Stereo/multivoice recording and reproducing video tape recorder

Details Stereo/multivoice recording and reproducing video tape recorder Stereo/multivoice recording and reproducing video tape recorder

1992-01-31

1994-08-09

Shepperd, John

Dynamic magnetic information storage or retrieval

Modulating or demodulating

Frequency

381 3, 381 4, 381 13, 348485, 348738, G11B 2006, H04N 704, H04N 560, H04H 500

Patent

active

053371968

ABSTRACT:
A stereo/multivoice recording and reproducing apparatus used for a high fidelity video tape recorder comprises a multi-channel television system (MTS) decoder for demodulating stereo and multivoice signals included in an IF signal supplied from a tuner, a high fidelity audio processor for frequency-modulating the stereo signal output from a MTS decoder, left and right channel heads for recording the stereo signal frequency-modulated in the high fidelity audio processor, a second audio processor for amplifying the multivoice signal from the MTS decoder, and a third audio head for recording the multivoice signal amplified in the second audio processor. According to one aspect of the invention, the apparatus can simultaneously record stereo and multivoice signal and selectively reproduce one of the stereo signal and the multivoice signal.

REFERENCES:
patent: 4716589 (1987-12-01), Matsui
patent: 4866775 (1989-09-01), Katakura
Radio-Electronics--Service Clinic, Jack Darr, pp. 88-89, Jun., 1985.
IEEE Transactions on Consumer Electronics, vol. 34, No. 3, dated Aug., 1988, BTSC TV Multichannel Sound Decoder Including Digital Expander, pp. 634-641.

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