1 (edited by ignaceland 2014-09-12 23:25:36)

Topic: Analysing a FLAC cd at 96khz

Hi! I just happened to be playing a FLAC encoded CD (44.1 khz, 16bit) in foobar2000, I had my UCX sample rate set to 96khz and opened Digicheck Totalizer.
I found strange that in the analyzer there appeared a lot going over 22050 khz and wanted to ask, is this normal? Why does it happens?
I thought it can be some decoding thing when being played at a higher sample rate.
But it makes me wonder what is that doing there and where did it came from, hehe.




Re: Analysing a FLAC cd at 96khz

What filters used for the analyzer? Anything below BIQ will have crosstalk into other bands.

Matthias Carstens

Re: Analysing a FLAC cd at 96khz


it was set as 30-band BIQ, tried other ones and the result is even more prominent.

Re: Analysing a FLAC cd at 96khz

What's the point of anaylyzing a 44k file with the UC running @ 96? What you are seeing might simply be an effect of Windows' internal sample rate conversion (assuming the file plays back at the correct pitch and speed).

Daniel Fuchs

Re: Analysing a FLAC cd at 96khz

Hi Daniel,

No point at all, I was working at 96khz, stopped to listen to some music in foobar2000 and watched DIGICheck.

What I saw made me ask this question here and get doubts to what I've been seeing up there on some 96khz tracked material (where DIGICheck displays a kind of natural harmonic decay from 16khz to 30khz+), where I thought I had tracked cymbals and ac. guitar's very high harmonics smile, but this made me wonder about the accuracy in the upper range.

Thanks for the info!