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Click Image to Zoom InEnsuring the bitrate is high enough for a realistic experience. Privacy and Safety Considerations
Assuming it's a typo, let's try phonotrope. A phonotrope is a device that converts sound into visual patterns using a rotating disc with attached objects. Maybe this website is about that. I'll start researching "Phonotrope" to see if there's a known organization or project with that name. www phonrotica com full