Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1991-12-13
1993-06-15
Weinhardt, Robert A.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358342, 3692753, G11B 7007, H04N 585
Patent
active
052204340
ABSTRACT:
A video record medium, such as a record disc, for recording a composite video and audio signal suitable for stop-motion playback, with accompanying audio. Discrete segments of an analog audio signal are digitized and compressed in time and recorded on alternate tracks on the disc, and corresponding frames of a video signal are recorded on the tracks located therebetween. During playback of the disc, a selected audio track is scanned initially and the digital audio data recovered therefrom is entered into a memory device, after which the track for recording the corresponding video frame is scanned in a repeated fashion, to produce a stop-motion display of the frame, while the stored audio data is extracted from the memory device and converted back to an analog format, for simultaneous playback at its original speed.
REFERENCES:
patent: 3909512 (1975-09-01), Omori et al.
patent: 4332022 (1982-05-01), Ceshkovsky et al.
patent: 4959734 (1990-09-01), Foster
Kenney, "Special Purpose Applications of the Optical Video Disc System", pp. 327-337 IEEE Transactions on Consumer Electronics 1976.
Ludeman, "Extended Audio-Video System" IBM Technical Disclosure Bulletin vol. 19, No. 5 Oct. 1976.
Discovision Associates
Weinhardt Robert A.
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