google / google/oboe

OboeTester loopback latency test needs more low freq noise immunity

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apps enhancement
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Description

When I run the test on a GBus it has low confidence, 0.32, because of all the low frequency energy.
So we should try a high-pass filter with a 100 Hz cutoff.

Also we should try not using a Peak Detector and then looking for the narrow spike in the correlation results.
The spike may not be where the peak correlation is.

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