i Chris.
At 12:24 PM 8/28/2010, you wrote:
I noticed it both in soundforge stock re-sampling, but ramped up
to highest quality, and also with sonar triangular and pow r 3.
You're talking about two different processes there. Resampling is
not the same thing as dithering.
Anyway, that's interesting you can hear a difference. Any audible
differences in dithering algorithms, for example, occur at least
90dB down, in the noise floor.
It's a very slight pitch variance but you can hear it.
Here's an experiment to try ... play one channel from the file that
you say has been changed slightly in pitch, through one channel,
and the same channel but from the 24/96 source through another
channel. Any pitch difference between the two should be quite
audible as beating.
I'll have to install sf10 again and play with the isotope stuff,
since we don't really have anything but presets, I haven't messed
with that too much.
Yep we only have access to presets when it comes to the mastering
effects bundle, but we can access everything in the sample rate
conversion and dithering plug-ins. They are quite simple. Pick a
preset like resample to 44.1KHZ, and then maybe check the box that
says "use simlified quality setting". Then, you'll find a quality
slider that defaults to 50%, which you can bump up to 100% for
maximum quality. This also means maximum time crunching all the
numbers.
iZotope 64-bit SRC is on the Process menu under Resample, and
Bit+Dither is on the Bit Depth sub-menu, again under Process. I
bet you can't hear a difference when resampling with iZotope 64bit
SRC with maximum quality and Bit+dither set to "advanced ultra dither".
So what's up with the accessibility on lthat stuff, any progress,
or did that die on the vine?
RX as a stand-alone application is getting there. As for Ozone run
under Sonar, not much progress has been made yet. They haven't
given up though, it's just going very slowly.
Chris
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