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 Forum index » DIY Hardware and Software » Microcontrollers and Programmable Logic
Real-time Reverse Effects
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Andrew C.



Joined: Mar 23, 2020
Posts: 1
Location: US, Ohio

PostPosted: Mon Mar 23, 2020 3:45 pm    Post subject:  Real-time Reverse Effects
Subject description: Reversing Audio for Reverse Delay
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Hey all,

I've been holding on to this idea for quite a few years now, teaching myself a host of engineering principles and building music equipment with primarily analog components. My goal, however, is to really dig further into DSP and learn what language, microcontrollers and processors I would need to help some of my ideas come to fruition.

A proper and clean, reverse delay is one of the main projects I've been after, especially being places within an effects pedal that's capable of also synthesizing organic sounds like simulated wing-flapping, dripping corona discharge, independent upward and downward time modulation, etc... The reverse aspect for a delay pedal is something that I've been trying to research for a few years and I just can't seem to piece together the knowledge of how to instruct a chip to flip the audio by reading it properly, storing the sample in RAM (even if it's just from 500ms-1s) and then emitting it through DAC toward the end. There's been analyses of these projects on a few sites, but obviously a lot of the development and examples that go into the process are kept pretty close to the chest.

The reason I want to be able to control this digitally is to cut down on the amount of components I'd have to use through analog means and, ultimately, the footprint left behind through the building process. I've known the digital community to be some of the most intelligent and fluid folks with knowledge over these DIY projects or with information to look at initially to help guide along a path that would approach this topic especially.

If anyone would be willing to help with understanding this, I would be eternally grateful and, of course, source every bit of that credit. Thank you for reading this far.
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