[Solved] Airplay + USB DAC distortion

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[Solved] Airplay + USB DAC distortion

Postby tret » 16 Jan 2016, 06:06

The issue has been reported in at least these 2 threads. Any chance the devs can check in a fix for future releases?

http://www.runeaudio.com/forum/electronic-distortion-with-airplay-t442.html
http://www.runeaudio.com/forum/song-distorted-with-conv-usb-aes-t1049.html

I was able to resolve this with a small tweak to the shairport exec command in file /usr/lib/systemd/system/shairport.service

Before:
Code: Select all
ExecStart=/usr/bin/shairport -w --name=runeaudio --on-start=$ON --on-stop=$OFF --meta-dir=/var/run/shairport -o alsa -- -d hw:1,0


After:
Code: Select all
ExecStart=/usr/bin/shairport -w --name=runeaudio --on-start=$ON --on-stop=$OFF --meta-dir=/var/run/shairport -o alsa -- -d plughw:1,0


Changing "hw:1,0" to "plughw:1,0" and rebooting did the trick. Note: If you make any changes to the Airplay service via the RuneUI you'll need to re-apply the fix.

- tret
tret
 
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Re: [Solved] Airplay + USB DAC distortion

Postby tret » 05 May 2016, 20:24

Here's a one-liner fix using sed:

Code: Select all
sed -ie 's/d hw/d plughw/' /usr/lib/systemd/system/shairport.service
tret
 
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Re: [Solved] Airplay + USB DAC distortion

Postby patzoul » 08 Oct 2016, 10:40

it worked for me.
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Re: [Solved] Airplay + USB DAC distortion

Postby nbeathoven » 02 Apr 2017, 03:50

Worked for me also
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Re: [Solved] Airplay + USB DAC distortion

Postby strauberry » 24 May 2017, 06:52

Thank you for providing this fix! AirPlay to my USB DAC is working great now. Cheers!
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Re: [Solved] Airplay + USB DAC distortion

Postby andre_chang » 18 Jun 2017, 13:33

I can't.!
Follow the above. Push it out, it's twisted. Is there any other way?
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Re: [Solved] Airplay + USB DAC distortion

Postby hondagx35 » 18 Jun 2017, 17:38

Hi andre_chang,

I know that English is not your native language, but please try to explain your problems more detailed.

Frank
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