REAL TIME PROCESSING AND MANAGEMENT METHOD FOR CANCELING OUT THE ECHO BETWEEN A LOUDSPEAKER AND A MICROPHONE OF A COMPUTER TERMINAL

摘要

the invention relates to a method and real time processingmanagement for echo cancellation in a loudspeaker (hp) and a microphone (m).a computer terminal. it is the signal of the speaker andofwire as reference signal and synchronizing signal (a) byreport to the committee, and (b) the acquisition and restoration tasksaudio.the gap (d) between the other signal and the reference signal ismeasured(c) and the value of delay (d) is validated (d) to control thedelayapplied to the reference signal from the time current (j). applicationthecomputer terminal with multi tasking operating system.