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Re: FIR allpass with desired group delay

Reply posted 2 years ago (03/14/2020)
Hi Rick,zero radians at zero Hz is fulfilledminus 2*pi radians at 24 kHz is fulfilled.But minus pi radians happens at the frequency (46.875 Hz) which is entered...

Re: FIR allpass with desired group delay

Reply posted 2 years ago (03/14/2020)
The samplerate should be the same. So SRC is not a solution right now.I don't understand what you mean with "suddenly flies". The calculated group delay is shown...

Re: FIR allpass with desired group delay

Reply posted 2 years ago (03/13/2020)
Hello Rick,here is e.g. the 2nd order allpass (EQ cookbook) with f= 46.875 Hz and Q=4. The samplerate is 48 kHz. Thus f is on a frequency bin, cycle time is 1024...

Re: FIR allpass with desired group delay

Reply posted 2 years ago (03/13/2020)
I'm sorry but you have not understood my question.It is not dealing with a simple delay line with x samples. Such a delay line delays all frequencies equally.But...

FIR allpass with desired group delay

New thread started 2 years ago
Hello, I have a question about designing a reasonable FIR allpass filter with a desired group delay. Example: a FIR filter is designed as finite sequence from a...

Re: FIR filtering vs linear convolution

Reply posted 2 years ago (02/28/2020)
{1,4,10,20,25,24,16} is the correct answer. So the other calculation is flawed.

Re: Hilbert-Huang Transform

Reply posted 4 years ago (11/07/2018)
https://cran.r-project.org/package=hht
With flac or other compression formats you can squeeze the storage space. And you can go back and forth without loss.- Uli

Re: complex exponential - what Am I missing?

Reply posted 5 years ago (06/14/2017)
The basic formula issqr(sin(alpha)) + sqr(cos(alpha)) = 1Thus the correct formula for your example issqrt(sqr(sin(alpha)) + sqr(cos(alpha))) = 1

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