BRPI0711190B1 - Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas - Google Patents

Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas Download PDF

Info

Publication number
BRPI0711190B1
BRPI0711190B1 BRPI0711190-8A BRPI0711190A BRPI0711190B1 BR PI0711190 B1 BRPI0711190 B1 BR PI0711190B1 BR PI0711190 A BRPI0711190 A BR PI0711190A BR PI0711190 B1 BRPI0711190 B1 BR PI0711190B1
Authority
BR
Brazil
Prior art keywords
signal
data
encoded
lossy
lossless
Prior art date
Application number
BRPI0711190-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Böhm Johannes
Jax Peter
Keller Florian
Wübbolt Oliver
Kordon Sven
Original Assignee
Dolby International Ab
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 Dolby International Ab filed Critical Dolby International Ab
Publication of BRPI0711190A2 publication Critical patent/BRPI0711190A2/pt
Publication of BRPI0711190B1 publication Critical patent/BRPI0711190B1/pt

Links

Classifications

    • 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
    • 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BRPI0711190-8A 2006-05-05 2007-04-18 Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas BRPI0711190B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06113576.0 2006-05-05
EP06113576A EP1852848A1 (en) 2006-05-05 2006-05-05 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
PCT/EP2007/053783 WO2007128661A1 (en) 2006-05-05 2007-04-18 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream

Publications (2)

Publication Number Publication Date
BRPI0711190A2 BRPI0711190A2 (pt) 2011-08-23
BRPI0711190B1 true BRPI0711190B1 (pt) 2018-01-30

Family

ID=36694486

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0711190-8A BRPI0711190B1 (pt) 2006-05-05 2007-04-18 Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas

Country Status (9)

Country Link
US (1) US8428941B2 (enExample)
EP (2) EP1852848A1 (enExample)
JP (1) JP5135330B2 (enExample)
KR (1) KR101404335B1 (enExample)
CN (1) CN101432610B (enExample)
AT (1) ATE459868T1 (enExample)
BR (1) BRPI0711190B1 (enExample)
DE (1) DE602007005119D1 (enExample)
WO (1) WO2007128661A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1881485A1 (en) * 2006-07-18 2008-01-23 Deutsche Thomson-Brandt Gmbh Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal
CN101615395B (zh) 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、系统
US8457976B2 (en) 2009-01-30 2013-06-04 Qnx Software Systems Limited Sub-band processing complexity reduction
EP2755205B1 (en) * 2010-01-29 2019-12-11 2236008 Ontario Inc. Sub-band processing complexity reduction
EP2395505A1 (en) * 2010-06-11 2011-12-14 Thomson Licensing Method and apparatus for searching in a layered hierarchical bit stream followed by replay, said bit stream including a base layer and at least one enhancement layer
TWI496461B (zh) * 2010-12-03 2015-08-11 Dolby Lab Licensing Corp 利用多媒體處理節點之適應性處理技術
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
ES2534972T3 (es) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio espectral
EP2676270B1 (en) * 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
ES2715191T3 (es) 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
GB201210373D0 (en) * 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
KR102204136B1 (ko) * 2012-08-22 2021-01-18 한국전자통신연구원 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법
EP2770642B1 (en) * 2013-02-26 2022-10-05 Tata Consultancy Services Limited Systems and methods for data archival
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US9292584B1 (en) * 2014-12-27 2016-03-22 Ascava, Inc. Efficient data communication based on lossless reduction of data by deriving data from prime data elements resident in a content-associative sieve
US10431242B1 (en) * 2017-11-02 2019-10-01 Gopro, Inc. Systems and methods for identifying speech based on spectral features
EP3711047B1 (en) 2017-11-17 2022-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
CN109887515B (zh) * 2019-01-29 2021-07-09 北京市商汤科技开发有限公司 音频处理方法及装置、电子设备和存储介质
BR112022000230A2 (pt) 2019-08-01 2022-02-22 Dolby Laboratories Licensing Corp Codificação e decodificação de fluxos de bits de ivas
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
CN118522296A (zh) * 2023-02-17 2024-08-20 华为技术有限公司 有损编解码器和无损编解码器之间的切换方法和装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4033898B2 (ja) * 1994-12-20 2008-01-16 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 知覚符号化システムのサブバンドに波形予測を適用する装置及び方法
DE19742201C1 (de) * 1997-09-24 1999-02-04 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
JPH11109996A (ja) * 1997-10-06 1999-04-23 Victor Co Of Japan Ltd 音声符号化装置、音声符号化方法及び音声符号化情報の記録された光記録媒体並びに音声復号装置
CN100350749C (zh) * 1998-04-09 2007-11-21 皇家菲利浦电子有限公司 通过传输介质发送/接收数字信息信号的发送/接收装置和方法
KR100743534B1 (ko) * 2000-01-07 2007-07-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 디지털 정보를 전송하는 전송장치 및 전송방법
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
JP3636094B2 (ja) * 2001-05-07 2005-04-06 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
KR100908114B1 (ko) * 2002-03-09 2009-07-16 삼성전자주식회사 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
KR100467326B1 (ko) * 2002-12-09 2005-01-24 학교법인연세대학교 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
US7272567B2 (en) * 2004-03-25 2007-09-18 Zoran Fejzo Scalable lossless audio codec and authoring tool
US20060015329A1 (en) * 2004-07-19 2006-01-19 Chu Wai C Apparatus and method for audio coding
MX2007012185A (es) * 2005-04-01 2007-12-11 Qualcomm Inc Metodo y aparato para cuantificacion de vector de una representacion de envoltura espectral.
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
KR100851972B1 (ko) * 2005-10-12 2008-08-12 삼성전자주식회사 오디오 데이터 및 확장 데이터 부호화/복호화 방법 및 장치
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
CA2691993C (en) * 2007-06-11 2015-01-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoded audio signal

