On 27 October 2010 21:18, Youda He wrote: > We can not go cross the track, (not allowed), We can't go down the > track either, however, using sound is interesting, we have another > project really need to sue sound, so we would like to try that out. > > -- Youda > A quick way to try it would be to make a recording and look at it on a PC with a program like :Audacity: or similar. RP --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .