Why is there no delay in my input signal after using fdesign.arbgrpdelay to introduce group delay?
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MathWorks Support Team
on 15 Sep 2022
Answered: MathWorks Support Team
on 6 Oct 2022
I am trying to introduce frequency-dependent group delay using the arbitrary group delay filter "fdesign.arbgrpdelay" of the DSP System Toolbox in MATLAB R2021b. Although filter characteristics I get via "fvtool" look like I am designing what I intend, once the filter is applied it doesn't introduce any delay into the signal.
Why is no delay introduced to my input signal?
Accepted Answer
MathWorks Support Team
on 15 Sep 2022
The input signal must be specified as a column vector instead of as a row vector. The number of rows of the input signal is the frame size, and the number of columns of the input signal is the number of channels.
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