Noise elimination circuit for reproduction of audio signals in a

Details Noise elimination circuit for reproduction of audio signals in a Noise elimination circuit for reproduction of audio signals in a

1981-07-14

1989-06-27

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record editing

360 30, H04N 578, G11B 504, G11B 1512

Patent

active

048434884

ABSTRACT:
In a magnetic recording and reproducing apparatus in which a frequency-modulated video signal and a frequency-modulated audio signal are frequency-multiplexed and the frequency-multiplexed signal is recorded on video tracks of a magnetic tape, and the recorded signal is reproduced, a noise produced in the audio signal due to video track switching in the signal reproduction is eliminated by holding the audio signal for a period of noise duration.

REFERENCES:
patent: 3099708 (1963-07-01), Smith
patent: 3346702 (1967-10-01), Heizer et al.
patent: 3553390 (1971-01-01), Krause
patent: 3911476 (1975-10-01), Keizer
patent: 4021852 (1977-05-01), Huist et al.
patent: 4403262 (1983-09-01), Ito et al.

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