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+--- Thread: 24 bit and DSD over HDMI? (/showthread.php?tid=4990)
24 bit and DSD over HDMI? - Mattt - 07-25-2022
I have my pi 3b+ connected to a Denon avr via HDMI.
The avr manual states that the HDMI ports accept DSD but Moode is converting the DSD to PCM.
I have the format set to Native DSD.
Also 24 bit flac files are being output as 16 bit.
Is the likely problem the Pi HDMI, Moode, the avr or me not understanding how these things work?
Pi 3b+
Moode 8.1.2 64 bit.
RE: 24 bit and DSD over HDMI? - swinokur - 07-25-2022
Hi there,
One place to start is to run moodeutl -F (which is the same as running 'alsacap') from the command line.
That should show you what the hardware capabilities are (number of channels, sample rate, sample formats).
RE: 24 bit and DSD over HDMI? - Mattt - 07-25-2022
(07-25-2022, 04:59 AM)swinokur Wrote: Hi there,
One place to start is to run moodeutl -F (which is the same as running 'alsacap') from the command line.
That should show you what the hardware capabilities are (number of channels, sample rate, sample formats).
Thanks
Looks like it's 16 bit.
After doing some research it seems 24bit is possible. Some people have done it, it requires recompiling the kernel which is probably beyond me and I have no idea if Moode would still work after doing it.
RE: 24 bit and DSD over HDMI? - Tim Curtis - 07-25-2022
There's lengthy kernel Thread discussing HDMI 16 / 24 bit. There doesn't appear to be a resolution yet...
https://github.com/raspberrypi/linux/issues/4204