Re: [ARMini-support] ARMX6 HDMI/video/audio ROM now live
- From: Paul Porcelijn <p.porcelyn@xxxxxxxxx>
- To: armini-support@xxxxxxxxxxxxx
- Date: Wed, 20 Jan 2016 21:36:00 +0100 (Custom)
On 20 Jan, Jim Lesurf <jcgl@xxxxxxxxxxxxxxx> wrote:
On 20 Jan, jcgl@xxxxxxxxxxxxxxx wrote:
I tried it earlier today. I may have done something wrong, but I
couldn't get it to work here. The upgrade ran but ended with a comment
like
[snip]
Good news! HDMI audio now works with my monitor! :-)
I did try a shutdown / power off / power-on cycle before and got no
coconut. But I just tried again and got sound via HDMI to my monitor. :-)
Must have messed something up previously. Apologies. No idea why the
'checksum' seemed not to equate.
Congratulations!
By the way, it came to my mind that a while ago when experimenting with
the OS HdmiOn and OS HdmiOff commands, I found these doing exectly the
OPPOSITE of what is expected. So HdmiOn actualy shuts off all hdmi video
output. That was the situation before the recent hdmi-audio update was
distributed. I think the opposite reaction still holds for my OS version.
My !SoundCheck program reports that the available sample rates for my
screen HDMI are only 32/44.1/48k which is worse than the ARMX6 mainboard.
!DigitalCD does play 96k/24 files via the HDMI but it looks like its
being downsampled to fit the Monitor's max rate of 48k.
Beware! The result being worse or better depends fully on your television
hardware, since the digital audio is streamend unprocessed from ARMX6 into
your TV-set, bypasssing the SGTL5000 DAC-chip inside ARMX6.
Streaming audio by hdmi-cable gives the codec inside your TV-set total
responsability for the Digital-to-Analog conversion. Sound quality isn't
always top priority for TV-manufactorers, but maybe you're lucky..
!SoundCheck also shows a change to the entries for the Audio 'mixer'.
I'll do some proper tests tomorrow.
BTW If anyone else wants to cross-check what they get, !SoundCheck is
available from my software page
http://www.audiomisc.co.uk/software/index.html
It will list the 'standard' sound system settings, etc, which apply
at the time you do a check. So if you run it before/after doing an
hdmiaudOn you can see what changes.
Yes, your SoundCheck and other tools are quite helpful. As is your
extensive ROSS-document and including SWI-call details. Many thanks for
these!
Greetings,
Paul
Cheers,
Jim
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