Bugzilla – Bug 13381
Digital bitstream pre-emphasis bit mis set on fab4?
Last modified: 2010-04-08 17:26:06 UTC
toby10 noticed the digital out sounds wrong, and jacobdp seems to have verified that the pre-emphasis bit is set when it shouldn't be.
Steven, can you check the pre-emphasis bit on the digital out?
Sure, I will grab the digilizer and report back when I get a chance.
Specifically it was Optical out, not tried Coax Digital, if that matters. I'll try both digital outs when FAB gets (any) audio out back. :)
I seem to recall that there are two ways to set pre-emphasis? - in the TOC and in the sub-channel... on some CD's the data can conflict. Probably best to set pre-emph to off as default and then to set on only if p/e bit is set?
Yep, according to the Digilyzer we are indeed setting pre-emphasis to on in error for both toslink and coaxial S/PDIF output.
== Auto-comment from SVN commit #7829 to the jive repo by richard == == https://svn.slimdevices.com/jive?view=revision&revision=7829 == Bug #13381 Turn off spdif pre-emphasis bit.
== Auto-comment from SVN commit #7830 to the jive repo by richard == == https://svn.slimdevices.com/jive?view=revision&revision=7830 == Bug #13381 Turn off spdif pre-emphasis bit.
This bug has been marked fixed in a released version of Squeezebox Server or the accompanying firmware or mysqueezebox.com release. If you are still seeing this issue, please let us know!