JPWO2007000874A1 - 補間装置 - Google Patents
補間装置 Download PDFInfo
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- JPWO2007000874A1 JPWO2007000874A1 JP2007523374A JP2007523374A JPWO2007000874A1 JP WO2007000874 A1 JPWO2007000874 A1 JP WO2007000874A1 JP 2007523374 A JP2007523374 A JP 2007523374A JP 2007523374 A JP2007523374 A JP 2007523374A JP WO2007000874 A1 JPWO2007000874 A1 JP WO2007000874A1
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- 230000005236 sound signal Effects 0.000 claims abstract description 105
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 230000006866 deterioration Effects 0.000 abstract description 14
- 239000000284 extract Substances 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 16
- 230000015654 memory Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
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- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
- H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2368—Multiplexing of audio and video streams
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- 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
- H04N21/434—Disassembling 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
-
- 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
- H04N21/434—Disassembling 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
- H04N21/4341—Demultiplexing of audio and video streams
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- H04N21/44—Processing 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
- H04N21/4402—Processing 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
- H04N21/440245—Processing 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 the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Television Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
補間制御部9は、番組仕様情報PSIの内容を解析することで、サイマル放送を受信中にユーザ等により選択されている階層(高品質テレビジョンや標準テレビジョンのチャンネル)を特定する。更に、補間制御部9は、DEMUX部4がトランスポートストリームTSを映像PESと音声PES等に分離する際に出力するエラーフラグEFGと、ビデオデコーダ部5とオーディオデコーダ部6から出力される映像エラー検出信号CRCvと音声エラー検出信号CRCaとを入力し、エラーフラグEFGと映像エラー検出信号CRCvのエラー信号情報(映像エラー検出信号CRCvに含まれているエラー情報を示す信号)から、デコードされた映像信号Hv中のエラーが生じている期間τvを検出し、更に、エラーフラグEFGと音声エラー検出信号CRCaのエラー信号情報(映像エラー検出信号CRCaに含まれているエラー情報を示す信号)から、デコードされた音声信号Ha中のエラーが生じている期間τaを検出する。
Claims (5)
- サイマル放送を受信する受信機から出力される映像信号に含まれるエラー信号を補間する補間装置であって、
前記受信機が受信再生中の階層の番組の映像信号に含まれるエラー信号を検出すると共に、前記受信再生中の階層の番組の映像信号の番組仕様情報と簡易動画の階層の番組仕様情報を取得し、前記検出したエラー信号の期間を示す切替期間制御信号と、前記番組仕様情報を示す映像関連信号を出力する補間制御手段と、
前記切替期間制御信号と前記映像関連信号とに基づいて、前記エラー信号の期間に相当する前記簡易動画の映像信号を抽出すると共に、抽出した簡易動画の映像信号を前記受信再生中の階層の番組の映像信号のフォーマットに合わせるフォーマット変換を行うことで補間映像信号を生成し、前記エラー信号の期間において、前記補間映像信号で前記受信再生中の階層の番組の映像信号に含まれるエラー信号を補間する補間手段と、
を具備することを特徴とする補間装置。 - 前記補間手段は、前記番組仕様情報に含まれる画素サイズとフレームレート又はフィールドレートに関するフォーマット情報に基づいて、前記エラー信号の期間に相当する前記簡易動画の映像信号を前記受信再生中の階層の番組の映像信号のフォーマットに合わせるフォーマット変換を行って、前記補間映像信号を生成することを特徴とする請求項1に記載の補間装置。
- サイマル放送を受信する受信機から出力される音声信号に含まれるエラー信号を補間する補間装置であって、
前記受信機が受信再生中の階層の番組の音声信号に含まれるエラー信号を検出すると共に、前記受信再生中の階層の番組の音声信号の番組仕様情報と簡易動画の階層の番組仕様情報を取得し、前記検出したエラー信号の期間を示す切替期間制御信号と、前記番組仕様情報を示す音声関連信号を出力する補間制御手段と、
前記切替期間制御信号と前記音声関連信号とに基づいて、前記エラー信号の期間に相当する前記簡易動画の音声信号を抽出すると共に、抽出した簡易動画の音声信号を前記受信再生中の階層の番組の音声信号のフォーマットに合わせるフォーマット変換を行うことで補間音声信号を生成し、前記エラー信号の期間において、前記補間音声信号で前記受信再生中の階層の番組の音声信号に含まれるエラー信号を補間する補間手段と、
