audio streaming via serial

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hello im trying sript running found on old forum
http://www.arduino.cc/cgi-bin/yabb2/yabb.pl?num=1282666614
but im new stuff , cant transmit audio on serial can me this?

it's other data, except there couple of special considerations "streaming"...

are transmitting, receiving, or both?    communicating with, , other device use particular serial protocol?  need store audio?  kind of "processing" arduino doing?

the "special considerations" audio needs buffered because needs flow continuously , smoothy (or apparently smoothly-continuously ) when processor off doing other things (like proccessing audio data, or switching between transmitting/receiving, etc.)  also, audio takes-up quite bit of memory, , needs high speed transmission (depending on how audio storing , quality need).


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