DK0577809T3 - Dobbelttilstands langtidsprediktion i talekodning - Google Patents

Dobbelttilstands langtidsprediktion i talekodning

Info

Publication number
DK0577809T3
DK0577809T3 DK93903357.7T DK93903357T DK0577809T3 DK 0577809 T3 DK0577809 T3 DK 0577809T3 DK 93903357 T DK93903357 T DK 93903357T DK 0577809 T3 DK0577809 T3 DK 0577809T3
Authority
DK
Denmark
Prior art keywords
double
speech coding
term prediction
mode long
mode
Prior art date
Application number
DK93903357.7T
Other languages
Danish (da)
English (en)
Inventor
Tor Bjuern Minde
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK0577809T3 publication Critical patent/DK0577809T3/da

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0004Design or structure of the codebook
    • G10L2019/0005Multi-stage vector quantisation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0011Long term prediction filters, i.e. pitch estimation

Landscapes

  • Engineering & 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)
DK93903357.7T 1992-01-27 1993-01-19 Dobbelttilstands langtidsprediktion i talekodning DK0577809T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9200217A SE469764B (sv) 1992-01-27 1992-01-27 Saett att koda en samplad talsignalvektor

Publications (1)

Publication Number Publication Date
DK0577809T3 true DK0577809T3 (da) 1998-05-25

Family

ID=20385120

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93903357.7T DK0577809T3 (da) 1992-01-27 1993-01-19 Dobbelttilstands langtidsprediktion i talekodning

Country Status (15)

Country Link
US (1) US5553191A (sv)
EP (1) EP0577809B1 (sv)
JP (1) JP3073017B2 (sv)
AU (1) AU658053B2 (sv)
BR (1) BR9303964A (sv)
CA (1) CA2106390A1 (sv)
DE (1) DE69314389T2 (sv)
DK (1) DK0577809T3 (sv)
ES (1) ES2110595T3 (sv)
FI (1) FI934063A (sv)
HK (1) HK1003346A1 (sv)
MX (1) MX9300401A (sv)
SE (1) SE469764B (sv)
TW (1) TW227609B (sv)
WO (1) WO1993015503A1 (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95086C (sv) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Förfarande för effektiv kodning av en talsignal
DE69526926T2 (de) * 1994-02-01 2003-01-02 Qualcomm, Inc. Lineare vorhersage durch impulsanregung
GB9408037D0 (en) * 1994-04-22 1994-06-15 Philips Electronics Uk Ltd Analogue signal coder
US7133835B1 (en) * 1995-08-08 2006-11-07 Cxn, Inc. Online exchange market system with a buyer auction and a seller auction
US6765904B1 (en) 1999-08-10 2004-07-20 Texas Instruments Incorporated Packet networks
US5799272A (en) * 1996-07-01 1998-08-25 Ess Technology, Inc. Switched multiple sequence excitation model for low bit rate speech compression
JP3357795B2 (ja) * 1996-08-16 2002-12-16 株式会社東芝 音声符号化方法および装置
FI964975A (sv) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Förfarande och anordning för talkodning
US6068630A (en) * 1997-01-02 2000-05-30 St. Francis Medical Technologies, Inc. Spine distraction implant
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
SE519563C2 (sv) * 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US6804244B1 (en) 1999-08-10 2004-10-12 Texas Instruments Incorporated Integrated circuits for packet communications
US6744757B1 (en) 1999-08-10 2004-06-01 Texas Instruments Incorporated Private branch exchange systems for packet communications
US6801532B1 (en) * 1999-08-10 2004-10-05 Texas Instruments Incorporated Packet reconstruction processes for packet communications
US6678267B1 (en) 1999-08-10 2004-01-13 Texas Instruments Incorporated Wireless telephone with excitation reconstruction of lost packet
US6801499B1 (en) * 1999-08-10 2004-10-05 Texas Instruments Incorporated Diversity schemes for packet communications
US6757256B1 (en) 1999-08-10 2004-06-29 Texas Instruments Incorporated Process of sending packets of real-time information
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
US7103538B1 (en) * 2002-06-10 2006-09-05 Mindspeed Technologies, Inc. Fixed code book with embedded adaptive code book
FI118835B (sv) * 2004-02-23 2008-03-31 Nokia Corp Väljändet av en kodningsmodell
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
US8977542B2 (en) 2010-07-16 2015-03-10 Telefonaktiebolaget L M Ericsson (Publ) Audio encoder and decoder and methods for encoding and decoding an audio signal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
US5097508A (en) * 1989-08-31 1992-03-17 Codex Corporation Digital speech coder having improved long term lag parameter determination
CA2051304C (en) * 1990-09-18 1996-03-05 Tomohiko Taniguchi Speech coding and decoding system
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
EP1162601A3 (en) * 1991-06-11 2002-07-03 QUALCOMM Incorporated Variable rate vocoder
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding

Also Published As

Publication number Publication date
CA2106390A1 (en) 1993-07-28
AU3465193A (en) 1993-09-01
SE9200217D0 (sv) 1992-01-27
HK1003346A1 (en) 1998-10-23
TW227609B (sv) 1994-08-01
AU658053B2 (en) 1995-03-30
JPH06506544A (ja) 1994-07-21
WO1993015503A1 (en) 1993-08-05
DE69314389T2 (de) 1998-02-05
EP0577809B1 (en) 1997-10-08
US5553191A (en) 1996-09-03
FI934063A0 (fi) 1993-09-16
BR9303964A (pt) 1994-08-02
MX9300401A (es) 1993-07-01
ES2110595T3 (es) 1998-02-16
DE69314389D1 (de) 1997-11-13
JP3073017B2 (ja) 2000-08-07
EP0577809A1 (en) 1994-01-12
FI934063A (fi) 1993-09-16
SE469764B (sv) 1993-09-06
SE9200217L (sv) 1993-07-28

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