ralphy wrote: 
> Changing the volume does not change the distortion.
> 
> The distortion volume remains at a constant level regardless of the
> actual volume setting except for the lowest setting which silences it as
> well.
> 
> Performing a soft power off and on clears it up.
> 
> I'm going to start using the 24 bit USB DAC now to try and reproduce.
> > 
Code:
--------------------
  >   > DAC$ cat stream0 
  > Burr-Brown from TI USB Audio DAC at usb-0000:00:1a.0-1, full speed : USB 
Audio
  > 
  > Playback:
  > Status: Running
  > Interface = 1
  > Altset = 1
  > URBs = 3 [ 7 7 7 ]
  > Packet Size = 192
  > Momentary freq = 44100 Hz (0x2c.199a)
  > Interface 1
  > Altset 1
  > Format: S16_LE
  > Channels: 2
  > Endpoint: 2 OUT (ADAPTIVE)
  > Rates: 32000, 44100, 48000
  > Interface 1
  > Altset 2
  > Format: S16_LE
  > Channels: 1
  > Endpoint: 2 OUT (ADAPTIVE)
  > Rates: 32000, 44100, 48000
--------------------
> > 


Pressing pause or stop does nothing?  Does it still do it with the
volume at 100% and no replay gain?  Does it change between when mmap is
used and when it is not used?


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