SB Touch & DSD with a DoP DAC!

[Archimago]

Something that looks really cool to try for those who have a DSD-capable
DAC with DoP. Too bad the Transporter can't do this or I would
definitely have a go at it in my main system :-)


http://www.computeraudiophile.com/f11-software/playing-dsd-any-players-including-squeezebox-touch-16346/


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[adyc]

It works with Emmlabs DAC2x USB input.


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[Archimago]

Post by adyc
It works with Emmlabs DAC2x USB input.

Haven't tried this yet with my Touch --> TEAC UD-501.

Curious, what kind of % compression are you seeing with DSD data packed
with FLAC? With most DSD files, when I use DST, I'm getting about 50-60%
compression with most orchestral/classical pieces. I imagine that FLAC
might not be as efficient given the type of data.


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[Leica]

This is brilliant. I tried it and it works like a charm. So now FLAC
files with artwork and metadata have DSD audio inside of them!

I am using a Chord Chordette QuteHD and it plays them in native DSD
without any problems and also gapless perfectly too.

The FLAC compression isn't working too well. My compressed bitrates are
around 5500Mbps and this is with FLAC 1.21 set to level 8, the highest
compression. The saving from ISO is negligible. Are SACD ISOs already
compressed?


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[adyc]

Post by Leica
This is brilliant. I tried it and it works like a charm. So now FLAC
files with artwork and metadata have DSD audio inside of them!
I am using a Chord Chordette QuteHD and it plays them in native DSD
without any problems and also gapless perfectly too.
The FLAC compression isn't working too well. My compressed bitrates are
around 5500Mbps and this is with FLAC 1.21 set to level 8, the highest
compression. The saving from ISO is negligible. Are SACD ISOs already
compressed?

Are you using Touch to output to chordette qutehd? I thought qutehd dac
requires proprietary driver and Triode EDO plugin does not qutehd??


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[Leica]

Post by adyc
Are you using Touch to output to chordette qutehd? I thought qutehd dac
requires proprietary driver and Triode EDO plugin does not qutehd??

Sorry no, I did not use the Touch. I sold my Touch a while ago and am
currently looking to build a Raspberry Pi based Touch equivalent.

I am using the QuteHD via USB and the software is JRiver and foobar2000.
With foobar2000 it has a digital volume control in WASAPI and it is very
interesting using this when playing these DSD/FLAC files. You get a hiss
sound and 176kHz LED from the DAC, but as soon as you move the volume
slider up to the maximum the DAC magically lights up the DSD LED and you
get glorious music! So at 100% volume the output is bit-perfect and the
DAC instantly recognises the stream as DSD.


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[Archimago]

Post by Leica
The FLAC compression isn't working too well. My compressed bitrates are
around 5500Mbps and this is with FLAC 1.21 set to level 8, the highest
compression. The saving from ISO is negligible. Are SACD ISOs already
compressed?

That's what I found as well. Only about 20-30% savings over a large
24/176 file vs. easily 50% savings over a native DSD (about the size of
24/88) with DST meant for DSD.

I think I'll hold off streaming DoP off LMS like this due to excessive
file sizes!

Good luck with the Raspberry build. I'm tempted to try getting a low
power quiet NUC-like device for headless DSD streaming to my TEAC in the
sound room since running Windows with JRiver should be very good so long
as it's silent. I like the idea of being able to control it with an iPad
or Android.



Archimago's Musings: (archimago.blogspot.com) A 'more objective'
audiophile blog.
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[Leica]

Archimago,

Even with the inefficient compression, the convince of FLAC makes it
very much worthwhile for me.

Have you tried it with you Teac UD-501? Does it auto switch to DSD with
the FLAC files?

Leica.


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