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 Forum index » How-tos » Manuals, Instructions, and Documents
Differentiation and Integration of Audio Signals
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robsol
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PostPosted: Sun Apr 27, 2014 6:21 am    Post subject: Differentiation and Integration of Audio Signals Reply with quote  Mark this post and the followings unread

http://pcfarina.eng.unipr.it/Differentiation-Integration.htm

This web page explains in audio terms what it means to apply these processes on an audio signal. Even I can almost grasp it. Wink

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elektromeister



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PostPosted: Wed Jan 11, 2017 12:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

That is interesting. The differentiation performs something like a high pass, while the integration performs a high cut.

Hm, I wonder how one could use the in sound processing.

Anybody knows, where and how this is done?

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Blue Hell
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PostPosted: Wed Jan 11, 2017 12:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

Some I've been using are ...

differentiation is change detection, so can be used for instance to detect a pitch control signal change to start an envelope.

In digital signal generation there is an alias reduction trick based on integration / differentiation (DPW, Differentiated Parabolic/Polynomial Waveform).

Integration can be used to create saw and triangle wave forms, both analog and digital.

The integrator is a building block for the State Variable Filter (SVF).

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