We've found that using GSM is pretty reliable and produces almost no noticeable degrading of sound quality. The bit rate is one tenth (0.1) of the linear.
Works well for us. Joe On Jul 13, 2006, at 8:27 AM, liying wrote: hi, all! we are using rat for audio transmission, but we find that it occupies too much Bitrate(bps), is there any other audio tool which relies on higher compression rate to reduce the transmitted audio data ? --Best Regards liying [email protected] 2006-07-13 Joseph Stone Senior Informatics Manager Family Medicine Community Health, Medical School, Univ. of Minnesota Suite 220 Dinnaken 925 Delaware St. SE Minneapolis, MN 55414 (612) 624-3192 [email protected]

