frank desben

I am trying to convert a sound into a 2D spectrogram (via FFT) where the X-axis is the FFT per frame and the Y-axis is the time. 

Basically I want to create a matrix that captures the sound of one second.

In the next step I want to also play back from that matrix - without noticable/strong quality loss.

So the temporal resolution should be good.

I looked at fft~ and jit.poke and also jit.catch - but didn't get it to work yet.

loadmess

number

jit.fpsgui

jit.pwindow

message

metro

line~

pack

cycle~

flonum

drunk

outlet

selector~

count~

jit.poke~

cartopol~

fft~

adc~

jit.matrix

toggle

Can anybody point me to a solution for this?

Dear all,
I am trying to convert a sound into a 2D spectrogram (via FFT) where the X-axis is the FFT per frame and the Y-axis is the time. 
Basically I want to create a matrix that captures the sound of one second.

In the next step I want to also play back from that matrix - without noticable/strong quality loss.
So the temporal resolution should be good.

So far I didn't manage to solve it.
I looked at fft~ and jit.poke and also jit.catch - but didn't get it to work yet.

Can anybody point me to a solution for this?
Best, Frank

Dear all,
I am trying to convert a sound into a 2D spectrogram (via FFT) where the X-axis is the FFT per frame and the Y-axis is the time. 


spectrogram-fft-as-matrix-back-and-forth

http://www.tadej-droljc.org/portfolio/sonographic-sound-processing-article/gallery/max-related-articles/

Download link to patches and dissertation

http://www.tadej-droljc.org/portfolio/sonographic-sound-processing/

http://www.tadej-droljc.org/portfolio/sonographic-sound-processing-article/gallery/max-related-articles/ 

http://www.tadej-droljc.org/portfolio/sonographic-sound-processing/ 

Check out the spectral processing tutorials from Jean-Francois Charles

hey, does anyone got the patches and dissertation from tadej? His webpage is not working atm :(

Spectrogram FFT as Matrix (back and forth)