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CY1119494T1 - Κβαντισμος μεταβλητου δυφιορρυθμου για φιλτρο lpc και διαταξη και μεθοδος αντιστροφου κβαντισμου - Google Patents

Κβαντισμος μεταβλητου δυφιορρυθμου για φιλτρο lpc και διαταξη και μεθοδος αντιστροφου κβαντισμου

Info

Publication number
CY1119494T1
CY1119494T1 CY20171101113T CY171101113T CY1119494T1 CY 1119494 T1 CY1119494 T1 CY 1119494T1 CY 20171101113 T CY20171101113 T CY 20171101113T CY 171101113 T CY171101113 T CY 171101113T CY 1119494 T1 CY1119494 T1 CY 1119494T1
Authority
CY
Cyprus
Prior art keywords
vector
weighted
lpc filter
residual
produce
Prior art date
Application number
CY20171101113T
Other languages
English (en)
Inventor
Bruno Bessette
Philippe Gournay
Redwan Salami
Original Assignee
Voiceage Corporation
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 Voiceage Corporation filed Critical Voiceage Corporation
Publication of CY1119494T1 publication Critical patent/CY1119494T1/el

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
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • H03M7/3082—Vector coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Διάταξη και μέθοδος για κβαντισμό φίλτρου LPC στη μορφή διανύσματος εισόδου σε πεδίο κβαντισμού, που περιλαμβάνουν υπολογιστή για τον υπολογισμό προσέγγισης πρώτου σταδίου του διανύσματος εισόδου, αφαιρέτη για αφαίρεση της προσέγγισης πρώτου σταδίου από το διάνυσμα εισόδου ώστε να παράγεται διάνυσμα υπολοίπου, υπολογιστή για υπολογισμό συνάρτησης στάθμισης από την προσέγγιση πρώτου σταδίου, στρεβλωτή για πολλαπλασιασμό του διανύσματος υπολοίπου με τη συνάρτηση στάθμισης, και κβαντιστή για κβαντισμό του σταθμισμένου διανύσματος υπολοίπου ώστε να παρέχεται κβαντισμένο σταθμισμένο διάνυσμα υπολοίπου. Διάταξη και μέθοδος για αντίστροφο κβαντισμό φίλτρου LPC, που περιλαμβάνουν μέσο για λήψη κωδικευμένων δεικτών που αντιπροσωπεύουν μια προσέγγιση πρώτου σταδίου ενός διανύσματος αντιπροσωπευτικού του φίλτρου LPC σε πεδίο κβαντισμού και μιας κβαντισμένης σταθμισμένης εκδοχής υπολοίπου του διανύσματος, υπολογιστή για υπολογισμό αντίστροφης συνάρτησης στάθμισης από την προσέγγιση πρώτου σταδίου, αντίστροφο κβαντιστή για την κβαντισμένη σταθμισμένη εκδοχή υπολοίπου του διανύσματος ώστε να παράγεται σταθμισμένο διάνυσμα υπολοίπου, πολλαπλασιαστή που πολλαπλασιάζει το σταθμισμένο διάνυσμα υπολοίπου με την αντίστροφη συνάρτηση στάθμισης ώστε να παράγεται διάνυσμα υπολοίπου, και αθροιστή που αθροίζει την προσέγγιση πρώτου σταδίου με το διάνυσμα υπολοίπου για να παράγει το διάνυσμα που αντιπροσωπεύει το φίλτρο LPC στο πεδίο κβαντισμού.
CY20171101113T 2008-07-10 2017-10-26 Κβαντισμος μεταβλητου δυφιορρυθμου για φιλτρο lpc και διαταξη και μεθοδος αντιστροφου κβαντισμου CY1119494T1 (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12966908P 2008-07-10 2008-07-10
US20207509P 2009-01-27 2009-01-27
PCT/CA2009/000980 WO2010003253A1 (en) 2008-07-10 2009-07-10 Variable bit rate lpc filter quantizing and inverse quantizing device and method

Publications (1)

