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Thread: poor voice response time resolution (case 14820)

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    poor voice response time resolution (case 14820)

    Our lab collected a large amount of word naming latencies using Direct RT 2012 and a headset microphone. The computers are newer Dell desktop units. Problem is there is a clear evidence +/- 30 ms buffering going on in the sampling. Any ideas how this could come about, its as if we were using 1980's equipment. See attached histogram.

    The only thing I have come up with is perhaps my students have plugged the mic into the front of the PC, and perhaps that jack does not use the main sound card? Otherwise, I have no clue. Please help!
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    Last edited by jason_reed; 06-11-2014 at 01:28 PM.

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