Method of recording and reproducing visual information in audio

Details Method of recording and reproducing visual information in audio Method of recording and reproducing visual information in audio

1982-09-30

1985-05-21

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Recorder control of an external device

360 32, 360 331, 358335, G11B 3100, H04N 5782

Patent

active

045190089

ABSTRACT:
A method of recording visual information such as words of a song in an audio recording medium and reproducing the same is provided. Picture information obtained through a TV camera is quantized into pulse signals. Using these pulse signals, a sine wave signal having an audio frequency band is modulated. Further, synchronizing signals are added to the modulated signal at predetermined intervals to form a character signal. Said character signal is recorded in one of the two channels of an audio recording medium where as a musical accompaniment is recorded in another channel. When played, such character signal is reproduced on a display screen such that a user can read the words to sing the song to the simultaneously reproduced accompaniment.

REFERENCES:
patent: 3680077 (1972-07-01), Hoberecht
patent: 3913135 (1975-10-01), Damlamian
patent: 3919716 (1975-11-01), Yumde et al.
patent: 4016361 (1977-04-01), Pandey
patent: 4423444 (1983-12-01), Humphreys

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