Method and system for sound expansion

Details Method and system for sound expansion Method and system for sound expansion

1997-05-19

1999-10-26

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

381 1, 381 12, 381 17, H04H 500, H04R 500

Patent

active

059741538

ABSTRACT:
Monaural inputs are accepted for presentation to a pair of speakers. The output sound image from that pair of speakers is such that a listener will perceive that the sound is stereo and that certain sounds come from a non-existent center speaker and that other sounds come from locations beyond the physical boundaries of the two speakers. The system operates to preserve full tone range at both speakers and does not split the sound from a particular instrument between both speakers. The system can be used to provide sound signals to the rear speakers of a multiple speaker system when the sound input to the rear speakers is either monaural or stereo.

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patent: 5434921 (1995-07-01), Dombrowski, Jr. et al.
patent: 5774556 (1998-06-01), Lowe et al.

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