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One-person a cappella live ("OPAL")

Play chords on a MIDI keyboard and use your voice to... voice it.

Source code

./aca.py is the only important file.

Video explanation

YouTube: https://youtu.be/uKA5eqZypM0
Bilibili: https://www.bilibili.com/video/BV1cf4y157ux/

Bohemian Rhapsody demo:

YouTube: https://youtu.be/dygKL4RDmvU
Bilibili: https://www.bilibili.com/video/BV1Xq4y1W7aL/

How does it work?

What are some DSP details?
Watch video presentation: https://youtu.be/QOtcpMk6jT0
Download slides: ./demos/technicalDetails.pptx?raw=true

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