BRPI1015554B1 - Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais - Google Patents

Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais Download PDF

Info

Publication number
BRPI1015554B1
BRPI1015554B1 BRPI1015554-6A BRPI1015554A BRPI1015554B1 BR PI1015554 B1 BRPI1015554 B1 BR PI1015554B1 BR PI1015554 A BRPI1015554 A BR PI1015554A BR PI1015554 B1 BRPI1015554 B1 BR PI1015554B1
Authority
BR
Brazil
Prior art keywords
context
tuple
msb
current
decoding
Prior art date
Application number
BRPI1015554-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Ki Hyun Choo
Jung-Hoe Kim
Eun Mi Oh
Original Assignee
Samsung Electronics Co. , Ltd.
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 Samsung Electronics Co. , Ltd. filed Critical Samsung Electronics Co. , Ltd.
Priority to BR122020024930-7A priority Critical patent/BR122020024930B1/pt
Publication of BRPI1015554A2 publication Critical patent/BRPI1015554A2/pt
Publication of BRPI1015554B1 publication Critical patent/BRPI1015554B1/pt

Links

Images

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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI1015554-6A 2009-06-19 2010-06-18 Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais BRPI1015554B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122020024930-7A BR122020024930B1 (pt) 2009-06-19 2010-06-18 Aparelho para decodificar sem ruído uma tupla-2

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
KR10-2009-0055113 2009-06-19
KR20090055113 2009-06-19
KR10-2009-0056301 2009-06-24
KR20090056301 2009-06-24
KR10-2009-0100457 2009-10-21
KR1020090100457A KR20100136890A (ko) 2009-06-19 2009-10-21 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR1020090122733A KR20100136896A (ko) 2009-06-19 2009-12-10 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2009-0122733 2009-12-10
KR1020100000281A KR20100136898A (ko) 2009-06-19 2010-01-04 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
KR10-2010-0000281 2010-01-04
KR10-2010-0000643 2010-01-05
KR1020100000643A KR101719735B1 (ko) 2009-06-19 2010-01-05 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
PCT/KR2010/003975 WO2010147436A2 (en) 2009-06-19 2010-06-18 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method

Publications (2)

Publication Number Publication Date
BRPI1015554A2 BRPI1015554A2 (pt) 2020-08-18
BRPI1015554B1 true BRPI1015554B1 (pt) 2021-08-10

Family

ID=43510806

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122020024930-7A BR122020024930B1 (pt) 2009-06-19 2010-06-18 Aparelho para decodificar sem ruído uma tupla-2
BRPI1015554-6A BRPI1015554B1 (pt) 2009-06-19 2010-06-18 Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR122020024930-7A BR122020024930B1 (pt) 2009-06-19 2010-06-18 Aparelho para decodificar sem ruído uma tupla-2

Country Status (10)

Country Link
US (3) US9171550B2 (enExample)
EP (3) EP2443750A4 (enExample)
JP (1) JP5635603B2 (enExample)
KR (5) KR20100136890A (enExample)
CN (3) CN105491378B (enExample)
BR (2) BR122020024930B1 (enExample)
CA (2) CA2765863C (enExample)
MX (1) MX2011013579A (enExample)
RU (2) RU2493652C2 (enExample)
WO (1) WO2010147436A2 (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
PT2491553T (pt) * 2009-10-20 2017-01-20 Fraunhofer Ges Forschung Codificador de áudio, descodificador de áudio, método para codificar uma informação de áudio, método para descodificar uma informação de áudio e programa de computador que utiliza uma redução iterativa de tamanho de intervalo
BR112012017258B1 (pt) * 2010-01-12 2020-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V codificador de áudio, decodificador de áudio, método de codificação e decodificação de uma informação de áudio, para obtenção de um valor de sub-região de contexto com base em uma norma de valores espectrais previamente decodificados
WO2012004349A1 (en) * 2010-07-08 2012-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coder using forward aliasing cancellation
PT3751564T (pt) * 2010-07-20 2023-01-06 Fraunhofer Ges Forschung Descodificador de áudio, método de descodificação de áudio e programa de computador
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
RU2464649C1 (ru) * 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
CN107025909B (zh) 2011-10-21 2020-12-29 三星电子株式会社 能量无损编码方法和设备以及能量无损解码方法和设备
GB2513111A (en) * 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US9176973B1 (en) 2013-06-14 2015-11-03 Timmes, Inc. Recursive-capable lossless compression mechanism
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
KR101940464B1 (ko) 2013-10-18 2019-01-18 텔레폰악티에볼라겟엘엠에릭슨(펍) 스펙트럼의 피크 위치의 코딩 및 디코딩
US10455247B2 (en) 2014-06-29 2019-10-22 Lg Electronics Inc. Method and apparatus for performing arithmetic coding on basis of concatenated ROM-RAM table
CN112992164B (zh) * 2014-07-28 2024-12-06 日本电信电话株式会社 编码方法、装置、程序产品以及记录介质
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
US9252805B1 (en) * 2015-03-28 2016-02-02 International Business Machines Corporation Parallel huffman decoder
US20160360236A1 (en) * 2015-06-04 2016-12-08 Mediatek Inc. Method and Apparatus for Entropy Transcoding
CN108496221B (zh) * 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
US10419781B2 (en) * 2016-09-20 2019-09-17 Qualcomm Incorporated Storing and retrieving high bit depth image data
US10194147B2 (en) * 2017-01-19 2019-01-29 Google Llc DC coefficient sign coding scheme
WO2019049543A1 (ja) * 2017-09-08 2019-03-14 ソニー株式会社 音声処理装置、音声処理方法及びプログラム
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
GB2574873A (en) * 2018-06-21 2019-12-25 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
CN109859743B (zh) * 2019-01-29 2023-12-08 腾讯科技（深圳）有限公司 音频识别方法、系统和机器设备

