Invention Grant
US08406288B2 Methods for reducing channel change times in a digital video apparatus 有权
用于减少数字视频设备中的频道改变时间的方法

  • Patent Title: Methods for reducing channel change times in a digital video apparatus
  • Patent Title (中): 用于减少数字视频设备中的频道改变时间的方法
  • Application No.: US12226299
    Application Date: 2006-12-18
  • Publication No.: US08406288B2
    Publication Date: 2013-03-26
  • Inventor: Jiwang DaiGlenn Lawrence CashAlan Jay Stein
  • Applicant: Jiwang DaiGlenn Lawrence CashAlan Jay Stein
  • Applicant Address: FR Boulogne Billancourt
  • Assignee: Thomson Licensing
  • Current Assignee: Thomson Licensing
  • Current Assignee Address: FR Boulogne Billancourt
  • Agent Robert D. Shedd; Paul P. Kiel
  • International Application: PCT/US2006/048215 WO 20061218
  • International Announcement: WO2007/120245 WO 20071025
  • Main IPC: H04N7/12
  • IPC: H04N7/12 H04N9/475
Methods for reducing channel change times in a digital video apparatus
Abstract:
A digital video apparatus provides reduced channel change times. According to an exemplary embodiment, the digital video apparatus includes at least one receiver for receiving first and second video streams representing the same program, wherein the first video stream has at least one characteristic different from the second video stream; a first signal processor for processing the first video stream to generate a first processed video stream; a second signal processor for processing the second video stream to generate a second processed video stream having a delay with respect to the first processed video stream; a renderer for rendering the second processed video stream responsive to a channel change command; and a switch for switching from the second processed video stream to the first processed video stream after the renderer begins rendering the second processed video stream, and thereby causing the renderer to begin rendering the first processed video stream.
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