Hi,
The code you sent appears to be the Audio Talkthrough example with several modifications. Here's the first thing I noticed that appears to be incorrect: You're using the BF AD1871 Wait on Data Ready Flag VI to fill the sub-buffer, then you go into a loop and get the contents of that buffer 256 times. You should be filling the buffer each time before you get the buffer instead of only filling it once. You also aren't resetting the data ready flag by using the BF AD1871 Clear Data Ready Flag VI.
Message Edited by Michael P on 07-28-2006 09:55 AM
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Michael P
National Instruments