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Author Topic: native PCM and DSD automatic playback  (Read 1087 times)

kmmcd

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native PCM and DSD automatic playback
« on: February 26, 2020, 09:06:08 pm »

Is there a way the MC25 can be configured to play back PCM and DSD files in their native formats automatically? It seems that if I disable bitstreaming, DSD is converted to PCM, and If I enable bitstreaming (DSD), PCM is converted to DSD (with lots of dropouts).

thanks
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Awesome Donkey

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Re: native PCM and DSD automatic playback
« Reply #1 on: February 27, 2020, 04:05:28 am »

Sounds like you have DSP Studio > Output Format set to convert everything to DSD. I'd disable any Output Format settings if I were you.

Then, you can use ZoneSwitch to switch between DSD and everything else.

https://wiki.jriver.com/index.php/Zones#ZoneSwitch
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kmmcd

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Re: native PCM and DSD automatic playback
« Reply #2 on: February 27, 2020, 11:33:52 am »

I do not have any output format conversion selected. My setting is as follows:

DSP Studio > Output Format > Output Decoding = none

In this case, MC converts DSD files to 352.8kHz PCM, per my DAC display. If I select Output Decoding = DSD, then the DSD file plays as expected (DAC indicates that it is playing a DSD file), but all PCM files are converted to DSD, with many dropouts.

Once I get by this issue, I will then try to figure out what ZoneSwitch is.

It seems, however, that I should be able to configure MC so that it plays audio files in their native formats without further intervention on my part.
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Awesome Donkey

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Re: native PCM and DSD automatic playback
« Reply #3 on: February 27, 2020, 02:46:28 pm »

Don't use Output Encoding for DSD, otherwise MC will convert everything to DSD (even files which are already DSD, which is a lossy conversion), which is what's likely causing your dropouts because the conversion is an on-the-fly process which is VERY resource intensive. Dropouts like that during the on-the-fly conversion process usually means your CPU in your machine isn't powerful enough to handle those on-the-fly DSD conversions.

Instead, enable DSD bitstreaming.

More info on the wiki: https://wiki.jriver.com/index.php/DSD
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I don't work for JRiver... I help keep the forums safe from Viagra and other sources of sketchy pharmaceuticals.

Windows 11 2023 Update (23H2) 64-bit + Ubuntu 24.04 LTS Noble Numbat 64-bit | Windows 11 2023 Update (23H2) 64-bit (Intel N305 Fanless NUC 16GB RAM/256GB NVMe SSD)
JRiver Media Center 32 (Windows + Linux) | Topping D50s DAC | Edifier R2000DB Bookshelf Speakers

kmmcd

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Re: native PCM and DSD automatic playback
« Reply #4 on: March 04, 2020, 07:20:19 pm »

Your suggestion worked. A belated thanks to you.
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