Partitioned echo canceler utilizing decimation echo location

Picked-up-sound recording method and apparatus

Process for reducing the pre-echoes or post-echoes affecting aud

Reverberation adjusting apparatus, reverberation adjusting...

Robust and reliable acoustic echo and noise cancellation...

Room acoustics echo meter for voice terminals

Sound processing unit

Sound reproduction equipment and method for reducing the...

Stereophonic acoustic echo cancellation using non-linear transfo

Subband acoustic echo canceller

Subband echo cancellation method using projection algorithm

System and method facilitating acoustic echo cancellation...

Tagging echoes with low frequency noise

Two-wire conference apparatus with echo canceler without...