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keith
  • Member for 9 years
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7 votes
1 answer
13k views

How is the lowpass to bandpass transformation derived?

4 votes
1 answer
516 views

Are there other filter models besides IIR and FIR for processing digital signals?

4 votes
2 answers
331 views

Analytical way to generate an IIR that is the square root response of another IIR

4 votes
0 answers
83 views

Recover the first half of the time-domain signal of the N-point frequency domain signal using an N/2-point FFT

3 votes
1 answer
2k views

Complex IIR to Real IIR

3 votes
2 answers
1k views

Is there a method to calculate the maximum gain of a biquad?

3 votes
1 answer
188 views

Converting transfer function that is a sum of unusual rational polynomials to finite difference equation

3 votes
4 answers
3k views

Basic method for 2x oversampling?

2 votes
1 answer
633 views

Practical vs ideal lowpass interpolator

2 votes
1 answer
282 views

Biquad and polarity flipping

2 votes
1 answer
286 views

Polynomial division to separate FIR and IIR in cascade

1 vote
1 answer
2k views

FFT of two sets of samples vs FFT of sum of samples

1 vote
1 answer
234 views

Calculating phase response of filter with latency

1 vote
1 answer
815 views

Efficient computation of inverse FFT of real sequence using half sized FFT or inverse FFT

1 vote
3 answers
2k views

Designing a 2x interpolation filter for audio

1 vote
1 answer
722 views

How can resonance be added to a fractional order Butterworth low pass

1 vote
2 answers
2k views

Combining channels into single FFT left/right vs mid/side

1 vote
1 answer
644 views

Transform minimum phase FIR into linear phase FIR

1 vote
3 answers
1k views

Interpolating irregularly missing data points of regularly spaced data

1 vote
2 answers
804 views

Difference equation when transfer function expressed as poles and zeros

0 votes
2 answers
527 views

Learning about inverse-z-transform and how to apply it to a rational transfer function

0 votes
0 answers
181 views

Closed form solution for the minimum phase of a continuous magnitude response

0 votes
1 answer
170 views

Mid/Side encoding/decoding in frequency domain instead of time domain

0 votes
1 answer
2k views

Slope of 2nd order low pass vs band pass Butterworth filters

0 votes
1 answer
253 views

How to predict the cramped frequency of a digital filter based on an analogue frequency?

0 votes
2 answers
119 views

Approximate the change in perceived gain from applying transfer function to audio signal

0 votes
1 answer
672 views

Arbitrary Phase FIR design using FFT

0 votes
0 answers
78 views

Interpolation FIR filter Remez design criteria