Questions tagged [parametric-eq]

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2answers
951 views

How do software equalizers work?

Recently, I have been studying IIR and FIR filters, and trying to create a parametric equalizer using a microcontroller. More specifically, I use the ADC on it to sample the audio at about 44 kHz, and ...
3
votes
3answers
134 views

Programming a parametric equalizer - preventing clipping

I've been developing a music player for Android for many years, and I've recently started working on the implementation of a parametric equalizer. I'm having trouble preventing a gain at one band ...
0
votes
0answers
113 views

PeakEq center frequency does not match frequency response

Following the Cookbook i calculed these coefficients: ...
1
vote
1answer
158 views

Non-separable, higher-order generalized cosine windows in 2D for images

Higher-order generalized cosine windows define a useful parametric family of windows functions, embedding Hamming, Hann, Blackman, Nutall, etc.: $$w(n) = \sum_{k = 0}^{K} a_k\; \cos\left( \frac{2 \pi ...
2
votes
4answers
3k views

parametric eq with FIR filters

Are there any good published approach for designing parametric EQs as FIR filters. The standard techniques discussed in DSP textbooks are frequency-domain-sampling or using Parks-McClellan, which ...
1
vote
2answers
970 views

Continuous EQ defined by a curve

I'm trying to figure out how to implement a continuous EQ filter. I have in the past built a parametric EQ and then built a 10 channel EQ using 10 of these parametric filters. This gave nice results....