Glitches in analogue output with Windows 10 built-in driver

[danielpieczko]

App: xk_316_mc
Config: probably all, seen with 2AMi8o8xxxxxx, 2AMi10o10xssxxx, 2ASi8o8xxxxxx_tdm8, 2SSi8o8xxxxxx
Windows 10 with the built-in driver, using ASIO4ALL (this doesn't occur with the Thesycon driver)
Sample rate: only at 176400

On analogue output, the sw_audio_analyzer observes about 30 glitches per second, and they continue to appear at this rate regardless of the test duration. Attached is a recording of two channels (1500 and 2500 Hz), and the glitches are visible in the spectrogram and appear quite periodic. A USB protocol trace is also included in the attached zip file.
176400-output.zip

[xross]

Can you try increasing the ASIO buffer size in ASIO4ALL please?

See: https://www.asio4all.org/index.php/help/instruction-manual/#ASIO-Buffer-Size

Note, we don't care too much about latency in these tests so feel free to set it to something large

[danielpieczko]

The original buffer size was 512 samples. I tried with a range of values up to the maximum of 2048 samples, but they all still showed this issue.

[danielpieczko]

I upgraded ASIO4ALL to v2.15 and I can't reproduce this any more, so closing this issue.