ATE400872T1 - Einheitliche verlustbehaftete und verlustfreie komprimierung von audiosignalen - Google Patents

Einheitliche verlustbehaftete und verlustfreie komprimierung von audiosignalen

Info

Publication number
ATE400872T1
ATE400872T1 AT03020085T AT03020085T ATE400872T1 AT E400872 T1 ATE400872 T1 AT E400872T1 AT 03020085 T AT03020085 T AT 03020085T AT 03020085 T AT03020085 T AT 03020085T AT E400872 T1 ATE400872 T1 AT E400872T1
Authority
AT
Austria
Prior art keywords
lossy
lossless coding
lossless
audio signals
mixed
Prior art date
Application number
AT03020085T
Other languages
English (en)
Inventor
Wei-Ge Chen
Chao He
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE400872T1 publication Critical patent/ATE400872T1/de

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G10L2015/025—Phonemes, fenemes or fenones being the recognition units

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT03020085T 2002-09-04 2003-09-04 Einheitliche verlustbehaftete und verlustfreie komprimierung von audiosignalen ATE400872T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40843202P 2002-09-04 2002-09-04
US10/620,267 US7424434B2 (en) 2002-09-04 2003-07-14 Unified lossy and lossless audio compression

Publications (1)

Publication Number Publication Date
ATE400872T1 true ATE400872T1 (de) 2008-07-15

Family

ID=31720749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03020085T ATE400872T1 (de) 2002-09-04 2003-09-04 Einheitliche verlustbehaftete und verlustfreie komprimierung von audiosignalen

Country Status (5)

