More > JRiver Media Center 26 for Linux
Quick Start Guide for Installing JRiver Mediacenter 26 on a Raspberry Pi
bob:
--- Quote from: Kimota on July 28, 2020, 11:19:19 pm ---I've got an RPi4 (4GB) setup that I'm using for audio-only playback via HDMI output to a Marantz SR6013 receiver. It's working well - again, just for the audio. The RPi4 can decode DSD multi-channel to PCM 5.1 channel Dolby Surround. Not bad! I'm not using MC for video (yet). Maybe someday in the future...
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You are getting 5.1 out the HDMI output without any kernel modifications?
Kimota:
--- Quote from: bob on July 30, 2020, 04:45:22 pm ---You are getting 5.1 out the HDMI output without any kernel modifications?
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Affirmative. I'm using the stock distros and latest software from JRiver. No kernel mods, and I'm getting Dolby Digital Surround Sound 5.1 out of the RPi4 HDMI and into my Marantz SR6013. The Marantz AVR is (to my ears) properly decoding the signal and reports that it's playing back in DD 5.1 (FL-C-FR-SL-SR-SW).
See the screen capture of the MC26 DSP set-up I'm using on the RPi4. Note that the source is a DSF multi-channel file I ripped from a SACD. I set the output encoding to Dolby Digital with 5.1 channels (no upmixing or downmixing). That's HUGE for me to be able to play multi-channel DSD music from a NAS Music Server! So, yeah, it's not DSD bit-perfect output (someday...), but it's properly decoding/encoding into PCM 5.1 surround. Woohoo! ;D
bob:
Aha, I see what you are doing! So basically what's happening is that the multichannel output is being sent on 2 channels with Dolby Digital encoding.
I did that too for sending multichannel over optical. It's a handy trick.
Kimota:
--- Quote from: bob on July 31, 2020, 04:13:31 pm ---Aha, I see what you are doing! So basically what's happening is that the multichannel output is being sent on 2 channels with Dolby Digital encoding.
I did that too for sending multichannel over optical. It's a handy trick.
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Being a relative noob with MediaCenter and multi-channel digital formats, I'm going to have to take your word on what's going on.
All I did was I kept trying different configurations on the RPi4 and MC26 until the 5.1 channel outputs matched the original DSD output in terms of which instruments were playing in which channels.
I guess I was being naive in thinking that MC26 was decoding the DSD 5.1 multi-channel music, then re-encoding the output into Dolby Digital 5.1 Surround PCM format. Or maybe that's what you're saying and I'm just lost...?
bob:
--- Quote from: Kimota on July 31, 2020, 07:50:55 pm ---
I guess I was being naive in thinking that MC26 was decoding the DSD 5.1 multi-channel music, then re-encoding the output into Dolby Digital 5.1 Surround PCM format. Or maybe that's what you're saying and I'm just lost...?
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That's exactly what it's doing, you are correct.
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