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This is part of beta version of Cyber Music Studio™. It's not finished yet and can be broken at any moment.

Feel free to test it and report bugs here.

KASIA

an bootleg 80s Casiotone
SYNTH VOL
TAPE VOL
αV
O
F
A
D
S
R
βV
O
F
A
D
S
R
Use computer keyboard or following widget:
or MIDI input:
EQ HI
EQ MID
EQ LOW
REVERB

vowel-consonant synthesis

In 1980s CASIO released series of inexpensive Casiotone keyboards. Some of them were using mysteriously named vowel-consonant synthesis.

It's description in US patent 4419919A sounds complicated but it's very simple in fact - it uses two square waves with different envelope filtered by static low pass filters.