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SE469764B - Saett att koda en samplad talsignalvektor - Google Patents

Saett att koda en samplad talsignalvektor

Info

Publication number
SE469764B
SE469764B SE9200217A SE9200217A SE469764B SE 469764 B SE469764 B SE 469764B SE 9200217 A SE9200217 A SE 9200217A SE 9200217 A SE9200217 A SE 9200217A SE 469764 B SE469764 B SE 469764B
Authority
SE
Sweden
Prior art keywords
delay
gain
vector
begin
real
Prior art date
Application number
SE9200217A
Other languages
English (en)
Swedish (sv)
Other versions
SE9200217L (sv
SE9200217D0 (sv
Inventor
T B 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
Priority to SE9200217A priority Critical patent/SE469764B/sv
Publication of SE9200217D0 publication Critical patent/SE9200217D0/xx
Priority to TW082100183A priority patent/TW227609B/zh
Priority to CA002106390A priority patent/CA2106390A1/en
Priority to ES93903357T priority patent/ES2110595T3/es
Priority to JP05513132A priority patent/JP3073017B2/ja
Priority to DK93903357.7T priority patent/DK0577809T3/da
Priority to DE69314389T priority patent/DE69314389T2/de
Priority to PCT/SE1993/000024 priority patent/WO1993015503A1/en
Priority to EP93903357A priority patent/EP0577809B1/en
Priority to AU34651/93A priority patent/AU658053B2/en
Priority to BR9303964A priority patent/BR9303964A/pt
Priority to US08/009,245 priority patent/US5553191A/en
Priority to MX9300401A priority patent/MX9300401A/es
Publication of SE9200217L publication Critical patent/SE9200217L/xx
Publication of SE469764B publication Critical patent/SE469764B/sv
Priority to FI934063A priority patent/FI934063A/fi
Priority to HK98102397A priority patent/HK1003346A1/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long 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)
SE9200217A 1992-01-27 1992-01-27 Saett att koda en samplad talsignalvektor SE469764B (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9200217A SE469764B (sv) 1992-01-27 1992-01-27 Saett att koda en samplad talsignalvektor
TW082100183A TW227609B (ja) 1992-01-27 1993-01-13
BR9303964A BR9303964A (pt) 1992-01-27 1993-01-19 Processo de codificar um vetor de sinal de voz amostrado (s(n)) em um procedimento de análise por síntese
DE69314389T DE69314389T2 (de) 1992-01-27 1993-01-19 Zweimoden langzeitprädiktion in sprechkodierung
AU34651/93A AU658053B2 (en) 1992-01-27 1993-01-19 Double mode long term prediction in speech coding
JP05513132A JP3073017B2 (ja) 1992-01-27 1993-01-19 音声コーディングにおけるダブルモード長期予測
DK93903357.7T DK0577809T3 (da) 1992-01-27 1993-01-19 Dobbelttilstands langtidsprediktion i talekodning
CA002106390A CA2106390A1 (en) 1992-01-27 1993-01-19 Double mode long term prediction in speech coding
PCT/SE1993/000024 WO1993015503A1 (en) 1992-01-27 1993-01-19 Double mode long term prediction in speech coding
EP93903357A EP0577809B1 (en) 1992-01-27 1993-01-19 Double mode long term prediction in speech coding
ES93903357T ES2110595T3 (es) 1992-01-27 1993-01-19 Prevision a largo plazo de doble modalidad en el codificado de la palabra.
MX9300401A MX9300401A (es) 1992-01-27 1993-01-26 Prediccion a largo plazo de modo doble en codificacion de voz.
US08/009,245 US5553191A (en) 1992-01-27 1993-01-26 Double mode long term prediction in speech coding
FI934063A FI934063A (fi) 1992-01-27 1993-09-16 Saett att koda en samplad talsignalvektor
HK98102397A HK1003346A1 (en) 1992-01-27 1998-03-20 Double mode long term prediction in speech coding

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 (3)

Publication Number Publication Date
SE9200217D0 SE9200217D0 (sv) 1992-01-27
SE9200217L SE9200217L (sv) 1993-07-28
SE469764B true SE469764B (sv) 1993-09-06

Family

ID=20385120

Family Applications (1)

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

Country Status (15)

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

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
KR100323487B1 (ko) * 1994-02-01 2002-07-08 러셀 비. 밀러 버스트여기선형예측
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 (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi
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
US6744757B1 (en) 1999-08-10 2004-06-01 Texas Instruments Incorporated Private branch exchange systems for packet communications
US6757256B1 (en) 1999-08-10 2004-06-29 Texas Instruments Incorporated Process of sending packets of real-time information
US6804244B1 (en) 1999-08-10 2004-10-12 Texas Instruments Incorporated Integrated circuits 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
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 (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
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
EP2593937B1 (en) * 2010-07-16 2015-11-11 Telefonaktiebolaget LM 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
AU671952B2 (en) * 1991-06-11 1996-09-19 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
AU3465193A (en) 1993-09-01
JPH06506544A (ja) 1994-07-21
CA2106390A1 (en) 1993-07-28
DK0577809T3 (da) 1998-05-25
EP0577809A1 (en) 1994-01-12
TW227609B (ja) 1994-08-01
DE69314389D1 (de) 1997-11-13
AU658053B2 (en) 1995-03-30
WO1993015503A1 (en) 1993-08-05
HK1003346A1 (en) 1998-10-23
MX9300401A (es) 1993-07-01
US5553191A (en) 1996-09-03
DE69314389T2 (de) 1998-02-05
EP0577809B1 (en) 1997-10-08
SE9200217L (sv) 1993-07-28
SE9200217D0 (sv) 1992-01-27
FI934063A0 (fi) 1993-09-16
BR9303964A (pt) 1994-08-02
FI934063A (fi) 1993-09-16
ES2110595T3 (es) 1998-02-16
JP3073017B2 (ja) 2000-08-07

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