JP2014520282A5 - - Google Patents

Download PDF

Info

Publication number
JP2014520282A5
JP2014520282A5 JP2014513447A JP2014513447A JP2014520282A5 JP 2014520282 A5 JP2014520282 A5 JP 2014520282A5 JP 2014513447 A JP2014513447 A JP 2014513447A JP 2014513447 A JP2014513447 A JP 2014513447A JP 2014520282 A5 JP2014520282 A5 JP 2014520282A5
Authority
JP
Japan
Prior art keywords
subband
difference value
envelope
audio
quantizing
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.)
Granted
Application number
JP2014513447A
Other languages
English (en)
Other versions
JP2014520282A (ja
JP6262649B2 (ja
Filing date
Publication date
Priority claimed from RU2011121982/08A external-priority patent/RU2464649C1/ru
Application filed filed Critical
Publication of JP2014520282A publication Critical patent/JP2014520282A/ja
Publication of JP2014520282A5 publication Critical patent/JP2014520282A5/ja
Application granted granted Critical
Publication of JP6262649B2 publication Critical patent/JP6262649B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (1)

  1. オーディオスペクトルについて、所定のサブバンド単位でエンベロープを獲得する段階と、
    前記サブバンド単位で、前記エンベロープに対して量子化する段階と、
    隣接しているサブバンドに対して量子化されたエンベロープ間の差値を求め、以前サブバンドの差値をコンテキストとして現在サブバンドの差値に対して無損失符号化を行う段階と、を含むオーディオ符号化方法。
JP2014513447A 2011-06-01 2012-06-01 オーディオ符号化方法及び記録媒体 Active JP6262649B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2011121982 2011-06-01
RU2011121982/08A RU2464649C1 (ru) 2011-06-01 2011-06-01 Способ обработки звукового сигнала
PCT/KR2012/004362 WO2012165910A2 (ko) 2011-06-01 2012-06-01 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2017239861A Division JP6612837B2 (ja) 2011-06-01 2017-12-14 オーディオ符号化装置、オーディオ復号化方法及び記録媒体

Publications (3)

Publication Number Publication Date
JP2014520282A JP2014520282A (ja) 2014-08-21
JP2014520282A5 true JP2014520282A5 (ja) 2015-07-23
JP6262649B2 JP6262649B2 (ja) 2018-01-17

Family

ID=47145534

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2014513447A Active JP6262649B2 (ja) 2011-06-01 2012-06-01 オーディオ符号化方法及び記録媒体
JP2017239861A Active JP6612837B2 (ja) 2011-06-01 2017-12-14 オーディオ符号化装置、オーディオ復号化方法及び記録媒体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2017239861A Active JP6612837B2 (ja) 2011-06-01 2017-12-14 オーディオ符号化装置、オーディオ復号化方法及び記録媒体

Country Status (12)