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133284A (ja) 1992-10-15 1994-05-13 Sony Corp エンコーダ及びデコーダ
US5703793A (en) * 1994-07-29 1997-12-30 Discovision Associates Video decompression
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
US5801649A (en) * 1995-08-03 1998-09-01 Seagate Technology, Inc. Matched spectral null encoder/decoder
KR100261254B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
KR100261253B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
KR100274213B1 (ko) * 1997-11-21 2000-12-15 윤종용 Rll(2,25)코드를 이용한 7/13 채널코딩 및 채널디코딩방법
FI104133B (fi) * 1997-11-28 1999-11-15 Nokia Mobile Phones Ltd Koodaus- ja modulointimenetelmä ja laite sen soveltamiseksi
US6289128B1 (en) * 1998-09-30 2001-09-11 Ricoh Co., Ltd. Method and apparatus for sharing a least significant bit of encoded data between multiple numeric data values
JP3684128B2 (ja) 2000-02-18 2005-08-17 キヤノン株式会社 算術符号化／復号化方法ならびに算術符号化／復号化装置
US6400289B1 (en) * 2000-03-01 2002-06-04 Hughes Electronics Corporation System and method for performing lossless data compression and decompression
JP2003304160A (ja) * 2002-04-11 2003-10-24 Sony Corp Ｍｑ−ｃｏｄｅｒ方式の算術符号化／復号装置並びに方法
AU2003235868A1 (en) * 2002-05-10 2003-11-11 Asahi Kasei Kabushiki Kaisha Speech recognition device
GB2388502A (en) * 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
KR20040085545A (ko) 2003-03-31 2004-10-08 삼성전자주식회사 통신 시스템에서 오류 정정 부호의 복호 장치 및 방법
US20040208169A1 (en) * 2003-04-18 2004-10-21 Reznik Yuriy A. Digital audio signal compression method and apparatus
US7426462B2 (en) 2003-09-29 2008-09-16 Sony Corporation Fast codebook selection method in audio encoding
KR100571824B1 (ko) * 2003-11-26 2006-04-17 삼성전자주식회사 부가정보 삽입된 ｍｐｅｇ-4 오디오 ｂｓａｃ부호화/복호화 방법 및 장치
JP2005184232A (ja) * 2003-12-17 2005-07-07 Sony Corp 符号化装置、プログラム、およびデータ処理方法
SE526226C2 (sv) 2003-12-19 2005-08-02 Ericsson Telefon Ab L M Bildbehandling
KR20050087956A (ko) * 2004-02-27 2005-09-01 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
KR100561869B1 (ko) 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
EP2006839A3 (en) * 2004-07-14 2009-02-11 Agency for Science, Technology and Research Context-based encoding and decoding of signals
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US7788106B2 (en) 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
JP2007028531A (ja) 2005-07-21 2007-02-01 Fuji Xerox Co Ltd 画像符号化装置及び画像符号化方法
KR20070037945A (ko) * 2005-10-04 2007-04-09 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
US7372378B2 (en) * 2005-12-01 2008-05-13 Nvidia Corporation Efficient decoding of n-tuple variable bit length symbols
KR101237413B1 (ko) * 2005-12-07 2013-02-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치
JP2007214814A (ja) 2006-02-08 2007-08-23 Sony Corp 復号化方法、復号化プログラムおよび復号化装置
JP4745865B2 (ja) * 2006-02-28 2011-08-10 富士通セミコンダクター株式会社 符号化装置および方法
US7246462B1 (en) * 2006-03-06 2007-07-24 Grois Inventors Corp, Inc. Reusable device for release of caught fishing accessories
JP2008268384A (ja) * 2007-04-17 2008-11-06 Nec Lcd Technologies Ltd 液晶表示装置
KR100889750B1 (ko) * 2007-05-17 2009-03-24 한국전자통신연구원 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법
EP2183851A1 (fr) * 2007-08-24 2010-05-12 France Telecom Codage/decodage par plans de symboles, avec calcul dynamique de tables de probabilites
US7623047B2 (en) * 2007-10-30 2009-11-24 Hewlett-Packard Development Company, L.P. Data sequence compression
EP2301019B1 (en) 2008-07-11 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and audio decoder
JP4573910B1 (ja) * 2009-03-17 2010-11-04 エンパイア テクノロジー ディベロップメント エルエルシー 画像表示システム、画像表示装置、画像提供装置およびその方法
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법

