voice encoding device - Google Patents

Voice encoding device

Info

Publication number
IL140123A0
IL140123A0 IL14012300A IL14012300A IL140123A0 IL 140123 A0 IL140123 A0 IL 140123A0 IL 14012300 A IL14012300 A IL 14012300A IL 14012300 A IL14012300 A IL 14012300A IL 140123 A0 IL140123 A0 IL 140123A0
Authority
IL
Israel
Prior art keywords
encoding device
voice encoding
voice
encoding
Prior art date
Application number
IL14012300A
Other languages
English (en)
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of IL140123A0 publication Critical patent/IL140123A0/xx

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
    • G10L19/04—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
IL14012300A 1999-04-20 2000-04-14 Voice encoding device IL140123A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11112013A JP2000308167A (ja) 1999-04-20 1999-04-20 音声符号化装置
PCT/JP2000/002464 WO2000064055A1 (fr) 1999-04-20 2000-04-14 Dispositif de codage de signaux vocaux

Publications (1)

Publication Number Publication Date
IL140123A0 true IL140123A0 (en) 2002-02-10

Family

ID=14575797

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14012300A IL140123A0 (en) 1999-04-20 2000-04-14 Voice encoding device

Country Status (5)

Country Link
US (1) US6484139B2 (ja)
EP (1) EP1091495A4 (ja)
JP (1) JP2000308167A (ja)
IL (1) IL140123A0 (ja)
WO (1) WO2000064055A1 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332644B1 (ko) * 1999-11-18 2002-04-17 서평원 음성데이터 및 신호의 다중화/역다중화 장치
CN1432261A (zh) * 2001-03-28 2003-07-23 三菱电机株式会社 数字电路多路复用装置
US7031916B2 (en) * 2001-06-01 2006-04-18 Texas Instruments Incorporated Method for converging a G.729 Annex B compliant voice activity detection circuit
US7310596B2 (en) * 2002-02-04 2007-12-18 Fujitsu Limited Method and system for embedding and extracting data from encoded voice code
US20030216909A1 (en) * 2002-05-14 2003-11-20 Davis Wallace K. Voice activity detection
US7970606B2 (en) 2002-11-13 2011-06-28 Digital Voice Systems, Inc. Interoperable vocoder
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US8447592B2 (en) * 2005-09-13 2013-05-21 Nuance Communications, Inc. Methods and apparatus for formant-based voice systems
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US10373630B2 (en) * 2017-03-31 2019-08-06 Intel Corporation Systems and methods for energy efficient and low power distributed automatic speech recognition on wearable devices
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853352B2 (ja) 1979-10-03 1983-11-29 日本電信電話株式会社 音声合成器
US5751903A (en) * 1994-12-19 1998-05-12 Hughes Electronics Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
JP3343002B2 (ja) * 1995-09-08 2002-11-11 松下電器産業株式会社 音声帯域情報伝送装置
FI955266A (fi) * 1995-11-02 1997-05-03 Nokia Telecommunications Oy Menetelmä ja laitteisto viestien välittämiseksi tietoliikennejärjestelmässä
GB2312360B (en) * 1996-04-12 2001-01-24 Olympus Optical Co Voice signal coding apparatus
JPH10124097A (ja) * 1996-10-21 1998-05-15 Olympus Optical Co Ltd 音声記録再生装置
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
JP3252782B2 (ja) * 1998-01-13 2002-02-04 日本電気株式会社 モデム信号対応音声符号化復号化装置

Also Published As

Publication number Publication date
EP1091495A4 (en) 2005-08-10
WO2000064055A1 (fr) 2000-10-26
JP2000308167A (ja) 2000-11-02
EP1091495A1 (en) 2001-04-11
US6484139B2 (en) 2002-11-19
US20010007973A1 (en) 2001-07-12

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Legal Events

Date Code Title Description
FF Patent granted
MM9K Patent not in force due to non-payment of renewal fees