Also Published As

Publication number Publication date
JP2009536363A (ja) 2009-10-08
EP1852848A1 (en) 2007-11-07
CN101432610B (zh) 2011-11-23
US20090164226A1 (en) 2009-06-25
EP2016383A1 (en) 2009-01-21
BRPI0711190A2 (pt) 2011-08-23
WO2007128661A1 (en) 2007-11-15
DE602007005119D1 (de) 2010-04-15
JP5135330B2 (ja) 2013-02-06
KR20090007395A (ko) 2009-01-16
CN101432610A (zh) 2009-05-13
ATE459868T1 (de) 2010-03-15
KR101404335B1 (ko) 2014-06-09
EP2016383B1 (en) 2010-03-03
US8428941B2 (en) 2013-04-23

Similar Documents

Publication Publication Date Title
BRPI0711190B1 (pt) Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas
RU2387023C2 (ru) Многоканальный аудиокодер без потерь
KR101664434B1 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
JP5123303B2 (ja) 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置
BRPI0906619B1 (pt) Métodos para codificar áudio de multicanal, para decodificar um fluxo de áudio de multicanal de taxa de bit variável sem perda e para iniciar decodificação de um fluxo de bit de áudio de multicanal de taxa de bit variável, um ou mais meios legíveis por computador, um ou mais dispositivos semicondutores, e, decodificador de áudio de multicanal
JP6474845B2 (ja) 軽減された計算量の変換器snr計算
JPH10282999A (ja) オーディオ信号を符号化する方法及び装置、並びに符号化されたオーディオ信号を復号する方法及び装置
TW201126514A (en) Conversion of synthesized spectral components for encoding and low-complexity transcoding
US8515770B2 (en) Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined
CN101490746A (zh) 有损编码信号及所述信号的无损编码扩展数据的音频比特流数据结构布置
BRPI0711272A2 (pt) método e aparelho para codificação sem perdas de um sinal-fonte usando um fluxo contìnuo de dados codificado com perdas e um fluxo contìnuo de dados de extensão sem perdas
KR20100089772A (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
JP4640020B2 (ja) 音声符号化装置及び方法、並びに音声復号装置及び方法
JP2003523535A (ja) 複数のデータ圧縮フォーマット間でのオーディオ信号の変換方法及び装置
US20130103394A1 (en) Device and method for efficiently encoding quantization parameters of spectral coefficient coding
Yang et al. A lossless audio compression scheme with random access property
KR20100114450A (ko) 가변 비트율을 갖는 잔차 신호 부호화를 이용한 고품질 다객체 오디오 부호화 및 복호화 장치
KR100349329B1 (ko) 엠펙-2 고품질 오디오 처리 알고리즘의 병렬 처리 방법
KR100975522B1 (ko) 스케일러블 오디오 복/부호화 방법 및 장치
KR101635099B1 (ko) 멀티 채널 신호의 부호화/복호화 장치 및 방법
Chan et al. An Introduction to AVS Lossless Audio Coding

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: DOLBY INTERNATIONAL AB (NL)

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/00 (2000.01), G10L 19/24 (2013.01)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B25A Requested transfer of rights approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2771 DE 15-02-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.