[ddots-l] Re: EQing tracks
- From: "Rod" <roddj12@xxxxxxxxxxx>
- To: <ddots-l@xxxxxxxxxxxxx>
- Date: Sat, 15 Oct 2005 08:10:23 -0400
Thanks Chris.
Rod Alcidonis
A gardener who cultivates his own garden with his own hands, unites in his
own person the three different characters, of landlord, farmer, and
labourer.
His produce, therefore, should pay him the rent of the first, the profit of
the second, and the wages of the third. (Adam Smith).
----- Original Message -----
From: "Christopher Bartlett" <cwbtt@xxxxxxxxxxxxx>
To: <ddots-l@xxxxxxxxxxxxx>
Sent: Friday, October 14, 2005 7:16 PM
Subject: [ddots-l] Re: EQing tracks
> At 04:45 AM 10/14/2005, you wrote:
> >kirt, what is a peak dip? I presume it has something to do with high
> >frequencies?
>
> It's a filter that either creates a dip or a peak in the frequency vs
power
> graph. You set the center frequency and the q value. If, say, you create
> a peak filter with a gain of 6db, a central freq of 400 hz and a q value
of
> 2, your band width is 200 hz, i.e. between 300 and 500 hz. At 400 hz,
your
> gain is 6db higher than the original signal. Below 300 hz and above 500
> hz, your gain is 0db different from the original. In your band width
> interval, the gain curves up to, and then back down from the gain you set
> for the central frequency. The shape of the curve depends on how the eq
> works, and I don't know that you can specify that in sonar.
>
> Positive gain = a peak, negative gain = a dip. Just picture the graph
with
> frequency on the x-axis and power on the y-axis.
>
> Chris Bartlett
>
>
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