Hello everyone,
this could be helpful for those of you who are interested in playing
back multi-channel AC3 & DTS streams encapsulated in FLAC files via HDMI
Passthrough and have problems with it using piCorePlayer.
Last week I have bought a Raspberry Pi 3 to use it as my main
Squeezeplayer at home and playing back my multi-channel music via HDMI
was one of my most important goals. According to some forum posts this
feature was broken with the recent versions of piCorePlayer and at the
beginning I couldn't set it up either. The good news is that after some
research and testing I finally found a working solution and the funny
thing is that it is very simple. In short, you only have to...
1) set the ALSA output level to exactly 0.00db
2) and follow the general instructions to playback AC3 & DTS streams
encapsulated in FLAC files with squeezelite --> e.g. (unfortunately I
can't post URLs yet, so see the next post)
The detailed instructions are:
1) Login to your piCorePlayer via SSH.
2) Set the ALSA output level to exactly 0.00db and save it for future
reboots with the following commands
a) find out the simple mixer ID of your sound card
Code:
--------------------
amixer scontrols
--------------------
--> the output in my case is
Code:
--------------------
Simple mixer control 'PCM',0
--------------------
whereas 'PCM' is the important part for the next command
b) set the output level to 0.00db
Code:
--------------------
amixer sset 'PCM' 0
--------------------
c) save & backup the ALSA settings
Code:
--------------------
sudo alsactl store
sudo filetool.sh -b
--------------------
4) set ALSA output level to Custom in the piCorePlayer web interface
(under Tweaks --> Audio Tweaks) and save the change.
5) Set up LMS and your audio files accordingly --> for instance (see the
URL in the next post)
The most important settings are (Under Player --> Audio):
Crossfade: None
Volume Control: Output level is fixed at 100%
Volume Adjustment/Replay Gain: No Volume Adjustment (you can leave the
other options on if there is absolutely no Replay Gain information
stored in your multi-channel FLAC files)
I can now successfully playback my multi-channel music and have finally
found my perfect music playback set-up for now.
My set-up:
LMS 7.9 as a virtual machine on my Home Server
Raspberry Pi 3 with piCorePlayer 3.00 (using HDMI and Ethernet)
Denon AVR-X3100W
Thank you for the fantastic piCorePlayer and keep up the good work!
------------------------------------------------------------------------
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View this thread: http://forums.slimdevices.com/showthread.php?t=105997
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