So if you’ve got a Tandy TRS-80 Voice Synthesizer with a dodgy SC-01-A chip, you’ll definitely want to check out [Michael Wessel]’s Talker/80 project. It’s a plug-in module for the TRS-80 ...

Each voice can utilize three oscillators ... its hardware-gone-software strategy with the release of a plugin version of the Blofeld synth. Released in 2008 and named after a Bond villain, Blofeld ...