KR101604774B1 - 멀티-레퍼런스 lpc 필터 양자화 및 역 양자화 장치 및 방법 - Google Patents

멀티-레퍼런스 lpc 필터 양자화 및 역 양자화 장치 및 방법 Download PDF

Info

Publication number
KR101604774B1
KR101604774B1 KR1020117002977A KR20117002977A KR101604774B1 KR 101604774 B1 KR101604774 B1 KR 101604774B1 KR 1020117002977 A KR1020117002977 A KR 1020117002977A KR 20117002977 A KR20117002977 A KR 20117002977A KR 101604774 B1 KR101604774 B1 KR 101604774B1
Authority
KR
South Korea
Prior art keywords
quantized
lpc filter
quantization
filter
lpc
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.)
Active
Application number
KR1020117002977A
Other languages
English (en)
Korean (ko)
Other versions
KR20110044222A (ko
Inventor
필립 구르나이
브뤼노 브세뜨
레드완 살라미
Original Assignee
보이세지 코포레이션
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 보이세지 코포레이션 filed Critical 보이세지 코포레이션
Publication of KR20110044222A publication Critical patent/KR20110044222A/ko
Application granted granted Critical
Publication of KR101604774B1 publication Critical patent/KR101604774B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082Vector coding
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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)
KR1020117002977A 2008-07-10 2009-07-10 멀티-레퍼런스 lpc 필터 양자화 및 역 양자화 장치 및 방법 Active KR101604774B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12966908P 2008-07-10 2008-07-10
US61/129,669 2008-07-10
US20207509P 2009-01-27 2009-01-27
US61/202,075 2009-01-27

Publications (2)

Publication Number Publication Date
KR20110044222A KR20110044222A (ko) 2011-04-28
KR101604774B1 true KR101604774B1 (ko) 2016-03-18

Family

ID=41506638

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020117002977A Active KR101604774B1 (ko) 2008-07-10 2009-07-10 멀티-레퍼런스 lpc 필터 양자화 및 역 양자화 장치 및 방법
KR1020117002983A Active KR101592968B1 (ko) 2008-07-10 2009-07-10 수퍼-프레임의 lpc 필터들을 양자화 및 역 양자화하기 위한 장치 및 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020117002983A Active KR101592968B1 (ko) 2008-07-10 2009-07-10 수퍼-프레임의 lpc 필터들을 양자화 및 역 양자화하기 위한 장치 및 방법

Country Status (16)

Country Link
US (4) US8332213B2 (enExample)
EP (3) EP2301021B1 (enExample)
JP (2) JP2011527442A (enExample)
KR (2) KR101604774B1 (enExample)
CN (2) CN102089810B (enExample)
BR (1) BRPI0915450B1 (enExample)
CA (5) CA2729751C (enExample)
CY (3) CY1119501T1 (enExample)
DK (3) DK2313887T3 (enExample)
ES (3) ES2650492T3 (enExample)
MX (1) MX2011000363A (enExample)
NO (1) NO2313887T3 (enExample)
PL (1) PL2313887T3 (enExample)
PT (3) PT2301021T (enExample)
RU (2) RU2509379C2 (enExample)
WO (3) WO2010003253A1 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2533626T3 (es) * 2007-03-02 2015-04-13 Telefonaktiebolaget L M Ericsson (Publ) Métodos y adaptaciones en una red de telecomunicaciones
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
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
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
EP2581902A4 (en) * 2010-06-14 2015-04-08 Panasonic Corp AUDIOHYBRID ENCODER AND AUDIOHYBRIDE DECODING DEVICE
CN105261372B (zh) 2010-07-02 2021-07-16 杜比国际公司 自适应后置滤波器
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
CN105144288B (zh) 2013-04-05 2019-12-27 杜比国际公司 高级量化器
PL3005350T3 (pl) 2013-05-24 2017-09-29 Dolby International Ab Koder i dekoder audio
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
CN111899746B (zh) * 2016-03-21 2022-10-18 华为技术有限公司 加权矩阵系数的自适应量化
US10366698B2 (en) 2016-08-30 2019-07-30 Dts, Inc. Variable length coding of indices and bit scheduling in a pyramid vector quantizer
WO2019121982A1 (en) 2017-12-19 2019-06-27 Dolby International Ab Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements
US11532316B2 (en) 2017-12-19 2022-12-20 Dolby International Ab Methods and apparatus systems for unified speech and audio decoding improvements
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
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
KR20230043876A (ko) * 2020-07-07 2023-03-31 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 채널 오디오 신호의 채널에 대한 스케일 파라미터의 공동 코딩을 사용하는 오디오 디코더, 오디오 인코더 및 관련 방법
JP7491395B2 (ja) * 2020-11-05 2024-05-28 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
US12354614B2 (en) * 2022-10-28 2025-07-08 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
EP0751496B1 (en) * 1992-06-29 2000-04-19 Nippon Telegraph And Telephone Corporation Speech coding method and apparatus for the same
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
BR9404725A (pt) 1993-03-26 1999-06-15 Motorola Inc Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão
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 (enExample) * 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
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
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
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
TW408298B (en) 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
US6889185B1 (en) * 1997-08-28 2005-05-03 Texas Instruments Incorporated Quantization of linear prediction coefficients using perceptual weighting
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
DE69836785T2 (de) 1997-10-03 2007-04-26 Matsushita Electric Industrial Co., Ltd., Kadoma Audiosignalkompression, Sprachsignalkompression und Spracherkennung
JP3842432B2 (ja) * 1998-04-20 2006-11-08 株式会社東芝 ベクトル量子化方法
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
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
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
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
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
CZ304196B6 (cs) * 2000-11-30 2013-12-27 Panasonic Corporation Vektorové kvantizační zařízení LPC parametru, kodér řeči a přijímací zařízení signálu řeči
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
AU2003247040A1 (en) * 2002-07-16 2004-02-02 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
JP4546464B2 (ja) * 2004-04-27 2010-09-15 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
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
SG163556A1 (en) 2005-04-01 2010-08-30 Qualcomm Inc Systems, methods, and apparatus for wideband speech coding
WO2007040349A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing
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
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
EP3288029A1 (en) * 2008-01-16 2018-02-28 III Holdings 12, LLC Vector quantizer, vector inverse quantizer, and methods therefor
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