Country Link
US (1) US7424434B2 (de)
EP (1) EP1396844B1 (de)
JP (2) JP4778196B2 (de)
AT (1) ATE400872T1 (de)
DE (1) DE60322003D1 (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3742356B2 (ja) 2002-03-20 2006-02-01 株式会社日立製作所 ヒートポンプ給湯機
US8228849B2 (en) * 2002-07-15 2012-07-24 Broadcom Corporation Communication gateway supporting WLAN communications in multiple communication protocols and in multiple frequency bands
US7536305B2 (en) 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
ATE543178T1 (de) * 2002-09-04 2012-02-15 Microsoft Corp Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
US7433824B2 (en) * 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
US7742926B2 (en) * 2003-04-18 2010-06-22 Realnetworks, Inc. Digital audio signal compression method and apparatus
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7978716B2 (en) * 2003-11-24 2011-07-12 Citrix Systems, Inc. Systems and methods for providing a VPN solution
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
US7757074B2 (en) 2004-06-30 2010-07-13 Citrix Application Networking, Llc System and method for establishing a virtual private network
US8739274B2 (en) 2004-06-30 2014-05-27 Citrix Systems, Inc. Method and device for performing integrated caching in a data communication network
US8495305B2 (en) 2004-06-30 2013-07-23 Citrix Systems, Inc. Method and device for performing caching of dynamically generated objects in a data communication network
US8291119B2 (en) * 2004-07-23 2012-10-16 Citrix Systems, Inc. Method and systems for securing remote access to private networks
EP1771998B1 (de) 2004-07-23 2015-04-15 Citrix Systems, Inc. Systeme und verfahren zur kommunikationsoptimierung zwischen netzwerkknoten
CN101076992A (zh) 2004-08-13 2007-11-21 塞特里克斯系统公司 在多个远程访问服务器之间维持事务完整性的方法
US8706877B2 (en) 2004-12-30 2014-04-22 Citrix Systems, Inc. Systems and methods for providing client-side dynamic redirection to bypass an intermediary
US8549149B2 (en) 2004-12-30 2013-10-01 Citrix Systems, Inc. Systems and methods for providing client-side accelerated access to remote applications via TCP multiplexing
US8700695B2 (en) 2004-12-30 2014-04-15 Citrix Systems, Inc. Systems and methods for providing client-side accelerated access to remote applications via TCP pooling
US8954595B2 (en) 2004-12-30 2015-02-10 Citrix Systems, Inc. Systems and methods for providing client-side accelerated access to remote applications via TCP buffering
US7810089B2 (en) 2004-12-30 2010-10-05 Citrix Systems, Inc. Systems and methods for automatic installation and execution of a client-side acceleration program
US20060159432A1 (en) * 2005-01-14 2006-07-20 Citrix Systems, Inc. System and methods for automatic time-warped playback in rendering a recorded computer session
US8340130B2 (en) * 2005-01-14 2012-12-25 Citrix Systems, Inc. Methods and systems for generating playback instructions for rendering of a recorded computer session
US8935316B2 (en) 2005-01-14 2015-01-13 Citrix Systems, Inc. Methods and systems for in-session playback on a local machine of remotely-stored and real time presentation layer protocol data
US7831728B2 (en) 2005-01-14 2010-11-09 Citrix Systems, Inc. Methods and systems for real-time seeking during real-time playback of a presentation layer protocol data stream
US8296441B2 (en) 2005-01-14 2012-10-23 Citrix Systems, Inc. Methods and systems for joining a real-time session of presentation layer protocol data
US8145777B2 (en) * 2005-01-14 2012-03-27 Citrix Systems, Inc. Method and system for real-time seeking during playback of remote presentation protocols
US8230096B2 (en) * 2005-01-14 2012-07-24 Citrix Systems, Inc. Methods and systems for generating playback instructions for playback of a recorded computer session
US8200828B2 (en) * 2005-01-14 2012-06-12 Citrix Systems, Inc. Systems and methods for single stack shadowing
US8255456B2 (en) 2005-12-30 2012-08-28 Citrix Systems, Inc. System and method for performing flash caching of dynamically generated objects in a data communication network
CN102104632B (zh) 2005-01-24 2012-08-22 茨特里克斯系统公司 在网络中对动态产生的对象执行缓存的系统和方法
JP4665550B2 (ja) * 2005-02-25 2011-04-06 ソニー株式会社 再生装置および再生方法
US8171169B2 (en) * 2005-03-14 2012-05-01 Citrix Systems, Inc. Method and apparatus for updating a graphical display in a distributed processing environment
US8270439B2 (en) * 2005-07-08 2012-09-18 Activevideo Networks, Inc. Video game system using pre-encoded digital audio mixing
US7693709B2 (en) * 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7684981B2 (en) * 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8191008B2 (en) 2005-10-03 2012-05-29 Citrix Systems, Inc. Simulating multi-monitor functionality in a single monitor environment
TWI276047B (en) * 2005-12-15 2007-03-11 Ind Tech Res Inst An apparatus and method for lossless entropy coding of audio signal
US7921184B2 (en) 2005-12-30 2011-04-05 Citrix Systems, Inc. System and method for performing flash crowd caching of dynamically generated objects in a data communication network
US8301839B2 (en) 2005-12-30 2012-10-30 Citrix Systems, Inc. System and method for performing granular invalidation of cached dynamically generated objects in a data communication network
EP1883067A1 (de) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellsignals, unter Benutzung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms.
BRPI0718738B1 (pt) * 2006-12-12 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo
US8155202B2 (en) 2007-01-12 2012-04-10 Activevideo Networks, Inc. System and method for encoding scrolling raster images
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US8184710B2 (en) * 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
JP2008257221A (ja) * 2007-03-13 2008-10-23 Matsushita Electric Ind Co Ltd 信号処理装置
JP5302190B2 (ja) * 2007-05-24 2013-10-02 パナソニック株式会社 オーディオ復号装置、オーディオ復号方法、プログラム及び集積回路
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
US8179974B2 (en) * 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
PL2301020T3 (pl) * 2008-07-11 2013-06-28 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu
CN102105930B (zh) 2008-07-11 2012-10-03 弗朗霍夫应用科学研究促进协会 用于编码采样音频信号的帧的音频编码器和解码器
PT2146344T (pt) 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
JP5555707B2 (ja) * 2008-10-08 2014-07-23 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン マルチ分解能切替型のオーディオ符号化及び復号化スキーム
JP5547810B2 (ja) 2009-07-27 2014-07-16 インダストリー−アカデミック コーペレイション ファウンデイション， ヨンセイ ユニバーシティ オーディオ信号を処理する方法及び装置
EP2501288B1 (de) * 2009-11-19 2016-12-21 Modulated Imaging Inc. Verfahren und vorrichtung zur analyse trüber medien durch einzelelementerkennung mithilfe strukturierter beleuchtung
KR20130138263A (ko) 2010-10-14 2013-12-18 액티브비디오 네트웍스, 인코포레이티드 케이블 텔레비전 시스템을 이용하는 비디오 장치들 간의 디지털 비디오의 스트리밍
US9305006B2 (en) * 2010-11-11 2016-04-05 Red Hat, Inc. Media compression in a digital device
WO2012138660A2 (en) 2011-04-07 2012-10-11 Activevideo Networks, Inc. Reduction of latency in video distribution networks using adaptive bit rates
US8615159B2 (en) 2011-09-20 2013-12-24 Citrix Systems, Inc. Methods and systems for cataloging text in a recorded session
US10409445B2 (en) 2012-01-09 2019-09-10 Activevideo Networks, Inc. Rendering of an interactive lean-backward user interface on a television
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
US9026451B1 (en) * 2012-05-09 2015-05-05 Google Inc. Pitch post-filter
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
US9711150B2 (en) 2012-08-22 2017-07-18 Electronics And Telecommunications Research Institute Audio encoding apparatus and method, and audio decoding apparatus and method
EP2770642B1 (de) * 2013-02-26 2022-10-05 Tata Consultancy Services Limited Systeme und Verfahren zur Datenarchivierung
WO2014145921A1 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
EP3005712A1 (de) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Überlagerte darstellung einer benutzerschnittstelle auf quellvideoinhalten
JP6863359B2 (ja) * 2014-03-24 2021-04-21 ソニーグループ株式会社 復号装置および方法、並びにプログラム
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks
CN105336336B (zh) * 2014-06-12 2016-12-28 华为技术有限公司 一种音频信号的时域包络处理方法及装置、编码器
EP3451332B1 (de) * 2017-08-31 2020-03-25 Dolby International AB Von decodierer bereitgestellte zeitbereichsaliasingunterdrückung während verlusthaften/verlustfreien übergängen
US10438597B2 (en) * 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions
JP2019056971A (ja) * 2017-09-19 2019-04-11 株式会社東芝 データ転送回路、データ転送方法及びプログラム
CN109981110B (zh) * 2019-03-05 2023-03-24 哈尔滨工业大学（深圳） 带有逐点相对误差界限的有损压缩的方法
CN110398647B (zh) * 2019-06-26 2022-02-15 深圳供电局有限公司 变压器状态监测方法
CN114724567B (zh) * 2020-12-18 2025-04-15 同响科技股份有限公司 固定带宽音信数据的有损或无损压缩的动态切换方法
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
WO2026046786A1 (en) * 2024-08-28 2026-03-05 Koninklijke Philips N.V. Compression of time series medical data

