Re: different results in fft of an chirp in matlab and octave

[Przemek Klosowski]

On 03/07/2018 04:33 PM, Mike Miller wrote:
> On Wed, Mar 07, 2018 at 14:47:54 +0100, Dietmar Warning wrote:
> > can anybody help me to find out why I get different results by
> > plotting the fft results of a 800 ... 50kHz chirp Signal in matlab and
> > octave.
> Yes, this is likely an error in the Octave chirp function with the
> "logarithmic" option.
If you look at plots of specgram(ChirpSignal) in Octave and Matlab, 
Octave's looks like it spends too much time in the low frequency range.

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