Algorithm to print DV data to a DV deck with frame accuracy

Details Algorithm to print DV data to a DV deck with frame accuracy Algorithm to print DV data to a DV deck with frame accuracy

2006-11-14

2006-11-14

Nguyen, Huy (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

07136570

ABSTRACT:
DV data is streamed to a DV device without losing the leading section of the streaming data, and in a frame-accurate manner by sending a command to the DV device for performing an absolute track number search for a selected track number. A predetermined number of frames of DV data are then pre-rolled. The predetermined number of frames that are pre-rolled depends on the particular DV device. Next, a command is sent to the DV device to place the DV device in a RECORD PAUSE state, and a wait operation of a predetermined period of time is performed. The wait operation of a predetermined number of frames is also based on the particular DV device. A command is sent to the DV device to place the DV device in a RECORD transport state, and DV data is sent to the DV device for recording.

REFERENCES:
patent: 4363049 (1982-12-01), Ohtsuki et al.
patent: 5903702 (1999-05-01), Sugiyama et al.
patent: 5969897 (1999-10-01), Morita
patent: 6628889 (2003-09-01), Inoue
patent: 2003/0134590 (2003-07-01), Suda et al.
http://www.microsoft.com/DIRECTX/dxm/help/ds/Oview/About—DS—Filter—Graph—Editor.ht. About the DirectShow Filter Graph Editor, pp. 1-3, Aug. 5, 2001.
http://msdn.microsoft.com/library/en-us/dnshow/html/dysupport.asp?frame=true, Digital Video Camcorder Support in Windows 98 and Windows 2000, pp. 1-12, Mar. 19, 1999.

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