Country Link
US (3) US9361895B2 (ja)
EP (1) EP2717264B1 (ja)
JP (2) JP6262649B2 (ja)
KR (2) KR102044006B1 (ja)
CN (3) CN106803425B (ja)
AU (3) AU2012263093B2 (ja)
CA (1) CA2838170C (ja)
MX (2) MX2013014152A (ja)
PL (1) PL2717264T3 (ja)
RU (1) RU2464649C1 (ja)
TW (3) TWI601130B (ja)
WO (1) WO2012165910A2 (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2464649C1 (ru) 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
WO2013058634A2 (ko) 2011-10-21 2013-04-25 삼성전자 주식회사 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치
GB2508417B (en) * 2012-11-30 2017-02-08 Toshiba Res Europe Ltd A speech processing system
CN108198564B (zh) 2013-07-01 2021-02-26 华为技术有限公司 信号编码和解码方法以及设备
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
US10468033B2 (en) 2013-09-13 2019-11-05 Samsung Electronics Co., Ltd. Energy lossless coding method and apparatus, signal coding method and apparatus, energy lossless decoding method and apparatus, and signal decoding method and apparatus
EP3046105B1 (en) 2013-09-13 2020-01-15 Samsung Electronics Co., Ltd. Lossless coding method
CN110634495B (zh) 2013-09-16 2023-07-07 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
MY181965A (en) 2013-10-18 2021-01-15 Fraunhofer Ges Forschung Coding of spectral coefficients of a spectrum of an audio signal
WO2015081699A1 (zh) 2013-12-02 2015-06-11 华为技术有限公司 一种编码方法及装置
CN111312278B (zh) 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
WO2015162500A2 (ko) * 2014-03-24 2015-10-29 삼성전자 주식회사 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치
CN111968655B (zh) 2014-07-28 2023-11-10 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
GB2526636B (en) * 2014-09-19 2016-10-26 Gurulogic Microsystems Oy Encoder, decoder and methods employing partial data encryption
WO2016162283A1 (en) * 2015-04-07 2016-10-13 Dolby International Ab Audio coding with range extension
CN104966517B (zh) * 2015-06-02 2019-02-01 华为技术有限公司 一种音频信号增强方法和装置
WO2017086765A2 (ko) * 2015-11-22 2017-05-26 엘지전자(주) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
CN115410583A (zh) 2018-04-11 2022-11-29 杜比实验室特许公司 基于机器学习的用于音频编码和解码的基于感知的损失函数
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
US10580424B2 (en) * 2018-06-01 2020-03-03 Qualcomm Incorporated Perceptual audio coding as sequential decision-making problems
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
CN109473116B (zh) * 2018-12-12 2021-07-20 思必驰科技股份有限公司 语音编码方法、语音解码方法及装置
CN110400578B (zh) * 2019-07-19 2022-05-17 广州市百果园信息技术有限公司 哈希码的生成及其匹配方法、装置、电子设备和存储介质
RU2769618C2 (ru) * 2020-05-18 2022-04-04 ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "СберМедИИ" Способ уменьшения вклада технических факторов в суммарный сигнал данных масс-спектрометрии с помощью фильтрации по техническим образцам
KR102660883B1 (ko) * 2023-12-01 2024-04-25 주식회사 테스트웍스 임베디드 장치의 미디어 프로세싱 테스트 방법 및 이를 수행하는 컴퓨팅 장치

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1336841C (en) * 1987-04-08 1995-08-29 Tetsu Taguchi Multi-pulse type coding system
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
US5687191A (en) * 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US8024269B1 (en) * 1997-08-27 2011-09-20 Datatreasury Corporation Remote image capture with centralized processing and storage
JP4281131B2 (ja) * 1998-10-22 2009-06-17 ソニー株式会社 信号符号化装置及び方法、並びに信号復号装置及び方法
JP3323175B2 (ja) * 1999-04-20 2002-09-09 松下電器産業株式会社 符号化装置
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
JP3559485B2 (ja) * 1999-11-22 2004-09-02 日本電信電話株式会社 音声信号の後処理方法および装置並びにプログラムを記録した記録媒体
JP2002268693A (ja) * 2001-03-12 2002-09-20 Mitsubishi Electric Corp オーディオ符号化装置
JP2003029797A (ja) * 2001-05-11 2003-01-31 Matsushita Electric Ind Co Ltd 符号化装置、復号化装置および放送システム
KR20030040203A (ko) 2001-05-11 2003-05-22 마쯔시다덴기산교 가부시키가이샤 부호화 장치, 복호화 장치 및 방송 시스템
US6934676B2 (en) * 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
US7200561B2 (en) * 2001-08-23 2007-04-03 Nippon Telegraph And Telephone Corporation Digital signal coding and decoding methods and apparatuses and programs therefor
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
JP2003233397A (ja) * 2002-02-12 2003-08-22 Victor Co Of Japan Ltd オーディオ符号化装置、オーディオ符号化プログラム及びオーディオ符号化データ伝送装置
KR100462611B1 (ko) * 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
JP4728568B2 (ja) * 2002-09-04 2011-07-20 マイクロソフト コーポレーション レベル・モードとラン・レングス/レベル・モードの間での符号化を適応させるエントロピー符号化
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
KR100754439B1 (ko) * 2003-01-09 2007-08-31 와이더댄 주식회사 이동 전화상의 체감 음질을 향상시키기 위한 디지털오디오 신호의 전처리 방법
US7693707B2 (en) 2003-12-26 2010-04-06 Pansonic Corporation Voice/musical sound encoding device and voice/musical sound encoding method
KR100657916B1 (ko) * 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
KR100771401B1 (ko) * 2005-08-01 2007-10-30 (주)펄서스 테크놀러지 프로그래머블 프로세서에서 mpeg-2 또는 mpeg-4aac 오디오 복호 알고리즘을 처리하기 위한 연산 회로및 연산 방법
US8326638B2 (en) * 2005-11-04 2012-12-04 Nokia Corporation Audio compression
WO2007063913A1 (ja) * 2005-11-30 2007-06-07 Matsushita Electric Industrial Co., Ltd. サブバンド符号化装置およびサブバンド符号化方法
MX2008010836A (es) * 2006-02-24 2008-11-26 France Telecom Un metodo para codificacion binaria de indices de cuantificacion de una envoltura de señal, un metodo para descodificar una envoltura de señal, y modulos de codificacion y descodificacion correspondiente.
EP2054878B1 (en) * 2006-08-15 2012-03-28 Broadcom Corporation Constrained and controlled decoding after packet loss
KR101346358B1 (ko) * 2006-09-18 2013-12-31 삼성전자주식회사 대역폭 확장 기법을 이용한 오디오 신호의 부호화/복호화방법 및 장치
JP4823001B2 (ja) 2006-09-27 2011-11-24 富士通セミコンダクター株式会社 オーディオ符号化装置
US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
KR100895100B1 (ko) * 2007-01-31 2009-04-28 엠텍비젼 주식회사 디지털 오디오 데이터의 복호화 방법 및 디지털 오디오데이터의 복호화 장치
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
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
US8554550B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context processing using multi resolution analysis
WO2010003563A1 (en) 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding audio samples
US8290782B2 (en) * 2008-07-24 2012-10-16 Dts, Inc. Compression of audio scale-factors by two-dimensional transformation
CN101673547B (zh) * 2008-09-08 2011-11-30 华为技术有限公司 编码方法、解码方法及其装置
CN101898724B (zh) 2009-05-27 2013-04-10 无锡港盛港口机械有限公司 双颚抓斗取物装置
KR20100136890A (ko) * 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
CN101847410A (zh) * 2010-05-31 2010-09-29 中国传媒大学广播电视数字化教育部工程研究中心 一种用于数字音频信号压缩的快速量化方法
RU2464649C1 (ru) * 2011-06-01 2012-10-20 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ обработки звукового сигнала
WO2013058634A2 (ko) 2011-10-21 2013-04-25 삼성전자 주식회사 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치

