Echo processing devices for single-channel or multichannel...
Echo processor generating pseudo background noise with high...
Echo removing apparatus
Echo removing apparatus
Echo suppression and echo cancellation
Echo suppressor
Echo suppressor
Echo suppressor and non-linear processor of echo canceller
Echo suppressor capable of suppressing an echo resulting from ac
Echo suppressor for a speech input dialogue system
Echo-canceler for precoded fractionally spaced receiver...
Efficient echo cancellation techniques
Electricity echo cancellation device and method
Enhancement of near-end voice signals in an echo suppression...
Equipment and processes for echo suppression with adaptive...
Estimating bulk delay in a telephone system
Estimation method and apparatus