Publication Number Publication Date
CY1119494T1 true CY1119494T1 (el) 2018-03-07

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CY20171100951T CY1119501T1 (el) 2008-07-10 2017-09-08 Συσκευη και μεθοδος για τον κβαντισμο φιλτρων lpc σε ενα υπερπλαισιο
CY20171101113T CY1119494T1 (el) 2008-07-10 2017-10-26 Κβαντισμος μεταβλητου δυφιορρυθμου για φιλτρο lpc και διαταξη και μεθοδος αντιστροφου κβαντισμου
CY20171101272T CY1119659T1 (el) 2008-07-10 2017-12-05 Διαταξη και μεθοδος κβαντισμου φιλτρου lpc πολλαπλων αναφορων

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Country Status (17)

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US (4) US8712764B2 (el)
EP (3) EP2301021B1 (el)
JP (2) JP2011527442A (el)
KR (2) KR101604774B1 (el)
CN (2) CN102119414B (el)
BR (1) BRPI0915450B1 (el)
CA (5) CA2972808C (el)
CY (3) CY1119501T1 (el)
DK (3) DK2313887T3 (el)
ES (3) ES2645375T3 (el)
HK (2) HK1153840A1 (el)
MX (1) MX2011000363A (el)
NO (1) NO2313887T3 (el)
PL (1) PL2313887T3 (el)
PT (3) PT2301022T (el)
RU (2) RU2509379C2 (el)
WO (3) WO2010003253A1 (el)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008107027A1 (en) * 2007-03-02 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements in a telecommunications network
CN101308655B (zh) * 2007-05-16 2011-07-06 展讯通信（上海）有限公司 一种音频编解码方法与装置
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
US20110158189A1 (en) * 2009-12-29 2011-06-30 Industrial Technology Research Institute Methods and Apparatus for Multi-Transmitter Collaborative Communications Systems
KR101660843B1 (ko) 2010-05-27 2016-09-29 삼성전자주식회사 Ｌｐｃ 계수 양자화를 위한 가중치 함수 결정 장치 및 방법
WO2011158485A2 (ja) * 2010-06-14 2011-12-22 パナソニック株式会社 オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置
MY176192A (en) 2010-07-02 2020-07-24 Dolby Int Ab Selective bass post filter
KR101747917B1 (ko) * 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
WO2013056388A1 (en) * 2011-10-18 2013-04-25 Telefonaktiebolaget L M Ericsson (Publ) An improved method and apparatus for adaptive multi rate codec
US9208775B2 (en) * 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
US9842598B2 (en) * 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
RU2640722C2 (ru) * 2013-04-05 2018-01-11 Долби Интернешнл Аб Усовершенствованный квантователь
RU2676041C1 (ru) 2013-05-24 2018-12-25 Долби Интернэшнл Аб Аудиокодер и аудиодекодер
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
CN104299614B (zh) * 2013-07-16 2017-12-29 华为技术有限公司 解码方法和解码装置
US10970967B2 (en) * 2014-09-24 2021-04-06 Jcm American Corporation Electronic voucher ticket system
US9407989B1 (en) 2015-06-30 2016-08-02 Arthur Woodrow Closed audio circuit
KR102169435B1 (ko) * 2016-03-21 2020-10-23 후아웨이 테크놀러지 컴퍼니 리미티드 가중된 행렬 계수의 적응형 양자화
US10366698B2 (en) 2016-08-30 2019-07-30 Dts, Inc. Variable length coding of indices and bit scheduling in a pyramid vector quantizer
TWI812658B (zh) 2017-12-19 2023-08-21 瑞典商都比國際公司 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統
CN111670439A (zh) * 2017-12-19 2020-09-15 杜比国际公司 用于统一语音及音频解码改进的方法及设备系统
US11315584B2 (en) 2017-12-19 2022-04-26 Dolby International Ab Methods and apparatus for unified speech and audio decoding QMF based harmonic transposer improvements
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
CN113571073A (zh) * 2020-04-28 2021-10-29 华为技术有限公司 一种线性预测编码参数的编码方法和编码装置
US20240013796A1 (en) * 2021-09-03 2024-01-11 Electronics And Telecommunications Research Institute Speech coding method and apparatus for performing the same

