Introduction

Why use a hands-free cellular phone system Dialogues such as the following should give a clear picture of the inconvenience resulting from the use of existing cellular phones Excuse me, honey, let me make a sharp turn'', Hold on, I need to make some turns''. This inconvenience is caused by the use of a handset in the existing cellular phone system. Drivers often have to put down the handset to respond to two-hand jobs, such as making turns, and then return to their conversations. Interruptions...

References

Cancellation Flow Chart

Kellermann, Adaptive Echo Cancellation for Speech Signal'', Chapter 11 in Advances in Speech Signal Processing, Edited by S. Furui and M. Sondhi, Dekker, New York, 1992. 2. S. M. Kuo and J. Chen, Multiple- Microphone Acoustic Echo Cancellation with the Partial Adaptive Processes'', Digital Signal Processing, Vol. 3, No.1, January 1993, pp. 54-63. 3. S. M. Kuo and Z. Pan, Adaptive Acoustic Echo Cancellation Microphone, J. Acoust. Soc. Am., Vol. 93, No. 3, March 1993, pp....