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Forum: VirtualDJ Plugins

Topic: how to manage FFT and delay in the same plugin?

This topic is old and might contain outdated or incorrect information.

Who can help me to make a phaser.

I need to :
1/ add a way to select frequency bands in OnComputeNewSamples
OR
2/ add a way to select a delay in OnProcessFFT

But I don't know how we can do it :(


 

Posted Mon 05 Sep 05 @ 6:18 pm
Deun-Deun i think it's not possible via one plugin. You can choose between fft or normal processing.
In fft mode sample functions are not working. :-(

rpobably you can use some FFT routines yourself and use a standard plugin with your fft engine. I see this as an only solution to combine it in one plugin.

You can of course save FFT data in FFT mode and use them later in order to delay one channel or particular band.

But the delay can be made only in "buffersize" steps.
So you can memorize fft data for one channel and let them play in next "processFFT" cycle.
 

Posted Tue 06 Sep 05 @ 12:47 pm
lopez453

On internet, I found 2 C++ files (.cpp and .h) about FFT and iFFT.

I wonder if we can do something with these files?
 

Posted Tue 06 Sep 05 @ 1:36 pm
theoretically your plugin gets wave data,
you will trasform them into fft do the nasty things, use iFFT to have wave again
do the nasty wave things, and return the wave buffer to vdj.

try to simply use your fft and ifft without altering anything just to see if there are any side effects
when "passing" thru

currently I'an finishing the Tractor skin and at the same time working on Harmonic subbass (yes, exactly as seen on my numark DXM 01 USB) so I will have to deal with FFT too, but I will probably use VDJ's internal stuff.
 

Posted Tue 06 Sep 05 @ 5:58 pm
the problem is that I have not enough knowhow to insert fft and ifft in vdj.

Great work your project for subbass. My mixtable is the dxm06, but I hesitated with the same as yours precisely because of subbass functionality :)
 

Posted Tue 06 Sep 05 @ 10:30 pm
Hi Lopez453

As you can see, your user level is changed :)
You are now Experienced

Congratulations !
 

Posted Tue 13 Sep 05 @ 3:40 pm
Thanks Deun-Deun, i was just leaving work-office and have a short look at forums.
If i didn't read your post i even won't notice it. hehe

Hmm my dinner will taste much better.

So I'll do my best to share my "experience" with others :-)
 

Posted Tue 13 Sep 05 @ 7:38 pm
;-)

I understand, and you will discover some other changes also. Take a little time to look on the web site.
 

Posted Tue 13 Sep 05 @ 10:42 pm


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