Audio/video storage and retrieval for multimedia workstations by

Details Audio/video storage and retrieval for multimedia workstations by Audio/video storage and retrieval for multimedia workstations by

Filed on

1992-07-16

Date issued

1997-04-22

Examiner

Herndon, Heather R.

Other Related Categories

G11B 2702

Type

Patent

Status

active

Patent number

056236905

Description

ABSTRACT:
An apparatus and method for storing and retrieving synchronized audio/video "filmclips" to and from a data file of a multimedia computer workstation includes a storage means for a workstation to store audio and video data as digital data packets to the data file, and retrieval means for the workstation to retrieve audio and video data from the data file. The video data is presented as an image on the display of the workstation, while the audio data is sent to either amplified speakers or headphones. An audio data stream is stored to the data file such that the audio data can be retrieved from the data file and reconstructed into a continuous audio signal. The video data is stored to the data file such that each frame of video data is inserted into the stored audio data stream without affecting the continuity of the audio signal reconstructed by the workstation. Timing information is attached to each frame of video data stored to the file, and indicates a point in the continuous audio data stream which corresponds in time to the frame of video data. A synchronizer displays a frame of video data when the point in the audio data stream, corresponding to the timing information of the retrieved video frame is audibly reproduced by the workstation.

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