を具備することを特徴とする補間装置。 - 前記補間手段は、前記番組仕様情報に含まれるオーディオ方式に関するフォーマット情報に基づいて、前記エラー信号の期間に相当する前記簡易動画の音声信号を前記受信再生中の階層の番組の音声信号のフォーマットに合わせるフォーマット変換を行って、前記補間音声信号を生成することを特徴とする請求項3に記載の補間装置。
- 請求項1に記載の前記補間制御手段及び補間手段と、請求項3に記載の前記補間制御手段及び補間手段とを有することを特徴とする補間装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005186249 | 2005-06-27 | ||
JP2005186249 | 2005-06-27 | ||
PCT/JP2006/311242 WO2007000874A1 (ja) | 2005-06-27 | 2006-06-05 | 補間装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007000874A1 true JPWO2007000874A1 (ja) | 2009-01-22 |
JP4505020B2 JP4505020B2 (ja) | 2010-07-14 |
Family
ID=37595129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007523374A Expired - Fee Related JP4505020B2 (ja) | 2005-06-27 | 2006-06-05 | 補間装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1898647A4 (ja) |
JP (1) | JP4505020B2 (ja) |
WO (1) | WO2007000874A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4970059B2 (ja) * | 2007-01-09 | 2012-07-04 | 三菱電機株式会社 | デジタル放送受信装置 |
JP4929200B2 (ja) * | 2008-02-13 | 2012-05-09 | パイオニア株式会社 | 受信装置、音声再生方法、音声再生プログラム及びその記録媒体 |
JP2013535921A (ja) * | 2010-08-06 | 2013-09-12 | トムソン ライセンシング | 信号を受信する装置および方法 |
US9554438B2 (en) * | 2013-12-11 | 2017-01-24 | Revolution Display, Llc | Lighting integration into video and power stream |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1093981A (ja) * | 1996-07-17 | 1998-04-10 | Sony Corp | 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、伝送方法、並びに記録媒体 |
JP2002141877A (ja) * | 2000-08-25 | 2002-05-17 | Sony Corp | デジタル放送送受信システム及びデジタル放送受信装置 |
JP2003273824A (ja) * | 2002-03-13 | 2003-09-26 | Toshiba Corp | 階層選択出力装置及びパケット処理方法 |
JP2003274303A (ja) * | 2002-03-18 | 2003-09-26 | Sony Corp | ディジタル放送受信装置、車載装置、ディジタル放送受信の案内方法、ディジタル放送受信の案内方法のプログラム及びディジタル放送受信の案内方法のプログラムを記録した記録媒体 |
JP2005167557A (ja) * | 2003-12-02 | 2005-06-23 | Casio Comput Co Ltd | 放送受信装置、および、表示制御方法 |
JP2005167915A (ja) * | 2003-12-05 | 2005-06-23 | Fujitsu Ten Ltd | ディジタル放送受信装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3565594B2 (ja) | 1994-12-14 | 2004-09-15 | 松下電器産業株式会社 | 誤り修正装置 |
JP2003134064A (ja) * | 2001-10-26 | 2003-05-09 | Hitachi Ltd | デジタル放送補完方法およびデジタル放送受信システム |
WO2004070986A2 (en) * | 2003-01-28 | 2004-08-19 | Thomson Licensing S.A. | Robust mode staggercasting |
-
2006
- 2006-06-05 WO PCT/JP2006/311242 patent/WO2007000874A1/ja active Application Filing
- 2006-06-05 EP EP06756988A patent/EP1898647A4/en not_active Withdrawn
- 2006-06-05 JP JP2007523374A patent/JP4505020B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1093981A (ja) * | 1996-07-17 | 1998-04-10 | Sony Corp | 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、伝送方法、並びに記録媒体 |
JP2002141877A (ja) * | 2000-08-25 | 2002-05-17 | Sony Corp | デジタル放送送受信システム及びデジタル放送受信装置 |
JP2003273824A (ja) * | 2002-03-13 | 2003-09-26 | Toshiba Corp | 階層選択出力装置及びパケット処理方法 |
JP2003274303A (ja) * | 2002-03-18 | 2003-09-26 | Sony Corp | ディジタル放送受信装置、車載装置、ディジタル放送受信の案内方法、ディジタル放送受信の案内方法のプログラム及びディジタル放送受信の案内方法のプログラムを記録した記録媒体 |
JP2005167557A (ja) * | 2003-12-02 | 2005-06-23 | Casio Comput Co Ltd | 放送受信装置、および、表示制御方法 |
JP2005167915A (ja) * | 2003-12-05 | 2005-06-23 | Fujitsu Ten Ltd | ディジタル放送受信装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4505020B2 (ja) | 2010-07-14 |
EP1898647A4 (en) | 2010-06-16 |
WO2007000874A1 (ja) | 2007-01-04 |
EP1898647A1 (en) | 2008-03-12 |
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