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Log #20: more on RaspberryPi latency

A project log for lalelu_drums

Gesture controlled percussion based on markerless human-pose estimation with an AI network from a live video.

lars-friedrichLars Friedrich 05/06/2025 at 13:270 Comments

Following up on my previous latency measurement covering the setup with OSC messages sent to puredata running on a RaspberryPi, I tested the HifiBerry DAC+ ADC pro as an audio output device.

With the HifiBerry the latency was reduced compared to the earlier result:

latencyHifBerry DAC+ ADC proMackie Onyx Artist 1.2
mean 24.01 ms29.61 ms
standard deviation3.487 ms4.048 ms
min16.96 ms15.20 ms
max31.25 ms38.46 ms

Here is a screenshot of the measurement:

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