Re: [linux-audio-user] Re: Sample Rates / Sample Sizes

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Subject: Re: [linux-audio-user] Re: Sample Rates / Sample Sizes
From: Jan Depner (eviltwin69_AT_cableone.net)
Date: Wed Jun 23 2004 - 20:52:11 EEST


Hi Mark. There's another good question. I've read a bunch of stuff on
dithering but I haven't noticed the difference. Which do you use,
shaped or triangular?

Jan

On Wed, 2004-06-23 at 12:39, Mark Knecht wrote:
> Jan Depner wrote:
> >
> > Yes, I hear a difference there as well. What I need to do is write a
> > script that will play different wav files at random without telling me
> > which is which. It should record the order in which they are played and
> > I would then rate them by number. Run it a few times and see if I
> > really do hear a difference or if it's all in my head. BTW, I'm running
> > an ST Audio C-Port DSP2000.
> >
> > Jan
> >
>
> Jan,
> Hi! It's been a while.
>
> That script may or may not be enough for you to really tell the
> difference. One thing many people say is that the human ear is not good
> at picking out improvements, but it's great at picking out problems. The
> long time example of this is to do something like this:
>
> 1) Do all your work for a week at one resolution, say 44.1K or 16 bit or
> whatever. your ears get used to this. Then move temporarily to some
> level you expect is better, like 24/96. In general you won't hear much
> improvement.
>
> 2) Do all your work for one week at a 'better' resolution, such as
> 24/96. Then move temporarily to the 16/44.1 environment. In general you
> will hear the difference.
>
> I think another area where this sort of 'logic', if you will, shows
> up is when comparing dithering techniques. Sometimes I just can't tell
> that a certain dither is better, but often I get an impression that
> another is worse. It's all pretty subtle, and when you get old like me
> you aren't sure you can trust your ears enough to make a decision.
>
> Just my 2 cents,
> Mark


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