sS vosk_postprocess(S voskOutput, O... _) {
  optPar bool verbose;
  new LS out;
  for (S s : tlft(voskOutput)) pcall {
    if (startsWith(s, "{")) {
      if (verbose) print("JSON line? " + s);
      S text = cast jsonDecodeMap(s).get('text);
      if (nempty(text)) out.add(text);
    }
  }
  ret lines_rtrim(out);
}