I’ve been struggling with this for months where I was stuck on 512 buffer size with an RME Babyface and Macbook 16″ M1 Pro. Using Studio One I could see that SD3 was causing weird CPU Spikes that made crackling sounds, but in general was low in CPU Usage.
Just out of luck I tinkered a bit in the SD3 Performance settings and set the CPU Cores to 1 instead of 4 that I had it set to earlier and that solved the issues I had. Now I can comfortably play on 32 buffer with no issues at all, not even nearing 20% cpu in spikes.
Hopefully this can be of use for someone else with the Mac Silicon and SD3 🙂
This has also solved my crackling problem on 2021 MBP M1. I can go as low as I want on the buffer and no issues at all. Before, I’d even have issues at 512 bytes.
Thanks!
Reply To: Apple M1 Chip MacBook and SD3 latency version: 3.3.7 Operating system: macOS Sequoia (15)
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