Title :
Evaluation of a hands-free unit during double-talk
Author :
Wiklund, Kenneth ; Lindström, Fredric ; Claesson, Ingvar
Author_Institution :
Res. & Dev., Konftel AB, Umea, Sweden
Abstract :
The double-talk performance of a hands-free speech communication system is crucial to the overall quality. This paper presents a method to evaluate double-talk performance of conference phones and speakerphones. The method measures loudness, clipping and the amount of echo during double-talk.
Keywords :
mobile handsets; voice communication; conference phones; double-talk performance; hands-free speech communication system; Filters; Frequency; Loudspeakers; Manufacturing; Oral communication; Research and development; Signal processing; Speech analysis; Telephony; Testing; Hands-free; double-talk; performance evaluation; speech quality;
Conference_Titel :
Consumer Electronics, 2006. ICCE '06. 2006 Digest of Technical Papers. International Conference on
Print_ISBN :
0-7803-9459-3
DOI :
10.1109/ICCE.2006.1598283