Family Cites Families (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69133296T2 (de) 1990-02-22 2004-01-29 Nec Corp Sprachcodierer
US6006174A (en) * 1990-10-03 1999-12-21 Interdigital Technology Coporation Multiple impulse excitation speech encoder and decoder
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
FI90477C (fi) 1992-03-23 1994-02-10 Nokia Mobile Phones Ltd Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään
DE69328450T2 (de) * 1992-06-29 2001-01-18 Nippon Telegraph And Telephone Corp., Tokio/Tokyo Verfahren und Vorrichtung zur Sprachkodierung
JP3255189B2 (ja) 1992-12-01 2002-02-12 日本電信電話株式会社 音声パラメータの符号化方法および復号方法
CN1051392C (zh) 1993-03-26 2000-04-12 摩托罗拉公司 矢量量化器方法
AU7960994A (en) * 1993-10-08 1995-05-04 Comsat Corporation Improved low bit rate vocoders and methods of operation therefor
FI98163C (fi) * 1994-02-08 1997-04-25 Nokia Mobile Phones Ltd Koodausjärjestelmä parametriseen puheenkoodaukseen
JP3013698B2 (ja) * 1994-04-20 2000-02-28 松下電器産業株式会社 ベクトル量子化符号化装置と復号化装置
CA2154911C (en) * 1994-08-02 2001-01-02 Kazunori Ozawa Speech coding device
JP3235703B2 (ja) * 1995-03-10 2001-12-04 日本電信電話株式会社 ディジタルフィルタのフィルタ係数決定方法
US6263307B1 (en) 1995-04-19 2001-07-17 Texas Instruments Incorporated Adaptive weiner filtering using line spectral frequencies
US5649051A (en) 1995-06-01 1997-07-15 Rothweiler; Joseph Harvey Constant data rate speech encoder for limited bandwidth path
JP3537008B2 (ja) 1995-07-17 2004-06-14 株式会社日立国際電気 音声符号化通信方式とその送受信装置
TW321810B (el) * 1995-10-26 1997-12-01 Sony Co Ltd
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3094908B2 (ja) 1996-04-17 2000-10-03 日本電気株式会社 音声符号化装置
US6904404B1 (en) 1996-07-01 2005-06-07 Matsushita Electric Industrial Co., Ltd. Multistage inverse quantization having the plurality of frequency bands
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
JP3707154B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 音声符号化方法及び装置
JP3707153B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
US6154499A (en) 1996-10-21 2000-11-28 Comsat Corporation Communication systems using nested coder and compatible channel coding
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
DE19730130C2 (de) 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US6889185B1 (en) * 1997-08-28 2005-05-03 Texas Instruments Incorporated Quantization of linear prediction coefficients using perceptual weighting
TW408298B (en) * 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
US6233550B1 (en) * 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
KR100361883B1 (ko) * 1997-10-03 2003-01-24 마츠시타 덴끼 산교 가부시키가이샤 오디오신호압축방법,오디오신호압축장치,음성신호압축방법,음성신호압축장치,음성인식방법및음성인식장치
JP3842432B2 (ja) 1998-04-20 2006-11-08 株式会社東芝 ベクトル量子化方法
US6823303B1 (en) * 1998-08-24 2004-11-23 Conexant Systems, Inc. Speech encoder using voice activity detection in coding noise
US6507814B1 (en) * 1998-08-24 2003-01-14 Conexant Systems, Inc. Pitch determination using speech classification and prior pitch estimation
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
FR2784218B1 (fr) 1998-10-06 2000-12-08 Thomson Csf Procede de codage de la parole a bas debit
JP3343082B2 (ja) 1998-10-27 2002-11-11 松下電器産業株式会社 Ｃｅｌｐ型音声符号化装置
US6691082B1 (en) 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
AU7486200A (en) 1999-09-22 2001-04-24 Conexant Systems, Inc. Multimode speech encoder
US6792405B2 (en) * 1999-12-10 2004-09-14 At&T Corp. Bitstream-based feature extraction method for a front-end speech recognizer
