JP5205355B2 - デュアル伝送ストリームの生成装置及びその方法 - Google Patents
デュアル伝送ストリームの生成装置及びその方法 Download PDFInfo
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- JP5205355B2 JP5205355B2 JP2009233605A JP2009233605A JP5205355B2 JP 5205355 B2 JP5205355 B2 JP 5205355B2 JP 2009233605 A JP2009233605 A JP 2009233605A JP 2009233605 A JP2009233605 A JP 2009233605A JP 5205355 B2 JP5205355 B2 JP 5205355B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
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- H04N7/015—High-definition television systems
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/0064—Concatenated codes
- H04L1/0066—Parallel concatenated codes
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- H—ELECTRICITY
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/0067—Rate matching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/007—Unequal error protection
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- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0084—Formats for payload data
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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
- H04N19/60—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
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
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- 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
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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]
- H04N21/40—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
Description
VSBシステムのノーマルデータにローバストデータを追加して、デュアルストリームを形成して送信できるように構成された方式であって、既存のノーマルデータにローバストデータを共に送信する。
プログラムクロックレファレンス(PCR)は(6バイト使用):52n+15,n=0
オリジナルプログラムクロックレファレンス(OPCR)は(6バイト使用):52n+15,n=1
適応フィールド拡張長は(2バイト使用):52n+15,n=2
送信プライベートデータ長は(5バイト使用):52n+15,n=3,4,5
マクロブロック数は(1バイト使用):52n+15,n=0,1,2,3,4,5
したがって、PCRパケットは、デュアル伝送ストリームの第15番目のパケットに位置でき、OPCRパケットは、第67番目のパケットに位置でき、送信プライベートデータ長パケットは、第171、第223、第275番目のパケットに配置されうる。
12 リードソロモン符号化器(Reed−Solomon encoder)
13 インタリーバ
14 トレリス符号化器(2/3 rate trellis encoder)
15 多重化部
16 変調部
21 復調部
22 等化部
23 ビタビ復号器
24 デインタリーバ
25 RS復号器
26 逆ランダム化部
110 アダプター部
120 スタッファ部
130 リードソロモン符号化器
140 インタリーバ
150 デュプリケイター
Claims (8)
- 付加データストリームを受信し、RSエンコードを行ってパリティを付加するRSエンコーダと、
前記RSエンコードされた付加データストリームに予め設定されたバイトを挿入することにより、パリティを挿入するためのパリティ挿入領域を設けるデュプリケイターと、
エラーに強健に処理された前記付加データストリームをノーマルデータストリーム内に挿入して伝送ストリームを構成するスタッファ部と、を含み、
前記伝送ストリームは、
一つのフィールド単位内で付加データストリームパケット及びノーマルデータストリームパケットが混在された形態であり、
前記付加データストリームに設けられたパリティ挿入領域にパリティが付加されることを特徴とする伝送ストリーム生成装置。 - 前記伝送ストリームは、
付加データストリームパケット及びノーマルデータストリームパケットが交互に反復配置されたものであることを特徴とする請求項1に記載の伝送ストリーム生成装置。 - 前記伝送ストリームは、
交互に反復配置される付加データストリームパケット及びノーマルデータストリームパケットが、予め設定された周期毎に繰り返される形態であることを特徴とする請求項1に記載の伝送ストリーム生成装置。 - 前記伝送ストリームをRS符号化するRS符号化部と、
前記RS符号化された伝送ストリームをインターリービングするインターリービング部と、を更に含み、
前記インターリービングされた伝送ストリームは、
