Ticking Noise with USB

toyosm

Active member
I mentioned this issue in a different thread (different problem) but I wanted to open a new one specific for this. The problem I'm having is this:
When using the USB audio output to a DAW, after a while playing (not exact time, but around 30seconds to 1 minute or so) I start to get a "tick tick tick" noise alongside with the signal. If there's no playing, no noise. First I though it was coming from my custom audio object, and finally I went down to start a new sketch with the most basic setup I2S Input -> USB Output and the noise is still there. The noise is only on the USB, not on the line out so I discarded any hardware issues since it's a custom board.

I'm using a Macbook Air with Sonoma 14.5 and a USB hub (also tried without the hub) and the board has a SparkFun MicroMod. As Daw tried Logic Pro and GarageBand. Any thoughts?
 
The stock USB audio can have a few sync issues, leading to dropped or extra samples. If you’re feeling brave you could try the update linked here. You may or may not want to change the channel count, but it’s worked well for me on Windows - be nice to have feedback from a Mac user. It’s not production ready, but I’m hopeful that it could be if we test it and give @alex6679 (who’s done the clever stuff) enough encouragement!
 
The stock USB audio can have a few sync issues, leading to dropped or extra samples. If you’re feeling brave you could try the update linked here. You may or may not want to change the channel count, but it’s worked well for me on Windows - be nice to have feedback from a Mac user. It’s not production ready, but I’m hopeful that it could be if we test it and give @alex6679 (who’s done the clever stuff) enough encouragement!

Tried this today, so far works like a charm!!. Replaced the core files (made a backup just in case) and worked. It does consume more AudioMemory than the stock usb. In my program used 20 blocks before (mostly to pass samples between blocks) and now the max memory usage is 56 with an instant usage jumping from 24 to 32 so that needs to keep in mind. At first it didn't worked until I realized this.

Used the AudioOutputUSBOct and the regular AudioOutputUSB and both works clickless. So, in Mac, Sonoma 14.5 with a MicroMod and Logic works. Have to test the usb input yet, but MANY MANY thanks to pointing me this way.
 
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