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[dcollins]

mikepecchio wrote on Wed, 16 November 2005 21:38

I know it works and that "phase shift" is a non-issue.

Ok, I just want to make sure people understand you don't need latency correction for analog audio.

Quote:

but I maintain that I *could* measure some differences between a straight piece of wire and a 33609 (what Ive got patched up right now).

Sure, but at what frequency?

DC

[lagerfeldt]

bblackwood wrote on Thu, 17 November 2005 03:53

lagerfeldt wrote on Wed, 16 November 2005 20:19 Brad, while the ear generally might be relatively insensitive at high frequencies, personally I freak out over stuff like dithering noise shaping (such as POW-r#2 or most IDR), and that's certainly ultra high pitched, and low level too. So I see no reason why the phase shifting shouldn't be noticable to some people. Considering decades of research indicate the contrary, you're free to assume what you wish. Hearing a tone and hearing phase shift are massively different things...

Maybe I misunderstood the issue then.

[EP]

mikepecchio wrote on Thu, 17 November 2005 05:38

I know it works and that "phase shift" is a non-issue. mike p

yep, I too have been using it with what I felt were good results. I was just wondering *if* there were any concerns on the subject of phase shift, which I have not noticed in my uses.

Thanks for all the input.

[ammitsboel]

bblackwood wrote on Thu, 17 November 2005 02:53

lagerfeldt wrote on Wed, 16 November 2005 20:19 Brad, while the ear generally might be relatively insensitive at high frequencies, personally I freak out over stuff like dithering noise shaping (such as POW-r#2 or most IDR), and that's certainly ultra high pitched, and low level too. So I see no reason why the phase shifting shouldn't be noticable to some people. Considering decades of research indicate the contrary, you're free to assume what you wish. Hearing a tone and hearing phase shift are massively different things...

Yes, it certainly helps to keep things in right context.
Rune tried to teach me that back in Denmark and Peter at AN tries his best too... I think I'm slowly starting to get the message

[bblackwood]

dcollins wrote on Wed, 16 November 2005 23:10

mikepecchio wrote on Wed, 16 November 2005 14:52 even something like a STC-8 has at least one lowpass filter in there. Well, the STC-8 is a sampled device so you need LPF's, but they are at like 1 MHz -- again not a problem.

Good point...

[mikepecchio]

I hate to nitpick. I agree with you guys. BUT the STC-8 "only" has a published HF response to 55kHz.  I can't quote a source, but I remember hearing once that the PWM frequency was closer to 100k. Is it actually 1 MHz?

mike p