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Author Topic: Glitchy USB audio  (Read 1386 times)

MAS-Indy

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Glitchy USB audio
« on: March 05, 2021, 12:58:18 pm »

System:

Lenovo Thinkpad (Linux Mint 20.1) -> Schiit Modi Multibit DAC via USB 2.0

Has anyone experienced "glitchy" audio? I have (hopefully) eliminated the DAC as the glitchy source by changing the DAC input from a CD player using a coaxial digital output. NO glitches!
I have tried switching USB ports on the Lenovo; same result.
I am NOT a Linux guru, but I have searched for and tried a few things that seemed promising, with no luck.
I am completely open to suggestions.

Thanks.
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warchild

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Re: Glitchy USB audio
« Reply #1 on: March 07, 2021, 05:50:55 am »

How are you sending the signal to the DAC? Unconverted? PCM? What path are you using?
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stefano_mbp

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Re: Glitchy USB audio
« Reply #2 on: March 07, 2021, 06:21:30 am »

Are you using the right Audio Device?
Should be the one beginning with hw.
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skidmata

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Re: Glitchy USB audio
« Reply #3 on: March 11, 2021, 09:34:30 pm »

Could be poorly behaving power savings kicking in ?    Does it start after the laptop is otherwise idle for a bit ?
Another laptop specific culprit is extreme cpu throttling if some of your load is spiky.  Do you have any heavy backround tasks?
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