quoted 4 lines the speaker moves in the most uncanny ways. sometimes>>the speaker moves in the most uncanny ways. sometimes
>>breathing (>1hz), sometimes 'jelly-fishing' (1 hz saw wave), sometimes
>>beating (1-3hz), sometimes even downright waggling (low frequency noise
>>centered at 10hz) etc.
EI> If the lowest frequency you can get out of a CD is 20 Hz, how did you
EI> achieve the lower frequencies?
EI> curious
EI> ernie
i dont know about this, but id have thought you could do it by using
the beat frequency generated from 2 high(er) frequency tones
interfering with each other...