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[Octave-bug-tracker] [bug #63440] [octave forge] (signal) sosfilt - NaN

From: Renato
Subject: [Octave-bug-tracker] [bug #63440] [octave forge] (signal) sosfilt - NaN
Date: Wed, 4 Jan 2023 09:16:13 -0500 (EST)

Follow-up Comment #7, bug #63440 (project octave):

Hi Charles,

Could you please confirm on your Matlab if this abnormal high-pass filter is
also happening there?

At the end of the code on comment #4, please add the aditional line:

audiowrite ('signal.wav', normalized, sampling_rate);

And then you can open it on Audacity and go to menu Analyze --> Plot Spectrum

Looks like the low-pass filter is working ok, but the hi-pass filter is
working just at a certain limit.

(file #54190)


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