[go: up one dir, main page]

DE60120777D1 - Video- und tontranskodierer - Google Patents

Video- und tontranskodierer

Info

Publication number
DE60120777D1
DE60120777D1 DE60120777T DE60120777T DE60120777D1 DE 60120777 D1 DE60120777 D1 DE 60120777D1 DE 60120777 T DE60120777 T DE 60120777T DE 60120777 T DE60120777 T DE 60120777T DE 60120777 D1 DE60120777 D1 DE 60120777D1
Authority
DE
Germany
Prior art keywords
transcoder
tone
video
tone transcoder
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.)
Expired - Lifetime
Application number
DE60120777T
Other languages
English (en)
Other versions
DE60120777T2 (de
Inventor
Takashi Katayama
Kosuke Nishio
Masaharu Matsumoto
Akihisa Kawamura
Takeshi Fujita
Masahiro Sueyoshi
Kazutaka Abe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60120777D1 publication Critical patent/DE60120777D1/de
Application granted granted Critical
Publication of DE60120777T2 publication Critical patent/DE60120777T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • 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
    • G10L19/0204Speech 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 subband decomposition
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04Time compression or expansion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • H04N21/42646Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334Recording operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4341Demultiplexing of audio and video streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • H04N21/4394Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • H04N21/4398Processing of audio elementary streams involving reformatting operations of audio signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60120777T 2000-09-21 2001-09-20 Video- und tontranskodierer Expired - Lifetime DE60120777T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000286543 2000-09-21
JP2000286543 2000-09-21
PCT/JP2001/008211 WO2002025953A2 (en) 2000-09-21 2001-09-20 Video and audio transcoder

Publications (2)

Publication Number Publication Date
DE60120777D1 true DE60120777D1 (de) 2006-07-27
DE60120777T2 DE60120777T2 (de) 2007-01-25

Family

ID=18770450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60120777T Expired - Lifetime DE60120777T2 (de) 2000-09-21 2001-09-20 Video- und tontranskodierer

Country Status (6)

Country Link
US (1) US7106943B2 (de)
EP (1) EP1366626B1 (de)
KR (1) KR100750523B1 (de)
CN (1) CN1242624C (de)
DE (1) DE60120777T2 (de)
WO (1) WO2002025953A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030108108A1 (en) * 2001-11-15 2003-06-12 Takashi Katayama Decoder, decoding method, and program distribution medium therefor
US7313313B2 (en) * 2002-07-25 2007-12-25 Microsoft Corporation Audio/video synchronization with no clean points
US20070061577A1 (en) * 2003-10-17 2007-03-15 Van De Kerkhof Leon M Signal encoding
KR100539886B1 (ko) * 2004-09-10 2005-12-28 삼성전자주식회사 디지털 방송 수신 장치 및 그 방법
JP2006197391A (ja) * 2005-01-14 2006-07-27 Toshiba Corp 音声ミクシング処理装置及び音声ミクシング処理方法
TWI314722B (en) * 2005-06-30 2009-09-11 Lg Electronics Inc Apparatus for encoding and decoding audio signal and method thereof
JP2007033507A (ja) * 2005-07-22 2007-02-08 Matsushita Electric Ind Co Ltd 音響再生装置
US8880571B2 (en) * 2006-05-05 2014-11-04 Microsoft Corporation High dynamic range data format conversions for digital media
EP1855271A1 (de) * 2006-05-12 2007-11-14 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Wiederkodierung von Signalen
US20080219326A1 (en) * 2007-03-09 2008-09-11 John Santhoff Wireless multimedia link
CN101378512B (zh) * 2007-08-31 2010-11-03 华为技术有限公司 一种音视频数据同步的方法、装置
CN101159698B (zh) * 2007-11-23 2010-12-01 威盛电子股份有限公司 传输数据的方法及系统
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
CN114694065B (zh) * 2022-03-23 2025-11-11 腾讯科技(深圳)有限公司 视频处理方法、装置、计算机设备及存储介质
US20230319344A1 (en) * 2022-03-30 2023-10-05 Sonos, Inc. Media playback systems with auxiliary audiovisual inputs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931934A (en) * 1997-05-02 1999-08-03 Texas Instruments Incorporated Method and apparatus for providing fast interrupt response using a ghost instruction

Also Published As

Publication number Publication date
US7106943B2 (en) 2006-09-12
CN1462558A (zh) 2003-12-17
WO2002025953A3 (en) 2003-09-25
WO2002025953A2 (en) 2002-03-28
CN1242624C (zh) 2006-02-15
DE60120777T2 (de) 2007-01-25
EP1366626B1 (de) 2006-06-14
KR100750523B1 (ko) 2007-08-21
EP1366626A2 (de) 2003-12-03
KR20030032047A (ko) 2003-04-23
US20020034376A1 (en) 2002-03-21

Similar Documents

Publication Publication Date Title
DE60125301D1 (de) Videosignaltranskodierung
FI20001847A7 (fi) Videokoodaus
EP1412378A4 (de) Aptamere und antiaptamere
EP1298180A4 (de) Hydrophobe und lipophobe zusammensetzung
DE50112013D1 (de) Deodorantien und antiperspirantien
DK1370128T3 (da) Kombineret ballepresse og ballevikler
DE60114650D1 (de) Adaptive videobestellung
DE60136156D1 (de) Lautsprecher
DK1339292T3 (da) Sammensætning og fremgangsmåde
DE69921271D1 (de) Inhaltsbezogene Audio/Videocodierungsvorrichtung
GB0004423D0 (en) Video and audio coding
DE60139475D1 (de) Mehrfrequenz-antennenweiche
FI20001993A0 (fi) Puhelinneuvottelu
DE60139763D1 (de) Lanzen und -tieren
DE60044096D1 (de) Videokodierung und -dekodierung
DE60123168D1 (de) MPEG-Dekoder
DE60120777D1 (de) Video- und tontranskodierer
DE69913976D1 (de) Sprachparameter-kompression
EP1345331A4 (de) Codierer und decodierer
EP1447978A4 (de) Videosynthesizer
DE60028486D1 (de) Videocoder und -decoder
DE60034856D1 (de) Digitalvideokodierungsverfahren und -vorrichtung
DE69902778D1 (de) Lautsprecherapparat und fernsehgerät
DE60125084D1 (de) Lautsprecher
EP1315301A4 (de) Dekodieranordnung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP