Inclusion of audio signal within video signal, at band edges

Details Inclusion of audio signal within video signal, at band edges Inclusion of audio signal within video signal, at band edges

1995-12-28

1998-06-02

Gregory, Bernarr E.

Cryptography

Key management

Having particular key generator

380 6, 380 7, 380 9, 380 10, H04N 7167, H04L 900

Patent

active

057613036

ABSTRACT:
A system wherein audio samples are added to a video signal, but within the time-frame allocated to video information, thereby displacing video data. Two audio samples are preferably placed in each video line: at the beginning, and at the end. When the video lines are "stacked" to form a video image, the audio forms noisy vertical stripes at the sides of the image, each of which is about 6 percent of the width of the image. The invention stretches the video image, to cover the stripes.

REFERENCES:
patent: 4318125 (1982-03-01), Shutterly

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