JP2011504309A5 - - Google Patents

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Publication number
JP2011504309A5
JP2011504309A5 JP2010528905A JP2010528905A JP2011504309A5 JP 2011504309 A5 JP2011504309 A5 JP 2011504309A5 JP 2010528905 A JP2010528905 A JP 2010528905A JP 2010528905 A JP2010528905 A JP 2010528905A JP 2011504309 A5 JP2011504309 A5 JP 2011504309A5
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Japan
Prior art keywords
preamble
packets
data
packet
stream
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JP2010528905A
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JP5232865B2 (ja
JP2011504309A (ja
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Priority claimed from PCT/US2008/011711 external-priority patent/WO2009051693A2/en
Publication of JP2011504309A publication Critical patent/JP2011504309A/ja
Publication of JP2011504309A5 publication Critical patent/JP2011504309A5/ja
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Claims (18)

  1. プリアンブルパケットをビデオストリームに挿入して、前記プリアンブルパケットの後続処理の影響を低減する方法であって、
    データパケットのストリームを受信するステップと、
    複数のプリアンブルパケットを前記データパケットのストリームに挿入するステップとを含み、
    前記挿入するステップは、畳み込みインタリーブを使用した、結果として得られるデータパケットのストリームに含まれるデータのインタリーブの前に実行され、
    前記プリアンブルパケットの時間的な長さは、前記畳み込みインタリーブの最大遅延に対応して選択される、方法。
  2. 前記畳み込みインタリーブは、ATSC A/53処理経路の一部として実行される、
    請求項1記載の方法。
  3. 前記データパケットのストリームは、MPEGパケットを含む、
    請求項1記載の方法。
  4. 前記複数のプリアンブルパケットは、MPEGパケットを含む、
    請求項1記載の方法。
  5. レートモードの符号化前の前記プリアンブルパケットの数は12であり、前記プリアンブルパケットは、2データブロックの長さのプリアンブルを生成するため、12/52レートモードで符号化される、
    請求項1記載の方法。
  6. 前記複数のプリアンブルパケットに含まれるデータは、多項式に基づいて発生された擬似雑音を含む、
    請求項1記載の方法。
  7. 前記プリアンブルパケットは、前記パケットをレガシーレシーバに無視させるパケット識別子をもつヘッダを有する、
    請求項1記載の方法。
  8. 前記畳み込みインタリーブは、ATSC A/52畳み込みバイトインタリーバである、
    請求項1記載の方法。
  9. 前記インタリーブにより、インタリーブされたデータの104のセグメントを通して分散されるプリアンブルデータが得られる、
    請求項1記載の方法。
  10. データパケットのストリームを受信する手段と、
    複数のプリアンブルパケットを前記データパケットのストリームに挿入する手段とを有する装置であって、
    前記複数のプリアンブルパケットを挿入する手段は、畳み込みインタリーブを使用して、結果として得られるデータパケットのストリームに含まれるデータをインタリーブする更なる手段による動作の前に前記データストリームに作用し、
    前記プリアンブルパケットの数は、前記畳み込みインタリーブの最大遅延に対応して選択される、装置。
  11. 前記畳み込みインタリーブは、ATSC A/53処理経路の一部として実行される、
    請求項10記載の装置。
  12. 前記データパケットのストリームは、MPEGパケットを含む、
    請求項10記載の装置。
  13. 前記複数のプリアンブルパケットは、MPEGパケットを含む、
    請求項10記載の装置。
  14. レートモードの符号化前の前記プリアンブルパケットの数は12であり、前記プリアンブルパケットは、2データブロックの長さのプリアンブルを生成するため、12/52レートモードで符号化される、
    請求項10記載の装置。
  15. 前記複数のプリアンブルパケットに含まれるデータは、多項式に基づいて発生された擬似雑音を含む、
    請求項10記載の装置。
  16. 前記プリアンブルパケットは、前記パケットをレガシーレシーバに無視させるパケット識別子をもつヘッダを有する、
    請求項10記載の装置。
  17. 前記パケットインタリーバは、ATSC A/52畳み込みバイトインタリーバである、
    請求項10記載の装置。
  18. 前記パケットインタリーバは、インタリーブされたデータの104のセグメントを通してプリアンブルデータを分散させる、
    請求項10記載の装置。
JP2010528905A 2007-10-15 2008-10-14 デジタルテレビジョンシステムのプリアンブル Expired - Fee Related JP5232865B2 (ja)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US99897807P 2007-10-15 2007-10-15
US99904007P 2007-10-15 2007-10-15
US99896107P 2007-10-15 2007-10-15
US60/998,961 2007-10-15
US60/999,040 2007-10-15
US60/998,978 2007-10-15
US19051708P 2008-08-29 2008-08-29
US19051608P 2008-08-29 2008-08-29
US19049908P 2008-08-29 2008-08-29
US61/190,516 2008-08-29
US61/190,499 2008-08-29
US61/190,517 2008-08-29
PCT/US2008/011711 WO2009051693A2 (en) 2007-10-15 2008-10-14 Preamble for a digital television system

Publications (3)

Publication Number Publication Date
JP2011504309A JP2011504309A (ja) 2011-02-03
JP2011504309A5 true JP2011504309A5 (ja) 2011-11-04
JP5232865B2 JP5232865B2 (ja) 2013-07-10

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Family Applications (2)

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JP2010529928A Active JP5331814B2 (ja) 2007-10-15 2008-10-14 バーストモードアクティビティを通信する装置および方法
JP2010528905A Expired - Fee Related JP5232865B2 (ja) 2007-10-15 2008-10-14 デジタルテレビジョンシステムのプリアンブル

Family Applications Before (1)

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JP2010529928A Active JP5331814B2 (ja) 2007-10-15 2008-10-14 バーストモードアクティビティを通信する装置および方法

Country Status (8)

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US (2) US9414110B2 (ja)
EP (2) EP2201692A2 (ja)
JP (2) JP5331814B2 (ja)
KR (2) KR101513283B1 (ja)
CN (3) CN101828334B (ja)
CA (2) CA2701642C (ja)
MX (2) MX2010004148A (ja)
WO (2) WO2009051693A2 (ja)

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