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In Reply to: RE: My USB DAC research and some questions... posted by drrd on December 22, 2008 at 04:34:29
How do you mean better than hardware? If you're talking about software playback with upsampling straight to a DAC compared to playback with a hardware upsampler in series how do you separate out the SRC quality from the playback process?
I've *processed* files with different SRCs including loopback recording the output of a hardware upsampler and then playing the files back with the same software/hardware; secret rabbit was noticeably worse than r8brain which was slightly worse again than the hardware SRC. 44.1 -> 96 or 192 was not as good as 44.1 -> 88.2 or 176.4.
To me Foobar 8.3 with secret rabbit 44.1 -> 96 smooths the high frequencies but is very woolly sounding, I've never really liked it.
Disregarding my opinion and looking at http://src.infinitewave.ca/ secret rabbit 1.2 doesnt actually plot very well against r8brain or, for example, the Weiss hardware SFC2.
I agree with the above post. redbook upsampled x2,x4,x8 DOES sound better than the fractions you get with 96k or 192k.
BTW, did you try the Saracon software upsampler?
It should match or besten the quality of the Weiss hardware upsampler.
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