Media pipeline system

Details Media pipeline system Media pipeline system

H - Electricity

04

N

H04N 5/781 (2006.01) G11B 27/00 (2006.01) G11B 27/034 (2006.01) G11B 27/10 (2006.01) H04N 5/93 (2006.01) H04N 7/24 (2006.01) H04N 7/52 (2006.01) H04N 9/80 (2006.01) H04N 9/802 (2006.01)

Patent

CA 2071975

The invention is a data pipeline system (10) which synchronizes the display of digitized audio and video data regardless of the speed at which the data was recorded on its linear medium (12). To do this, the video data is played at a constant speed, syn- chronized by the audio speed. Further, the invention uses a method of "staging" data in storage buffers, i.e., ring buffers (18), which encorages efficient use of the viewer module resources by not permitting the viewer to read excessive amounts of data at any one time, i.e., to read only enough data into any one ring buffer (18) so that the amount of data in the ring buffer (18) is roughly equivalent to the amount of the other ring buffers (18) and yet permitting the viewer to read large enough chunks of data to promote efficient use of the fill system.

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