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dmitrich

Tinker board R2.0 audio problem - hissing, noise

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After some time of continuous working (after 2 days, some time after week), the audio output from jack 3.5 starts hissing, noise (shhhhhhh) .
Whether it's a youtube video in the browser, or it's my mp3 playlist playing.
Only reboot can help.
I use the Tinker Board Debian 10 V3.0.11 image on my Tinker board R2.0.
I use it as an audio player through jack 3.5.

Before R2.0 I used a regular Tinker board and did not face this problem.
Has anyone encountered a similar problem, what could be the matter?

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hello  @dmitrich

while we try reproduce the issue, is it ok if we check the pulse log? what is the output when you execute this line?

sudo cat /var/log/syslog* | grep -i pulse

 

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We do have exactly the same issue: while using the jack output, some (we have dozen of then in the wild ) Tinkerboard S R.20 are randomly and suddenly (can be hours or days) outputing a white noise sound.

We are also using the last TinkerOS linux release (based on debian 10.10).

When the problem arises, there is absolutely nothing in the logs.

When using a digital output ( either bluetooth or HDMI ) there's no such problem.

Maybe a problem related to the DAC ?
 

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