一つのフィールド単位内で、付加データストリームパケット、付加データとノーマルデータを含むパケット、及びノーマルデータストリームパケットが混在された形態であることを特徴とする請求項1に記載の伝送ストリーム生成装置。 - (a)付加データストリームを受信し、RSエンコードを行ってパリティを付加するステップと、
(b)前記RSエンコードされた付加データストリームに予め設定されたバイトを挿入することにより、パリティを挿入するためのパリティ挿入領域を設けるステップと、
(c)エラーに強健に処理された前記付加データストリームをノーマルデータストリーム内に挿入して伝送ストリームを構成するステップと、を含み、
前記伝送ストリームは、
一つのフィールド単位内で付加データストリームパケット及びノーマルデータストリームパケットが混在された形態であり、
前記付加データストリームに設けられたパリティ挿入領域にパリティが付加されることを特徴とする伝送ストリーム生成方法。 - 前記伝送ストリームは、
付加データストリームパケット及びノーマルデータストリームパケットが交互に反復配置されたものであることを特徴とする請求項5に記載の伝送ストリーム生成方法。 - 前記伝送ストリームは、
交互に反復配置される付加データストリームパケット及びノーマルデータストリームパケットが、予め設定された周期毎に繰り返される形態であることを特徴とする請求項5に記載の伝送ストリーム生成方法。 - 前記伝送ストリームをRS符号化するステップと、
前記RS符号化された伝送ストリームをインターリービングするステップと、を更に含み、
前記インターリービングされた伝送ストリームは、
一つのフィールド単位内で、付加データストリームパケット、付加データとノーマルデータを含むパケット、及びノーマルデータストリームパケットが混在された形態であることを特徴とする請求項5に記載の伝送ストリーム生成方法。
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
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US72877705P | 2005-10-21 | 2005-10-21 | |
US60/728,777 | 2005-10-21 | ||
US73429505P | 2005-11-08 | 2005-11-08 | |
US60/734,295 | 2005-11-08 | ||
US73805005P | 2005-11-21 | 2005-11-21 | |
US60/738,050 | 2005-11-21 | ||
US73944805P | 2005-11-25 | 2005-11-25 | |
US60/739,448 | 2005-11-25 | ||
US78870706P | 2006-04-04 | 2006-04-04 | |
US60/788,707 | 2006-04-04 | ||
KR1020060068057A KR100740202B1 (ko) | 2005-10-21 | 2006-07-20 | 듀얼 전송 스트림 생성 장치 및 그 방법 |
KR10-2006-0068057 | 2006-07-20 |
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JP2008536512A Division JP5312944B2 (ja) | 2005-10-21 | 2006-10-20 | デュアル伝送ストリームの生成装置及びその方法 |
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JP2010004579A JP2010004579A (ja) | 2010-01-07 |
JP5205355B2 true JP5205355B2 (ja) | 2013-06-05 |
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JP2008536512A Expired - Fee Related JP5312944B2 (ja) | 2005-10-21 | 2006-10-20 | デュアル伝送ストリームの生成装置及びその方法 |
JP2009233605A Expired - Fee Related JP5205355B2 (ja) | 2005-10-21 | 2009-10-07 | デュアル伝送ストリームの生成装置及びその方法 |
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US (2) | US8594139B2 (ja) |
JP (2) | JP5312944B2 (ja) |
KR (1) | KR100740202B1 (ja) |
CN (2) | CN101292526B (ja) |
CA (2) | CA2680190C (ja) |
WO (1) | WO2007046670A1 (ja) |
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CA2625353A1 (en) | 2007-04-26 |
US8594139B2 (en) | 2013-11-26 |
CA2680190A1 (en) | 2007-04-26 |
CN101292526A (zh) | 2008-10-22 |
US20070091916A1 (en) | 2007-04-26 |
CA2625353C (en) | 2014-05-13 |
CN101292526B (zh) | 2012-12-05 |
CN101729842A (zh) | 2010-06-09 |
US8050298B2 (en) | 2011-11-01 |
JP5312944B2 (ja) | 2013-10-09 |
JP2010004579A (ja) | 2010-01-07 |
KR20070043583A (ko) | 2007-04-25 |
KR100740202B1 (ko) | 2007-07-18 |
US20090103599A1 (en) | 2009-04-23 |
CN101729842B (zh) | 2013-08-07 |
CA2680190C (en) | 2016-08-23 |
JP2009526414A (ja) | 2009-07-16 |
WO2007046670A1 (en) | 2007-04-26 |
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