WO2009017105A1 - 通信端末、配信システム、変換方法、及びプログラム - Google Patents

通信端末、配信システム、変換方法、及びプログラム Download PDF

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Publication number
WO2009017105A1
WO2009017105A1 PCT/JP2008/063559 JP2008063559W WO2009017105A1 WO 2009017105 A1 WO2009017105 A1 WO 2009017105A1 JP 2008063559 W JP2008063559 W JP 2008063559W WO 2009017105 A1 WO2009017105 A1 WO 2009017105A1
Authority
WO
WIPO (PCT)
Prior art keywords
content information
request
program
connection terminal
distribution system
Prior art date
Application number
PCT/JP2008/063559
Other languages
English (en)
French (fr)
Inventor
Kazunori Ozawa
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to CN200880100057A priority Critical patent/CN101755455A/zh
Priority to US12/669,994 priority patent/US8266251B2/en
Priority to JP2009525400A priority patent/JPWO2009017105A1/ja
Publication of WO2009017105A1 publication Critical patent/WO2009017105A1/ja

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/162—User input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

　端末側でチャネル切り替えやチャネルザッピングをする場合に、待ち時間なく、エンドユーザにストレスを与えることなく、瞬時にチャネル切り替えやチャネルザッピングを可能とする。通信端末１０２は、配信サーバ１０１から伝送路１０４を通じて配信されるコンテンツ情報（例えばストリーム）を受信し、ユーザの操作により入力部１０５で入力された要求（コンテンツ情報の接続要求又は切替要求）に応じて、コンテンツ情報の先頭フレームを非予測フレームへ変換し、当該コンテンツ情報の先頭フレーム以外のフレームをスルーで出力する。
PCT/JP2008/063559 2007-07-30 2008-07-29 通信端末、配信システム、変換方法、及びプログラム WO2009017105A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880100057A CN101755455A (zh) 2007-07-30 2008-07-29 通信终端、分配系统、变换方法以及程序
US12/669,994 US8266251B2 (en) 2007-07-30 2008-07-29 Communication terminal, distribution system, method for conversion and program
JP2009525400A JPWO2009017105A1 (ja) 2007-07-30 2008-07-29 通信端末、配信システム、変換方法、及びプログラム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-197577 2007-07-30
JP2007197577 2007-07-30

Publications (1)

Publication Number Publication Date
WO2009017105A1 true WO2009017105A1 (ja) 2009-02-05

Family

ID=40304335

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063559 WO2009017105A1 (ja) 2007-07-30 2008-07-29 通信端末、配信システム、変換方法、及びプログラム

Country Status (5)

Country Link
US (1) US8266251B2 (ja)
JP (1) JPWO2009017105A1 (ja)
KR (1) KR20100031755A (ja)
CN (1) CN101755455A (ja)
WO (1) WO2009017105A1 (ja)

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* Cited by examiner, † Cited by third party
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US20120114046A1 (en) * 2010-11-10 2012-05-10 Iouri Gordon Transcode video verifier device and method for verifying a quality of a transcoded video file
US20130021512A1 (en) * 2011-07-20 2013-01-24 Broadcom Corporation Framing of Images in an Image Capture Device

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JP2000069426A (ja) * 1998-08-19 2000-03-03 Kdd Corp ディジタル圧縮画像切替装置
JP2002300528A (ja) * 2001-03-30 2002-10-11 Toshiba Corp ビデオストリーム編集方法及び装置
JP2003143587A (ja) * 2001-11-02 2003-05-16 Nippon Telegr & Teleph Corp <Ntt> 番組選択方法、番組選択装置及び番組選択プログラム
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JP2000069426A (ja) * 1998-08-19 2000-03-03 Kdd Corp ディジタル圧縮画像切替装置
JP2002300528A (ja) * 2001-03-30 2002-10-11 Toshiba Corp ビデオストリーム編集方法及び装置
JP2003143587A (ja) * 2001-11-02 2003-05-16 Nippon Telegr & Teleph Corp <Ntt> 番組選択方法、番組選択装置及び番組選択プログラム
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Also Published As

Publication number Publication date
CN101755455A (zh) 2010-06-23
US8266251B2 (en) 2012-09-11
KR20100031755A (ko) 2010-03-24
JPWO2009017105A1 (ja) 2010-10-21
US20100191832A1 (en) 2010-07-29

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