More > JRiver Media Center 27 for Mac

Multichannel flac playback fails, outputs only stereo. Need help.

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pscott:
What's cutoff? Sorry, don't see it.Yes, it's checked.
Here's a more complete display of audio device settings.

pscott:
And here's the output, show 6 channels are input:

pscott:
Here's another screenshot of (which I think is) the complete DSP Output window

pscott:
First screenshot is AFTER playing a 6 channel sound, second is how I set it BEFORE trying to play the sound. MC just changes the output setting to stereo.

wer:
Hmmm.  Ok, I think I have to admit you've got me.  I have never seen MC behave that way.  I wonder if only the Mac version does that.

You can confirm that if you set output format to 5.1 instead of "source number of channels" that the same behavior still occurs, right?

The only reason I can think of why it would is if the OS is telling MC that the output device is a 2-channel device. That should affect VLC too, unless VLC is just ignoring it.

It could be a MacOS problem, in which case you're probably going to have to wait for a Mac person like Brian to drop by and look at your thread.

It could be an HDMI handshaking problem.  I would try connecting the mac directly to your tv, and see if the behavior is any different.  You might have to power cycle devices, or disconnect and reconnect HDMI cables.  HDMI handshaking problems can be tricky to reproduce.  The fact that VLC plays the file makes me doubt this.  Do you have the ability to test with Samsung disconnected?  You could remote control into the Mac from another computer if you have one, and control MC with the Samsung disconnected, or use gizmo or panel or jremote to play something.  For it to be a good test, reboot the mac and the yamaha after disconnecting the TV, so all the devices get fresh EDID.

The fact that your menu choice says "Samsung" means that the Yamaha is passing at least some of the EDID info from the Samsung.  This might be as simple as putting your Samsung into 5.1 mode instead of stereo mode; you could look in its menus.

When VLC plays the file, look at the diagnostics screen on the yamaha, and see what audio format it says it is receiving.

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