[time-nuts] Timestamping audio waveforms
Hal Murray
hmurray at megapathdsl.net
Sat Mar 31 20:53:53 UTC 2018
tshoppa at gmail.com said:
> Or should I, say, take the PPS from a GPS, and feed it into channel 2, with
> the audio going into channel 1, and make a stereo recording? ...
I assume the audio API is for a batch of samples. If you get time stamps on
a stream of batches, you can work out the frequency of the crystal the audio
A/D is using.
I think you will need the PPS approach to calibrate the delay through the
system. If it's low enough, you can drop it.
--
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