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Re: HRTF failure


Just to throw more confusion into the pot (for "pot", read "metaphor") - you
need to be very careful these days about how you reproduce the waveforms
being presented to your subjects. Especially under Windows: most sound cards
do some sort of signal processing within their drivers. I'm not sure what
the situation is if you're running Linux, but under Windows I'd strongly
recommend disabling all such functions. I believe ASIO drivers (such as the
ASIO4ALL freeware) can help with this, but it's also worth checking the
Windows "control panel" settings if you're using anything Microsoft.

Steve Beet
Principal R&D Engineer, Aculab plc, UK