Triode wrote: 
> I can't get optical to work...  However - it doesn't do this via USB
> (which is what I have done all my testing on).
> 
> I also note that the imx-spdif driver defaults to
> IEC958_AES0_CON_EMPHASIS_5015 which is to enable emphasis.  As
> squeezelite does not do anything about emphasis I suspect it never calls
> the iec958 update code and hence we always see the default.
> 
> Currently working out the easiest way to fix this.. We should probably
> patch the driver as starting in emphasis mode seems daft.  The
> equivalent driver in SBT doesn't do this.

I found a command with which it is possible to set emphasis off.
http://linux.die.net/man/1/iecset 
I ran this command: *iecset –Dhw:1 emphasis 0*
That disabled the emphasis bit. The sound quality is top notch now!

Trouble is that after a reboot this command needs to be executed again.
Is there a way to set this in a “autoexec.bat” (sorry I’m a Linux noob)?


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