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Author Topic: multichannel dsd cannot play  (Read 4892 times)

stanzani

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multichannel dsd cannot play
« on: January 21, 2017, 09:35:17 am »

'Playback could not be started on the output ASIO using the format DoP 2.8 MHz 5ch'

This is what I get on some dsd files. Any workaround? I'd like to select 2.0 for example
DAC is a Teac UD-503

thanks much
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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature

kr4

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Re: multichannel dsd cannot play
« Reply #1 on: January 21, 2017, 02:09:13 pm »

'Playback could not be started on the output ASIO using the format DoP 2.8 MHz 5ch'

This is what I get on some dsd files. Any workaround? I'd like to select 2.0 for example
DAC is a Teac UD-503

thanks much
Have you set the output number of channels to 2.0 by default?
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Kal Rubinson
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stanzani

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Re: multichannel dsd cannot play
« Reply #2 on: January 22, 2017, 01:21:31 pm »

Have you set the output number of channels to 2.0 by default?
it is already set like that ... :(
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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature

kr4

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Re: multichannel dsd cannot play
« Reply #3 on: January 22, 2017, 05:41:22 pm »

OK.  What are your other settings under Tools/Options/Audio?
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Kal Rubinson
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stanzani

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Re: multichannel dsd cannot play
« Reply #4 on: January 23, 2017, 06:02:25 am »

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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature

kr4

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Re: multichannel dsd cannot play
« Reply #5 on: January 23, 2017, 11:15:52 am »

https://www.dropbox.com/s/ur9s961q08ng81c/Screenshot%202017-01-23%2013.00.18.png?dl=0
https://www.dropbox.com/s/rpppzxmkvz9mfec/Screenshot%202017-01-23%2012.59.56.png?dl=0
(is there an xml file somewhere so i can share full details of the configuration?)
1.  Is the Teac really a MCH DAC?   I am not certain that JRiver can down-convert DSD multichannel to DSD stereo without a PCM intermediary and I see the 2.0 format selection (along with bass management) as grayed-out.
2.  I do not think you can do MCH DSD via DoP.  Requires too much bandwidth.
 
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Kal Rubinson
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blgentry

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Re: multichannel dsd cannot play
« Reply #6 on: January 23, 2017, 04:58:44 pm »

You probably don't want to use Output Encoding.  It's almost never the right thing to do.  Output Encoding is NOT necessary to play DSD files natively.  This is a very common misconception because that dialog is set up in a funny way that makes it look like the right selection.

If you're one of those guys that thinks that converting PCM to DSD makes it sound better and you're doing this on purpose, then I'll just exit the conversation and wish you good luck.  Good luck either way in fact!  :)

Brian.
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stanzani

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Re: multichannel dsd cannot play
« Reply #7 on: January 24, 2017, 02:18:38 am »

I also set output encoding to 'none': no joy
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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature

stanzani

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Re: multichannel dsd cannot play
« Reply #8 on: January 24, 2017, 02:19:58 am »

1.  Is the Teac really a MCH DAC?   I am not certain that JRiver can down-convert DSD multichannel to DSD stereo without a PCM intermediary and I see the 2.0 format selection (along with bass management) as grayed-out.
2.  I do not think you can do MCH DSD via DoP.  Requires too much bandwidth.
 
UD503 is NOT a mch DAC, so iwas looking for a kind of downmix somehow
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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature

blgentry

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Re: multichannel dsd cannot play
« Reply #9 on: January 24, 2017, 06:11:46 am »

I alos set output encoding to 'none': no joy

You'll also want to turn off bitstreaming.  Then set Output Format > Channels > 2  .  Output Format > Mixing > JRSS Mixing .  That will get you a 2 channel downmixed output.

On the other hand, if you're listening to a track/album that was originally 2 channel, then taking the 5.1 channel mix and converting it to 2 channel is kind of a waste.  Because the 5.1 channel mix is "made up" by the engineer; it wasn't actually recorded that way.  The down mix will be some strange approximation.  I've experimented with this with at least one well respected SACD and the MC JRSS down mixed version, from the 5.1 channel DSD mix, was kinda weird.  The 2 channel mix (original file) is better when you only have a 2 channel DAC/sound system.

Brian.
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kr4

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Re: multichannel dsd cannot play
« Reply #10 on: January 24, 2017, 09:17:30 am »

You'll also want to turn off bitstreaming.  Then set Output Format > Channels > 2  .  Output Format > Mixing > JRSS Mixing .  That will get you a 2 channel downmixed output.

On the other hand, if you're listening to a track/album that was originally 2 channel, then taking the 5.1 channel mix and converting it to 2 channel is kind of a waste.  Because the 5.1 channel mix is "made up" by the engineer; it wasn't actually recorded that way.  The down mix will be some strange approximation.  I've experimented with this with at least one well respected SACD and the MC JRSS down mixed version, from the 5.1 channel DSD mix, was kinda weird.  The 2 channel mix (original file) is better when you only have a 2 channel DAC/sound system.
Let me add that, since all this processing is done in PCM, there is no value in reconverting it to DSD for output.
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Kal Rubinson
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stanzani

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Re: multichannel dsd cannot play
« Reply #11 on: January 27, 2017, 12:02:50 pm »

Thanks all: I set bitstreaming to -none- and this solved the issue
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Stereo:
DAW: Fanless Case Streatcon 7 with MSI A97I mobo, 2 x 8G RAM (Hynix) with Intel I5 CPU.
NAS: QNAP TS-531 with 5x4TB HDDs
DAC/ADC: RME ADI2 PRO
Speakers (active): 2 x ATC SCM50ASL
Subs (active): 2 x REL 528 Signature
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