Sound field offset device

Details Sound field offset device Sound field offset device

1992-06-10

1994-06-28

Kuntz, Curtis

Electrical audio signal processing systems and devices

Binaural and stereophonic

381 66, 381 86, 381 98, 381 97, 381 99, 381100, H04R 500

Patent

active

053254350

ABSTRACT:
A sound field offset device having two channels, each of which includes a frequency selection filter for dividing a stereophonic input signal into two frequency bands by a given frequency falling within an audio frequency, at least one digital filter for performing sound field offsetting within a lower frequency band, and at least one loudspeaker assembly for a higher frequency band having a sharp directivity pattern and capable of defining an area to which acoustic power is emitted. This device allows a sound field to be offset in a cost effective and simple manner, by improving the frequency characteristic of a sound field space and by clarifying the sense of locality of acoustic images.

REFERENCES:
patent: 4355203 (1982-10-01), Cohen
patent: 4458362 (1984-07-01), Berkovitz et al.
patent: 4703502 (1987-10-01), Kasai et al.
patent: 5031220 (1991-07-01), Takagi
J & R Music World Catalogue, p. 46, copyright 1991.

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