I guess this is like a modern version of pink trombone - https://dood.al/pinktrombone/
Also is the name a Teto reference?
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which is itself a version of research going back nearly 100 years.
e.g. the "Voder" by Homer Dudley - Bell Labs, 1939:
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Yes, this reminds me exactly of pink trombone. Thanks for posting the link, I'll re-add it to my bookmarks.