>As it is right now I use a 30 sec sweep. But If I record on tape and can
>analyze the recording with a software, why should 1 sec be too short?
Accuracy at low frequencies takes time. I think averaging many
repetitions of the fast sweep can have the same effect.
>Dan, anybody - what is a FFT-meter? It's with my editing program also with
>Cool Edit, I think. It looks like a frequency curve and it seems to work a=
s
>a such. If I record a logarithmic sweep 20-20.000 Hz in one second, then
>make a .wav file of it and ask the FFT analyzer display it - will it show =
a
>common frequency curve, as we know them from before computers?
No, it's a real-time analyzer, more useful for looking at pink noise.
But with pink noise you can't do the level correction that you do
with your sweep source.
BTW, I can't imagine your level-correction loop can work that fast either..=
.
-Dan
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