DE3485666D1 - Sprachangepasstes praediktives kodierungssystem. - Google Patents

Sprachangepasstes praediktives kodierungssystem.

Info

Publication number
DE3485666D1
DE3485666D1 DE8484101761T DE3485666T DE3485666D1 DE 3485666 D1 DE3485666 D1 DE 3485666D1 DE 8484101761 T DE8484101761 T DE 8484101761T DE 3485666 T DE3485666 T DE 3485666T DE 3485666 D1 DE3485666 D1 DE 3485666D1
Authority
DE
Germany
Prior art keywords
language
encoding system
predictive encoding
adjusted predictive
adjusted
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
DE8484101761T
Other languages
English (en)
Inventor
Toshifumi Sato
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3485666D1 publication Critical patent/DE3485666D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE8484101761T 1983-02-21 1984-02-20 Sprachangepasstes praediktives kodierungssystem. Expired - Lifetime DE3485666D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58026295A JPS59153346A (ja) 1983-02-21 1983-02-21 音声符号化・復号化装置

Publications (1)

Publication Number Publication Date
DE3485666D1 true DE3485666D1 (de) 1992-05-27

Family

ID=12189329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484101761T Expired - Lifetime DE3485666D1 (de) 1983-02-21 1984-02-20 Sprachangepasstes praediktives kodierungssystem.

Country Status (6)

Country Link
US (1) US4710960A (de)
EP (1) EP0116975B1 (de)
JP (1) JPS59153346A (de)
AU (1) AU579310B2 (de)
CA (1) CA1207906A (de)
DE (1) DE3485666D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182529A (en) * 1985-10-30 1987-05-13 Philips Electronic Associated Digital communication of analogue signals
FR2621436B1 (fr) * 1987-10-02 1990-01-19 Matra Communication Procede et installation de transmission numerique de parole entre mobiles
JPH01177227A (ja) * 1988-01-05 1989-07-13 Toshiba Corp 音声コーデック
US5031218A (en) * 1988-03-30 1991-07-09 International Business Machines Corporation Redundant message processing and storage
US5148486A (en) * 1988-03-30 1992-09-15 Kabushiki Kaisha Toshiba Voice decoding device
WO1991005333A1 (en) * 1989-10-06 1991-04-18 Motorola, Inc. Error detection/correction scheme for vocoders
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
JP3167385B2 (ja) * 1991-10-28 2001-05-21 日本電信電話株式会社 音声信号伝送方法
JPH05199124A (ja) * 1992-01-21 1993-08-06 Nec Corp 音声通信方式
US5717723A (en) * 1994-08-17 1998-02-10 Roke Manor Research Limited Apparatus for use in equipment providing a digital radio link between a fixed radio unit and a mobile radio unit
US7788092B2 (en) * 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
JP4449108B2 (ja) * 1999-08-05 2010-04-14 パナソニック株式会社 音声復号装置
US6584438B1 (en) 2000-04-24 2003-06-24 Qualcomm Incorporated Frame erasure compensation method in a variable rate speech coder
US7283068B2 (en) * 2002-07-08 2007-10-16 Stmicroelectronics Pvt. Ltd. Binary decoders in electronic integrated circuits
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
MY149811A (en) * 2004-08-30 2013-10-14 Qualcomm Inc Method and apparatus for an adaptive de-jitter buffer
US8085678B2 (en) * 2004-10-13 2011-12-27 Qualcomm Incorporated Media (voice) playback (de-jitter) buffer adjustments based on air interface
US8355907B2 (en) * 2005-03-11 2013-01-15 Qualcomm Incorporated Method and apparatus for phase matching frames in vocoders
US8155965B2 (en) * 2005-03-11 2012-04-10 Qualcomm Incorporated Time warping frames inside the vocoder by modifying the residual
US7617435B2 (en) * 2006-02-23 2009-11-10 Yuwei Zhang Hard-decision iteration decoding based on an error-correcting code with a low undetectable error probability
US8301440B2 (en) * 2008-05-09 2012-10-30 Broadcom Corporation Bit error concealment for audio coding systems
US20100006527A1 (en) * 2008-07-10 2010-01-14 Interstate Container Reading Llc Collapsible merchandising display
US9842598B2 (en) 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
BR112016001757B1 (pt) * 2013-08-05 2021-11-03 Interactive Intelligence, Inc Métodos para reduzir complexidade computacional de participantes em um cenário de comunicação em conferência de voz sobre ip
JP6418982B2 (ja) * 2015-03-04 2018-11-07 関西熱化学株式会社 石炭乾留試験炉、石炭乾留試験装置、及び石炭乾留試験方法
CN105448306B (zh) * 2015-11-05 2019-02-19 湖南工业大学 语音环路检测方法
US20220351447A1 (en) * 2019-09-24 2022-11-03 XVI Inc. Animation production system
JP7115698B2 (ja) * 2019-09-24 2022-08-09 株式会社エクシヴィ アニメーション制作システム
JPWO2021059369A1 (ja) * 2019-09-24 2021-10-07 株式会社エクシヴィ アニメーション制作システム
WO2021059362A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム
WO2021059370A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム
WO2021059366A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム
US20220351438A1 (en) * 2019-09-24 2022-11-03 XVI Inc. Animation production system
WO2021059364A1 (ja) * 2019-09-24 2021-04-01 株式会社エクシヴィ アニメーション制作システム
US20220351449A1 (en) * 2019-09-24 2022-11-03 XVI Inc. Animation production system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631520A (en) * 1968-08-19 1971-12-28 Bell Telephone Labor Inc Predictive coding of speech signals
US3688039A (en) * 1969-08-05 1972-08-29 Nippon Electric Co Digital signal reception system
US4301329A (en) * 1978-01-09 1981-11-17 Nippon Electric Co., Ltd. Speech analysis and synthesis apparatus
US4419657A (en) * 1978-02-24 1983-12-06 Federal Screw Works Speech digitization system
US4220819A (en) * 1979-03-30 1980-09-02 Bell Telephone Laboratories, Incorporated Residual excited predictive speech coding system
US4291405A (en) * 1979-09-07 1981-09-22 Bell Telephone Laboratories, Incorporated Error reduction speech communication system
US4354057A (en) * 1980-04-08 1982-10-12 Bell Telephone Laboratories, Incorporated Predictive signal coding with partitioned quantization
JPS574629A (en) * 1980-05-21 1982-01-11 Sony Corp Data transmitting method capable of correction of error
US4464784A (en) * 1981-04-30 1984-08-07 Eventide Clockworks, Inc. Pitch changer with glitch minimizer
ATE15425T1 (de) * 1981-06-22 1985-09-15 Marconi Co Ltd Funkverbindungsempfaenger.
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
US4437087A (en) * 1982-01-27 1984-03-13 Bell Telephone Laboratories, Incorporated Adaptive differential PCM coding
US4561102A (en) * 1982-09-20 1985-12-24 At&T Bell Laboratories Pitch detector for speech analysis

Also Published As

Publication number Publication date
CA1207906A (en) 1986-07-15
EP0116975A3 (en) 1988-03-16
AU2478184A (en) 1984-08-30
EP0116975B1 (de) 1992-04-22
AU579310B2 (en) 1988-11-24
JPS59153346A (ja) 1984-09-01
JPH0226898B2 (de) 1990-06-13
US4710960A (en) 1987-12-01
EP0116975A2 (de) 1984-08-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition