Method and apparatus for freehand annotation and drawings incorp

Details Method and apparatus for freehand annotation and drawings incorp Method and apparatus for freehand annotation and drawings incorp

1996-04-30

1998-06-16

Burwell, Joseph R.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395804, 345302, G06F 1700

Patent

active

057686076

ABSTRACT:
A method and apparatus creates and plays objects and sound synchronously after eliminating the silent segments of the sound. The method inserts sequence marks into the object and sound data, deletes silent segments of the sound data including the sequence marks that reside in the silent segments, and re-inserts the last deleted sequence mark back into the sound data. In so doing, the system detects the silent segments of the recorded sound stream data and deletes the silent portions from the recorded data. Upon replay of an object and its associated sound, any drawing done during the silent segments are played at the computer's full graphics drawing speed, only slowing down to real-time again when more sounds are encountered. Thus, the system plays "fast while silent" and slows to real-time when sounds are played. This saves the space required to stored the recorded sound, and the user does not have to wait through the silent periods.

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