Acoustic image enhancing method and apparatus

Details Acoustic image enhancing method and apparatus Acoustic image enhancing method and apparatus

H - Electricity

04

R

179/11, 179/22

H04R 5/04 (2006.01) G11B 3/74 (2006.01)

Patent

CA 1175362

Abstract of the Disclosure A method and apparatus are described for processing audio signals in a particular manner to achieve an enhancement in the perceived sound when the processed audio signals are projected by audio transducers. A predetermined low frequency band of the audio signals is delayed by a time period which is generally less than the refractory period of the human ear and combined with out-of-phase cross-field portions within a particular amplitude range. A predetermined low frequency boost is applied generally of the order of about 3 db. Several embodiments are described to provide improved recordings or enhanced acoustic projections of conventional stereo recordings.

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