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Question
Where can I find this method?
I tried using the method "ecg". This is my error message, what I got. *Undefined function 'ecg' for input arguments of type 'd...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Finding [x,y] - coordinate from peaks in plot
Hello! I was searching for a solution, but wasn't able to find any satisyfing answer, since every method I found, is for a spe...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How to measure the peaks in my plot?
I will keep the explanation, how my codes works, very short. I advise you to try this code yourself, so perhaps you understand i...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Why do i get the message" too many output arg"
I am trying to apply a filter on my music-file.By trying it to run, i get the error message Error using audioread Too ...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Getting magnitudes from frequency spectrum
The amplitude of a variable is the measure of how far, and in what direction, that variable differs from zero. Thus signal ampli...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How can i calculate the individual magnitude from my band?
I took out 50ms from a signal and then apply a fft on it. Afterwards i separate it in 3 band. How can i calculate the individual...
presque 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Detetcting time difference between peaks in 3D-Spectrogramm
I did a STFT on my audio signal. Then i noticed, i have very high amlitudes in a range between 1-1000hz. So i defined 3 frequenc...
presque 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Spectogram - 3 -dimensional-plot?
Hello Community! I am trying to *turn a two-dimensional output of a spectogram to a 3-dimensional plot*. Here in this code, i a...
presque 9 ans il y a | 1 réponse | 0
0
réponseQuestion
What is the difference between those two functions?
I have been using the function mesh and surf on two different occasions, but i still don't understand, what exactly is the diffe...
presque 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
What are "frequency bins" ?
Hello! What exactly are frequency bins and how are they defined? I know, that these things are mentioned in the FFT. How are th...
presque 9 ans il y a | 1 réponse | 1
1
réponseQuestion
Using the time length of my audio signal as a time axis
How can i create a *time axis, which is as long as my audio signal?* I want to create a 3D-Plot, but i need to know, how to ...
presque 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How to average values and get a one-sided spectrum from two-sided spectrum?
Hello Community! In this code i am doing a STFT on my WAV-File. If you look at the "parameter code-line", you can see, that i a...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
How i do i get the value of a fft bin?
Hello Community! First of all, half of this code is taken from this website. Because i needed a part of it since it is for a...
environ 9 ans il y a | 1 réponse | 0
