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Re: Bat detector calibration

Subject: Re: Bat detector calibration
From: animalsounds
Date: Fri Mar 18, 2016 2:11 am ((PDT))
> Almost all the codec on the market (herein included the ones on the PC) r=
esample the signal so they cannot generate signal much over the audible ran=
 Hmmm, in my personal experience most computer audio Interfaces (both exter=
nal USB devices and even the onboard systems on the mainboards) that offer =
a playback sample rate of 192 kHz can also generate ultrasounds up to over =
80 kHz. The frequency response may not be perfect, but it should work fine =
for calibrating the frequency dial of analog heterodyne bat detectors.=0D
 I just tried it once again successfully on my Windows 10 Desktop PC that h=
as an onboard "Realtec High Defition Audio" device....=0D

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