Similar Documents

Publication Publication Date Title
JP2014520282A5 (ja)
MX2013014152A (es) Metodo y aparato de codificacion de audio, metodo y aparato de decodificacion de audio, medio de grabacion de los mismos y dispositivo multimedia que emplea los mismos.
WO2013106739A3 (en) Determining contexts for coding transform coefficient data in video coding
WO2013058634A3 (ko) 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치
MY172238A (en) Noise filling in perceptual transform audio coding
EP3185557A4 (en) Predictive coding/decoding method, corresponding coder/decoder, and electronic device
EP3036759A4 (en) Polishing pad with porous interface and solid core, and related apparatus and methods
MX2019011956A (es) Clasificacion y codificacion de señal de audio.
MX2016000509A (es) Codificacion de entropia basada en el contexto, de valores de muestras de una envoltura espectral.
EP3046105A4 (en) Energy lossless coding method and device, signal coding method and device, energy lossless decoding method and device, and signal decoding method and device
WO2014005081A3 (en) Coding of significance flags
WO2015162500A3 (ko) 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치
MY174461A (en) Audio encoding method and relevant device
WO2012075476A3 (en) Warped spectral and fine estimate audio encoding
HK1223726A1 (zh) 用於通過採用分佈量化與編碼來分裂音頻信號包絡以進行音頻信號包絡編碼、處理和解碼的設備及方法
JP2015528563A5 (ja)
GB201819139D0 (en) New generation lossless data compression methods
GB201819142D0 (en) New generation lossless data compression methods
GB201818781D0 (en) New generation lossless data compression methods
GB201818765D0 (en) New generation lossless data compression methods
MX353486B (es) Clasificación y codificación de señal de audio.
GB201719911D0 (en) New generation lossless data compression methods
御崎加代子 Bridel, Pascal, ed.: General Equilibrium Analysis: A Century after Walras. London: Routledge, 2011, xix+ 148pp.
GB201701890D0 (en) New generation lossless data compression methods
GB201701759D0 (en) New generation lossless data compression methods