Delay effect for Arduino synthesizer is stereo now - demonstration using an ESP32 DIY synth (piano)

This is a very short demonstration of the updated delay effect which produces a stereo sound now.
It still supports the main parameters: delay time, input/output volume, feedback.
In addition to that it has a shift parameter which shifts one channel against the other.

It is based on the original delay effect using one buffer for the mono input sound.
The main delay is output to one channel and with a little offset to the other channel creating a little stereo / chorus like effect.
A shift parameter controls the second delay time which will output the sound only to one channel.

Within the e-piano project the PSRAM is required to have enough memory to run the delay.

I am looking forward to improving the module (cleanup and support for non-FPU MCUs).
The effect will be available (soon) within the ML_SynthTool library.

Full polyphonic E-Piano project: https://github.com/marcel-licence/ml_...

Projects can be found on GitHub: https://github.com/marcel-licence
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Intro: (0:00)
Some details: (1:25)
Conclusion: (5:10)