Sound reproducer for high definition television

Details Sound reproducer for high definition television Sound reproducer for high definition television

1991-08-30

1993-01-05

Ng, Jin F.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 22, H04R 500

Patent

active

051777983

ABSTRACT:
A sound reproducer is disclosed for a Hi-vision 3-1 sound system composed of an audio signal decoding unit coupled with an AV amplifier, which amplifier has a surround processor and is originally arranged for reproducing surrounding sounds from two-channel stereophonic audio signals of the Dolby.RTM. surround system, wherein volume controllers for controlling right and left rear Hi-vision audio signals of monaural and a center front Hi-vision audio signal, and first through third switching circuits for selecting outputs of the audio signal decoding units, are provided in case of reproducing sounds of the Hi-vision 3-1 sound system, or outputs of the surround processor, in case of reproducing sounds of the two-channel sound surround system, for providing the acoustic balance of the audio signals when the first through third switching circuits are switched to reproduce the sounds of the Hi-vision 3-1 sound system.

REFERENCES:
patent: 4933768 (1990-06-01), Ishikawa et al.
patent: 4953213 (1990-08-01), Tasaki et al.

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