Also Published As

Publication number Publication date
BR122020024930B1 (pt) 2021-07-27
KR101719735B1 (ko) 2017-03-27
KR20100136898A (ko) 2010-12-29
EP3843279A1 (en) 2021-06-30
CA2765863C (en) 2016-05-24
US20100324912A1 (en) 2010-12-23
CN105427867A (zh) 2016-03-23
US9959879B2 (en) 2018-05-01
MX2011013579A (es) 2012-02-21
EP2443750A2 (en) 2012-04-25
CN102460975B (zh) 2016-02-17
US8412533B2 (en) 2013-04-02
US20120221325A1 (en) 2012-08-30
WO2010147436A2 (en) 2010-12-23
JP2012531086A (ja) 2012-12-06
KR20100136890A (ko) 2010-12-29
KR20100136899A (ko) 2010-12-29
JP5635603B2 (ja) 2014-12-03
CA2765863A1 (en) 2010-12-23
RU2493652C2 (ru) 2013-09-20
KR20170035855A (ko) 2017-03-31
US20160049160A1 (en) 2016-02-18
CN105491378A (zh) 2016-04-13
KR101882948B1 (ko) 2018-07-30
EP2443750A4 (en) 2015-04-29
KR20100136896A (ko) 2010-12-29
CN105491378B (zh) 2019-03-15
CA2923285A1 (en) 2010-12-23
BRPI1015554A2 (pt) 2020-08-18
US9171550B2 (en) 2015-10-27
CA2923285C (en) 2018-05-29
CN105427867B (zh) 2019-07-19
RU2013129559A (ru) 2015-01-10
CN102460975A (zh) 2012-05-16
RU2649288C2 (ru) 2018-03-30
EP3843278A1 (en) 2021-06-30
WO2010147436A3 (en) 2011-03-03
RU2011151607A (ru) 2013-06-27

Similar Documents

Publication Publication Date Title
BRPI1015554B1 (pt) Método de decodificação sem ruído de uma tupla-2 que é uma combinação de dois coeficientes espectrais
RU2591663C2 (ru) Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений
ES2536957T3 (es) Codificador de audio, decodificador de audio, método para codificar e información de audio, método para decodificar una información de audio y programa de computación utilizando una modificación de una representación de un numero de un valor de contexto numérico previo
CN101849258A (zh) 在可缩放语音和音频编解码器中的用于经量化的mdct频谱的码簿索引的编码/解码的技术
CN110853659A (zh) 用于对音频信号进行编码的量化装置
ES2982894T3 (es) Dispositivo para cuantificar el coeficiente predictivo lineal
KR20200092511A (ko) 심화 신경망 기반의 비-자동회귀 음성 합성 방법 및 시스템
JP5355244B2 (ja) 符号化方法、復号方法、符号化器、復号器およびプログラム
Julian et al. Finite Scalar Quantization Enables Redundant and Transmission-Robust Neural Audio Compression at Low Bit-rates
Faraj et al. Design and Comparison of Vector Quantization Codebooks for Narrowband Speech Coding
Moreno Variable frame size for vector quantization and application to speech coding
Djamah et al. Fine granularity scalable speech coding using embedded tree-structured vector quantization
Durey et al. Enhanced speech coding based on phonetic class segmentation.
BR122021003390A2 (pt) Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, método de decodificação de uma informação de áudio e programa de computador que utiliza uma tabela hash otimizada
BR122024007438A2 (pt) Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio e método de decodificação de uma informação de áudio.
BR122024007444A2 (pt) Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, método de decodificação de uma informação de áudio

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/06/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.