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Results tagged with audio
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user 1255
Audio, or in terms of signal processing, an audio signal is an analog or digital representation of sound, typically as an electrical voltage.
9
votes
1
answer
7k
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Plotting the magnitude response of a biquad filter
I've put together a multi-band audio EQ using biquad filters. I'm getting the coefficients using the methods from the RBJ cookbook.
Now I want to plot the curve showing the magnitude response. …
- 293
5
votes
Accepted
Plotting the magnitude response of a biquad filter
Someone over at the KRV forum pointed out that I need to normalize my coefficients so that a0 = 1.
b0 /= a0;
b1 /= a0;
b2 /= a0;
a1 /= a0;
a2 /= a0;
a0 = 1;
- 293