Thanks for suggestions.    My configuration (uncommented params) in daemon.conf is: resample-method = speex-float-1 flat-volumes = no default-sample-format = s32be default-sample-rate = 192000 default-fragments = 8 default-fragment-size-msec = 10 deferred-volume-safety-margin-usec = 1  ...

  Yes, I use usb. This problems happens everyday, after around 3 hours of playing music since one month . Earlier there was no any problem like this. There are no other programs playing music, only one music player. I was trying to switch to other players and the problem still exists on Linux...

I have NFB-1 (2014). I bouht this in Oct 2014. Around one month ago I started to experience sound distortion problem when dac is connected to Linux machine. Sound distortion starts after 3 hours of operating. The I connect dac to Windows 8 machine all works fine. If I turn off dac then turn on...

I have NFB-1 (2014). I bouht this in Oct 2014. Around one month ago I started to experience sound distortion problem when dac is connected to Linux machine. Sound distortion starts after 3 hours of operating. The I connect dac to Windows 8 machine all works fine. If I turn off dac then turn on...

  does it mean you can play DSD256 and DSD512 files?

Anyone managed to play DSD256 files through NFB-1 (I got 2014 version) in foobar (foo_dsd_asio / ASIO native) without need to convert it to DSD128?

Are differences in DAC module between NFB-1(2014) and NFB-1(2015) significant for sound quality?