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Author Topic: DSD256  (Read 5056 times)

mvilla

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DSD256
« on: March 16, 2016, 04:52:22 pm »
Is DoP bitstreaming enabled for DSD256 ?
It seems my DAC cannot recognize.
Thank you for your support
Massimo
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Awesome Donkey

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Re: DSD256
« Reply #1 on: March 16, 2016, 05:03:32 pm »
Which build of Media Center for Mac are you using? DSD256 DoP was enabled as an experimental feature in build 21.0.25. Please try 21.0.55 which is available here: http://yabb.jriver.com/interact/index.php?topic=103674.0
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mvilla

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Re: DSD256
« Reply #2 on: March 17, 2016, 04:33:19 pm »
Quote from: Awesome Donkey on March 16, 2016, 05:03:32 pm
Which build of Media Center for Mac are you using? DSD256 DoP was enabled as an experimental feature in build 21.0.25. Please try 21.0.55 which is available here: http://yabb.jriver.com/interact/index.php?topic=103674.0

I'm still on JRiver 20. I thought that using DSD bitstream I would not have had problems.
Can you please explain why cannot work ?
Thank you
Massimo
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Awesome Donkey

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Re: DSD256
« Reply #3 on: March 17, 2016, 06:09:00 pm »
DSD 256 bitstreaming is only supported in MC 21
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Windows 11 24H2 Update 64-bit + Ubuntu 24.10 Oracular Oriole 64-bit | Windows 11 24H2 Update 64-bit (Intel N305 Fanless NUC 16GB RAM/500GB M.2 NVMe SSD)
JRiver Media Center 33 (Windows + Linux) | iFi ZEN DAC 3 | JBL 306P MkII Studio Monitors | Audio-Technica ATH-M50x Headphones

blgentry

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Re: DSD256
« Reply #4 on: March 17, 2016, 06:41:57 pm »
Quote from: mvilla on March 17, 2016, 04:33:19 pm
I'm still on JRiver 20. I thought that using DSD bitstream I would not have had problems.
Can you please explain why cannot work ?

This is an educated guess:

True DSD bitstreaming is just sending bits.  So it would work with any DSD:  DSD64, 128, 256, etc.  But DoP isn't "true" bitstreaming.  DoP packs the DSD data into PCM frames in a specific way with start and stop indicators.  I'm guessing that the DoP frame size is different for DSD64 as compared to DSD256.  So it needs to be specifically programmed into MC for it to work.

Brian.
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Awesome Donkey

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Re: DSD256
« Reply #5 on: March 17, 2016, 08:26:25 pm »
Hence the experimental support for DSD256 in MC 21 for Mac.
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Windows 11 24H2 Update 64-bit + Ubuntu 24.10 Oracular Oriole 64-bit | Windows 11 24H2 Update 64-bit (Intel N305 Fanless NUC 16GB RAM/500GB M.2 NVMe SSD)
JRiver Media Center 33 (Windows + Linux) | iFi ZEN DAC 3 | JBL 306P MkII Studio Monitors | Audio-Technica ATH-M50x Headphones

mvilla

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Re: DSD256
« Reply #6 on: March 18, 2016, 08:51:08 am »
Quote from: blgentry on March 17, 2016, 06:41:57 pm
This is an educated guess:

True DSD bitstreaming is just sending bits.  So it would work with any DSD:  DSD64, 128, 256, etc.  But DoP isn't "true" bitstreaming.  DoP packs the DSD data into PCM frames in a specific way with start and stop indicators.  I'm guessing that the DoP frame size is different for DSD64 as compared to DSD256.  So it needs to be specifically programmed into MC for it to work.

Brian.

Got'it ! Thank you, Brian.
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