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02288739A (ja) * 1989-04-28 1990-11-28 Fujitsu Ltd 音声符号復号化伝送方式
US5361278A (en) * 1989-10-06 1994-11-01 Telefunken Fernseh Und Rundfunk Gmbh Process for transmitting a signal
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
US5557298A (en) * 1994-05-26 1996-09-17 Hughes Aircraft Company Method for specifying a video window's boundary coordinates to partition a video signal and compress its components
KR960704429A (ko) * 1994-05-26 1996-08-31 완다 케이, 덴슨-로우 고해상도 디지탈 스크린 레코더 및 비디오 신호의 기록 방법(High Resolution Digital Screen Recorder and Method)
US6141446A (en) * 1994-09-21 2000-10-31 Ricoh Company, Ltd. Compression and decompression system with reversible wavelets and lossy reconstruction
US6549666B1 (en) * 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
US5881176A (en) * 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US6757437B1 (en) * 1994-09-21 2004-06-29 Ricoh Co., Ltd. Compression/decompression using reversible embedded wavelets
JP3317470B2 (ja) * 1995-03-28 2002-08-26 日本電信電話株式会社 音響信号符号化方法、音響信号復号化方法
US5884269A (en) 1995-04-17 1999-03-16 Merging Technologies Lossless compression/decompression of digital audio data
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
GB2302777B (en) * 1995-06-27 2000-02-23 Motorola Israel Ltd Method of recovering symbols of a digitally modulated radio signal
JP3454394B2 (ja) * 1995-06-27 2003-10-06 日本ビクター株式会社 音声の準可逆符号化装置
JPH0944198A (ja) * 1995-07-25 1997-02-14 Victor Co Of Japan Ltd 音声の準可逆符号化装置
US5839100A (en) * 1996-04-22 1998-11-17 Wegener; Albert William Lossless and loss-limited compression of sampled data signals
TW301103B (en) * 1996-09-07 1997-03-21 Nat Science Council The time domain alias cancellation device and its signal processing method
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
US6493338B1 (en) 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
KR100251453B1 (ko) * 1997-08-26 2000-04-15 윤종용 고음질 오디오 부호화/복호화장치들 및 디지털다기능디스크
US6121904A (en) * 1998-03-12 2000-09-19 Liquid Audio, Inc. Lossless data compression with low complexity
US6029126A (en) * 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
US6141645A (en) * 1998-05-29 2000-10-31 Acer Laboratories Inc. Method and device for down mixing compressed audio bit stream having multiple audio channels
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
US7020605B2 (en) * 2000-09-15 2006-03-28 Mindspeed Technologies, Inc. Speech coding system with time-domain noise attenuation
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
US20030012431A1 (en) * 2001-07-13 2003-01-16 Irvine Ann C. Hybrid lossy and lossless compression method and apparatus
US7146313B2 (en) * 2001-12-14 2006-12-05 Microsoft Corporation Techniques for measurement of perceptual audio quality
US6934677B2 (en) * 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio

