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Topic: DSD vs DXD same file 2 formats (Read 3881 times) previous topic - next topic
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DSD vs DXD same file 2 formats

Iman Spaargaren & Peter Bjørnild in Pure DSD
At Sound Liaison, innovation is at the heart of everything we do. For our first pure DSD recording, we collaborated with the international duo Iman Spaargaren (clarinet) and Peter Bjørnild (double bass). Celebrated for their lyrical playing, strong interaction, and deep musical connection, they seamlessly challenge and complement each other. Their commitment to genuine musical emotion and dynamic interplay shines through in this beautiful reimagination of My Funny Valentine.

Using a minimalist setup with a Josephson C700S stereo microphone, I captured the full purity and dynamics of their performance.
The recording was made in Pyramix DAW, mixed on a vintage Studer 169 console for warmth, and enriched with TC System 6000 reverb.
The mix was refined using Linkwitz LX521.4MG dipole speakers, bringing out an extraordinarily deep and immersive soundstage.
Spoiler (click to show/hide)

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Re: DSD vs DXD same file 2 formats

Reply #1 –
They have a different format comparison file here: https://soundliaison.com/products/compare-formats-free-downloads
I wonder if that was the one that had files too easily seen to be upconverted by padding with zeroes ...

Also, seriously, calling it "PureDSD" when they have first sent it through the analog domain and then through a digital processor that as far as I can see from the user manual, works in no higher than PCM 96kHz ... atop DSD being an unsuitable format for music delivered to consumer on file. Seems the process was:
1) recorded to a DAW with unspecified audio format, but surely more than high enough was possible
2) analog mixing
3) digital reverb added, and at this stage it is no more than 96 kHz PCM ... which is enough, but then:
4) converted to a nonsensical format
5) back to PCM, this time 352 kHz

And then they write:
Furthermore, DSD256 files can be stored, copied, and archived without the unavoidable degradation and aging of analog master tape.
Yeah ... you mean you couldn't do that from the file you got from step number 3?

Re: DSD vs DXD same file 2 formats

Reply #2 –
There can't be an audiophile recording without some artifacts in those ultrasonics :)

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Re: DSD vs DXD same file 2 formats

Reply #6 –
Right, the SACD spec puts the filter at 50 kHz, even if implementations vary.
 
Seriously, could that 50 kHz tone mean it has been in the analog domain after DSD (in turn, after being PCM at 96 kHz)?


Quote from: Gabriel Schwartz on
Nothing anyone can ever hear so why worry?
Could make amps and speakers misbehave. Not saying it will fry your tweeters, but intermodulation distortion isn't at the same frequency, so it could appear in the audible range. There's a reason that SACD players shall filter the noise off. (You get it quite for free by converting to PCM at 88.2?)

Measuring ain't listening, but for what they are worth, from https://archimago.blogspot.com/2022/06/notes-on-dac-dsd-1-bit-pdm-measurements.html :