vv-connect -- Connect to the ViaVoice speech recognizer, calling PROC after connected.
vv-disconnect -- Disconnect from the ViaVoice speech recognizer, calling PROC after disconnected.
vv-close -- Close connect to the ViaVoice speech recognizer.
vv-connected? -- Return #t if we are connected to the ViaVoice speech recognizer.
vv-define-grammar -- Use GRAMMAR-FILE as the ViaVoice grammar and give it name NAME.
vv-enable-vocab -- Enable vocabulary/grammar NAME.
vv-turn-microphone-on -- Turn the microphone on to start recognizing commands.
vv-turn-microphone-off -- Turn the microphone off to stop recognizing commands.