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UA Arrow crackling sounds on Dell XPS 15 MIDI Processors
Old 1 week ago
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UA Arrow crackling sounds on Dell XPS 15

Hi everybody,

I just bought a new laptop (Dell XPS 15 9570, 16 GB RAM, i7 8th gen., TB3) and a new audio interface (Universal Audio Arrow). I'm using Ableton Suite 10.

I have constant crackling sound even with 512 samples buffer size, equally in the DAW and with Windows sounds (youtube, MP3s, system test sounds). I did all the steps as described in UA's Arrow manual and FAQ. Crackling is far worse with smaller buffer sizes, but also not flawless with 512 samples (and sometimes even with 1024 or 2048).

Latencies/test sounds in Ableton (at 44.1 kHz) are

32 samples: 2.9 in, 2.06 out, 4.97 overall (crackling with Ableton test sound sounds like a datasette on a C64 back in the 80s or the like, completely useless

64 samples: 3.63 in, 2.06 out, 5.69 ms overall (crackling also really bad)

128 samples: 5.08 in, 3.51 ms, 8.59 ms overall (one can hear the test tone accompanied by light crackling and interrupted by heavy crackling every other second)

256 samples: 7.98, 6.42, 14.4 (test sound with light crackling and with a little fewer interruptions by heavy crackling)

512 samples: 13.8, 12.2, 26.0 (test sound with light accompanied by crackling)

Also setting buffer size at 1024 or 2048 does not completely solve the problem.

Also it appears to me that I'm having more latency on the left side than on the right side of my headphones.

When listening to music e.g. Youtube I hear light crackling regardless of buffer size.

I've been trying to figure the problem out for over 5 hrs now. Can anybody help me out?
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