Patent ID: 6549629
Filing Date: 2003-04-15
Classification: H04R

Abstract:
A digital voice enhancement communication system comprising:a plurality of microphones; at least one loudspeaker; a switch for selecting which microphone to electrically couple to said at least one loudspeaker so that a listener at said at least one loudspeaker can hear the speech of a talker at the selected microphone, the selection decision being based on a given function of the speech of a respective talker relative to his/her acoustic environment at the respective microphone, wherein said selection decision is based on the ratio S&it;â€ƒ&it;N&it;â€ƒ&it;N&it;â€ƒ&it;R=f&af;(voice+noise)f&af;(noise)where SNNR is the ratio of speech plus noise to noise, and f is a given function thereof.