Apparatus for recording a digital audio signal in a track with a

Details Apparatus for recording a digital audio signal in a track with a Apparatus for recording a digital audio signal in a track with a

1982-02-05

1984-10-16

McElheny, Jr., Donald E.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 191, 360 32, 360 381, H04N 5782

Patent

active

044778449

ABSTRACT:
Apparatus for recording and reproducing an information signal comprised of a video signal and an audio signal in a plurality of tracks extending obliquely on a magnetic tape includes a sample and hold circuit, an analog-to-digital converter and an encoder for converting the audio signal to a pulse code modulation (PCM) audio signal; a time base compression circuit for compressing the PCM audio signal; and two rotary magnetic heads for recording the compressed PCM audio signal in the plurality of tracks, each of the tracks being divided into a first leading audio track section, a contral video track section and a trailing audio track section, with the two heads recording one field interval of the video signal in the central track section of each track and recording the audio signal corresponding to one field interval of the video signal recorded in an adjacent track, in the first and second audio track sections of each track such that odd samples of the audio signal are recorded in each first leading audio track section and even samples of the audio signal are recorded in each second trailing audio track section.

REFERENCES:
patent: 4303950 (1981-12-01), Taniguchi et al.
patent: 4353098 (1982-10-01), Heinz et al.
patent: 4390906 (1983-06-01), Furumoto et al.
patent: 4392162 (1983-07-01), Yamamoto

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