Also Published As

Publication number Publication date
RU2011104784A (ru) 2012-08-20
EP2301021A4 (en) 2012-08-15
PT2301021T (pt) 2017-09-22
HK1154109A1 (en) 2012-04-13
JP5710476B2 (ja) 2015-04-30
CA2729665C (en) 2016-11-22
CA2972808A1 (en) 2010-01-14
CN102089810B (zh) 2013-05-08
JP2011527441A (ja) 2011-10-27
RU2509379C2 (ru) 2014-03-10
EP2301022A1 (en) 2011-03-30
CY1119501T1 (el) 2018-03-07
US20100023324A1 (en) 2010-01-28
CN102119414B (zh) 2013-04-24
KR20110042303A (ko) 2011-04-26
PL2313887T3 (pl) 2018-01-31
CA2972808C (en) 2018-12-18
BRPI0915450A2 (pt) 2017-06-27
HK1153840A1 (en) 2012-04-05
CA2729665E (en) 2010-01-14
WO2010003253A1 (en) 2010-01-14
WO2010003254A1 (en) 2010-01-14
EP2301021B1 (en) 2017-06-21
CY1119659T1 (el) 2018-04-04
ES2645375T3 (es) 2017-12-05
CA2729752C (en) 2018-06-05
BRPI0915450B1 (pt) 2020-03-10
EP2301022A4 (en) 2012-08-15
US8332213B2 (en) 2012-12-11
WO2010003252A1 (en) 2010-01-14
EP2301021A1 (en) 2011-03-30
ES2650492T3 (es) 2018-01-18
US8712764B2 (en) 2014-04-29
US20100023323A1 (en) 2010-01-28
PT2313887T (pt) 2017-11-14
KR20110044222A (ko) 2011-04-28
RU2011104813A (ru) 2012-08-20
DK2301022T3 (en) 2017-12-04
CA2729665A1 (en) 2010-01-14
DK2313887T3 (da) 2017-11-13
CA2972812C (en) 2018-07-24
US20100023325A1 (en) 2010-01-28
ES2639747T3 (es) 2017-10-30
DK2301021T3 (en) 2017-09-18
PT2301022T (pt) 2017-12-12
MX2011000363A (es) 2011-06-16
US9245532B2 (en) 2016-01-26
CN102119414A (zh) 2011-07-06
EP2313887A4 (en) 2013-11-27
EP2313887B1 (en) 2017-09-13
CY1119494T1 (el) 2018-03-07
EP2313887A1 (en) 2011-04-27
NO2313887T3 (enExample) 2018-02-10
CA2729751A1 (en) 2010-01-14
WO2010003253A8 (en) 2010-04-01
CA2729751C (en) 2017-10-24
EP2301022B1 (en) 2017-09-06
KR101592968B1 (ko) 2016-02-11
JP2011527442A (ja) 2011-10-27
CA2972812A1 (en) 2010-01-14
CA2729752A1 (en) 2010-01-14
CN102089810A (zh) 2011-06-08
USRE49363E1 (en) 2023-01-10

Similar Documents

Publication Publication Date Title
KR101604774B1 (ko) 멀티-레퍼런스 lpc 필터 양자화 및 역 양자화 장치 및 방법
KR100700857B1 (ko) 전환 스피치 프레임의 다중 펄스 보간 코딩
KR100647290B1 (ko) 합성된 음성의 특성을 이용하여 양자화/역양자화를선택하는 음성 부호화/복호화 장치 및 그 방법
HK1153840B (en) Multi-reference lpc filter quantization and inverse quantization device and method
HK1154109B (en) Device and method for quantizing and inverse quantizing lpc filters in a super-frame

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20110208

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
AMND Amendment
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20140624

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20150612

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20151224

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20150612

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

AMND Amendment
PX0901 Re-examination

Patent event code: PX09011S01I

Patent event date: 20151224

Comment text: Decision to Refuse Application

Patent event code: PX09012R01I

Patent event date: 20140624

Comment text: Amendment to Specification, etc.

PX0701 Decision of registration after re-examination

Patent event date: 20160204

Comment text: Decision to Grant Registration

Patent event code: PX07013S01D

Patent event date: 20160115

Comment text: Amendment to Specification, etc.

Patent event code: PX07012R01I

Patent event date: 20151224

Comment text: Decision to Refuse Application

Patent event code: PX07011S01I

Patent event date: 20140624

Comment text: Amendment to Specification, etc.

Patent event code: PX07012R01I

X701 Decision to grant (after re-examination)
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20160314

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20160315

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20190226

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20190226

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 20200228

Year of fee payment: 5

PR1001 Payment of annual fee

Payment date: 20200228

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20210224

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20220223

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20230216

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20240220

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20250220

Start annual number: 10

End annual number: 10