Software like jBridge can wrap the 32-bit DLL so it works in a 64-bit environment.
Choose whether to use the internal synth or sidechain an external synthesizer into the plug-in. orange vocoderdll
You don’t need to route an external synth into it (though you can). The DLL includes a built-in virtual analog synthesizer specifically tuned to work well as a carrier signal. Software like jBridge can wrap the 32-bit DLL