please include function cereproc_preload.

static int cereproc_maxChars = 1000;

static File cereproc(fS voice, S text, O... _) {
  text = cereproc_preprocess(text);
  if (empty(text)) null;
  
  print("[" + voice + "] " + text);
  
  do {
    sleep(10);
  } while (eq(cereproc_preload_loading, pair(voice, text)));
  
  File file = cereproc_silent_preprocessed(voice, text);
  if (file != null) {
    lock voiceOutputLock();
    logStructureWithDate(cereprocLog(), litorderedmap(action := "Begin talking", +voice, +text));
    fS _text = text;
    
    if (isStefanReichsPC()) {
      Map map = litorderedmap(
        where := "voice",
        type := 'said,
        +voice,
        date := localDateWithMilliseconds(),
        globalID := aGlobalID(),
        +text);
      mechAppendQ_noUniq("Voice I/O Log", struct(map));
    }
    
    optPar IVF1<File> playMP3;
    if (playMP3 != null)
      callF(playMP3, file);
    else
      playMp3(file, _);
    logStructureWithDate(cereprocLog(), litorderedmap(action := "End talking", +voice, +text));
  }
  ret file;
}