JP2002055699A (ja) * 2000-08-10 2002-02-20 Mitsubishi Electric Corp 音声符号化装置および音声符号化方法
JP2002055700A (ja) 2000-08-11 2002-02-20 Hitachi Kokusai Electric Inc 音声信号符号復号化システム
EP1339040B1 (en) * 2000-11-30 2009-01-07 Panasonic Corporation Vector quantizing device for lpc parameters
US6996523B1 (en) 2001-02-13 2006-02-07 Hughes Electronics Corporation Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system
KR20020075592A (ko) * 2001-03-26 2002-10-05 한국전자통신연구원 광대역 음성 부호화기용 ｌｓｆ 양자화기
US7003454B2 (en) * 2001-05-16 2006-02-21 Nokia Corporation Method and system for line spectral frequency vector quantization in speech codec
US6584437B2 (en) * 2001-06-11 2003-06-24 Nokia Mobile Phones Ltd. Method and apparatus for coding successive pitch periods in speech signal
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US6711027B2 (en) 2001-07-23 2004-03-23 Intel Corporation Modules having paths of different impedances
US7647223B2 (en) * 2001-08-16 2010-01-12 Broadcom Corporation Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space
US7386447B2 (en) * 2001-11-02 2008-06-10 Texas Instruments Incorporated Speech coder and method
SE521600C2 (sv) * 2001-12-04 2003-11-18 Global Ip Sound Ab Lågbittaktskodek
JP4263412B2 (ja) * 2002-01-29 2009-05-13 富士通株式会社 音声符号変換方法
US20040002856A1 (en) * 2002-03-08 2004-01-01 Udaya Bhaskar Multi-rate frequency domain interpolative speech CODEC system
WO2004008437A2 (en) 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
CA2511516C (en) 2002-12-24 2009-03-03 Nokia Corporation Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
KR100486732B1 (ko) * 2003-02-19 2005-05-03 삼성전자주식회사 블럭제한된 트렐리스 부호화 양자화방법과 음성부호화시스템에있어서 이를 채용한 라인스펙트럼주파수 계수양자화방법 및 장치
WO2004090864A2 (en) 2003-03-12 2004-10-21 The Indian Institute Of Technology, Bombay Method and apparatus for the encoding and decoding of speech
KR100732659B1 (ko) * 2003-05-01 2007-06-27 노키아 코포레이션 가변 비트 레이트 광대역 스피치 음성 코딩시의 이득양자화를 위한 방법 및 장치
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
FR2869151B1 (fr) 2004-04-19 2007-01-26 Thales Sa Procede de quantification d'un codeur de parole a tres bas debit
CN1947174B (zh) * 2004-04-27 2012-03-14 松下电器产业株式会社 可扩展编码装置、可扩展解码装置、可扩展编码方法以及可扩展解码方法
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
US7596486B2 (en) * 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
JP4871501B2 (ja) 2004-11-04 2012-02-08 パナソニック株式会社 ベクトル変換装置及びベクトル変換方法
SG163555A1 (en) 2005-04-01 2010-08-30 Qualcomm Inc Systems, methods, and apparatus for highband burst suppression
ES2478004T3 (es) 2005-10-05 2014-07-18 Lg Electronics Inc. Método y aparato para decodificar una señal de audio
JP2007142547A (ja) 2005-11-15 2007-06-07 Oki Electric Ind Co Ltd 符号化方法及び復号化方法とその符号器及び復号器
JP5241701B2 (ja) * 2007-03-02 2013-07-17 パナソニック株式会社 符号化装置および符号化方法
CN101110214B (zh) * 2007-08-10 2011-08-17 北京理工大学 一种基于多描述格型矢量量化技术的语音编码方法
US8515767B2 (en) * 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
ATE500588T1 (de) 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
CN101911185B (zh) * 2008-01-16 2013-04-03 松下电器产业株式会社 矢量量化装置、矢量反量化装置及其方法
US8386271B2 (en) * 2008-03-25 2013-02-26 Microsoft Corporation Lossless and near lossless scalable audio codec
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding

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EP2301022A4 (en) 2012-08-15
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CA2729752A1 (en) 2010-01-14
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