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SACD iso and DSD noise when stopping or closing music player

I've had this issue with two DACS and ASIO playback of DSD files (SMSL SU-9 and my current Gustard x26 Pro). When I stop playback or close Jriver/Foobar, I get a pretty loud indescribable noise out of both of my speakers. I have to turn off the DAC to stop it. I can resolve this by sending DSD via DOP, but I would like to think there is a solution to this issue. I've tried different USB cables, PCIE cards, etc. and nothing clears this up. Any suggestions will be appreciated.

Windows 11 / JRiver or Foobar / ASIO-USB / Gustard x26 Pro / AVA Vision SET 120 power amplifier / Elac Carina speakers

128x128tempest714
mahler123
3,318 posts
 

Fwiw, I have the same problem when I switch from any other input on my DAC to the HDMI inputs

pooch2's avatar
pooch2
82 posts
 

I am having the same problem using J River from my laptop using windows 10 to the Gustard x26 PRO. If there is a driver fix available please let me know! This is very frustrating, I am currently having to mute my preamp during stop of playback.

tempest714's avatar
tempest714 OP
29 posts
 

The only fix I have for J River is to select DOP in the prefs. It will send the DSD file in a PCM package (it does not convert it). The DAC will then unpack it and play the DSD file. There is a new ASIO driver on the Gustard site, but the link button does not work. I've emailed them and it will likely be fixed soon. Version 5.50

tempest714's avatar
tempest714 OP
29 posts
 

The new ASIO driver for all Gustard DACs is now available. They are working on the website, and they are now posting firmware updates there.

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