Computer Audio Asylum

Posted by Jim F. (A) on March 10, 2008 at 10:21:48

In Reply to: RE: PC Audio - how to get close to vinyl sound posted by Nirmala on March 10, 2008 at 09:20:42

> I love the convenience of having all my music from
> one source. . . [W]hat I don't like is the sound seeming
> sterile still. . . what can I do to get the vinyl sound
> with my PC audio setup?

Yes, you're going to have to look into "sweeteners".

Be warned -- these are very controversial, so if, apart from
the sound, it means something to you that your system should
be able to hold up to public scrutiny, then you might
want to think twice about them. ;->

Burwen Bobcat, as mentioned. (Dismissed peremptorily by
John Atkinson of _Stereophile_ as a "tone control" --
you see what I mean by "controversial".)

Eximius DVD2One upsampling.

Other kinds of real-time and off-line upsampling --
SRC for Foobar (both the new 0.9.x version and the
older 0.8.3 version [if you can find it]). R8Brain Pro.
The sample-rate converter in Adobe Audition has been
mentioned favorably. iZotope 64-bit SRC (only available for the PC
as part of iZotope Advanced RX, for -- $1100, is it?)

Hardware upsampling -- the latest chips such as
the SRC4192 are supposed to be pretty decent. Also,
there are custom-DSP boxes like the dCS Purcell (which
has started to show up used in some numbers).

Creative's "24-bit Crystalizer" that comes with the
X-Fi cards. :-0 :-0

"Word-length extension" boxes. The Genesis Digital Lens and
the Meridian 518 added shaped noise below the 16th
bit (expanding 16 bits to 20 bits, in the case of the Lens;
up to 24 bits in the case of the Meridian), both are available used
at reasonable prices.

The Audio Alchemy DTI-Pro32 used some kind of algorithm
for the extrapolation of low-level information. The Perpetual
P-1A was a later incarnation of the Audio Alchemy algorithm.

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