Also Published As

Publication number Publication date
DE60322003D1 (de) 2008-08-21
JP2011164638A (ja) 2011-08-25
US20040044521A1 (en) 2004-03-04
JP4778196B2 (ja) 2011-09-21
JP5543939B2 (ja) 2014-07-09
EP1396844A1 (de) 2004-03-10
EP1396844B1 (de) 2008-07-09
JP2004264812A (ja) 2004-09-24
US7424434B2 (en) 2008-09-09

Similar Documents

Publication Publication Date Title
ATE400872T1 (de) Einheitliche verlustbehaftete und verlustfreie komprimierung von audiosignalen
EP2270777A3 (de) Innovationen in reiner verlustfreier Audiokomprimierung
DE60306512D1 (de) Parametrische beschreibung von mehrkanal-audio
ATE389227T1 (de) Beitband sprachkodierung mit parametrischer kodierung des hochfrequenzanteils
MY154633A (en) Multi-resolution switched audio encoding/decoding scheme
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
AU7035298A (en) Method for signalling a noise substitution during audio signal coding
DE602004002390D1 (de) Audiocodierung
DE60331535D1 (de) Kodierung und Dekodierung für mehrkanalige Signale
JP2004264812A5 (de)
ATE302991T1 (de) Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen
DE60317203D1 (de) Audio-kodierung
ATE536615T1 (de) System für die audiokodierung mit füllung von spektralen lücken
DE60318835D1 (de) Parametrische darstellung von raumklang
TR201900227T4 (tr) İnsan tümör nekroz faktörü alfa için özgünlüğü olan antikor molekülleri ve bunların kullanımı.
ATE354160T1 (de) Audiosignalcodierung oder -decodierung
ES2143759T3 (es) Codificador y decodificador de datos de video.
ATE537537T1 (de) Signalkomprimierungsverfahren und -vorrichtung
RU2010138563A (ru) Способ и средство для кодирования информации фонового шума
SE0004818D0 (sv) Enhancing source coding systems by adaptive transposition
ES2180919T3 (es) Metodo y disposicion para codificar una señal de video.
EP4651497A3 (de) Verfahren und vorrichtung zur verarbeitung von videosignalen mit einem verfahren zur dpcm-prädiktion eines blocks
SE0400418L (sv) Förbättrad felmaskering i frekvensdomänen
DE60311891D1 (de) Audiocodierung
KR930003574A (ko) 디지탈 비디오 신호의 복호화 장치

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties