static int onPassiveSpeechRecognized_interval = 100;

// f gets only the utterance
static TailFile onPassiveSpeechRecognized(IVF1<S> f) {
  if (f == null) null;
  ret watchQuotedLog_future(passiveSpeechRecognitionLog(), onPassiveSpeechRecognized_interval, voidfunc(S s) {
    f.get(afterSquareBracketStuff(s));
  });
}