Loudspeaker telephone equalization method and equalizer for...

Details Loudspeaker telephone equalization method and equalizer for... Loudspeaker telephone equalization method and equalizer for...

H - Electricity

04

M

H04M 1/60 (2006.01) H04B 3/04 (2006.01)

Patent

CA 2391262

An equalizer for a loudspeaker telephone includes a signal generator for generating a reference signal for broadcast by a loudspeaker of the loudspeaker telephone. A filter alters the frequency response of signals prior to broadcast by the loudspeaker. During set-up, a processor processes the reference signal picked up by a microphone remote from the loudspeaker that has been convolved with the acoustical response of the environment to determine coefficients for the filter that are necessary to compensate for the environment acoustics and applies the coefficients to the filter.

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