sS deepspeech_recognize16KWav(File wav) {
  File dir = assertNotNull("DeepSpeech dir not set", deepspeech_dir());
  File deepspeechBin = newFile(dir, "deepspech");
  LS args = ll(
    platformQuote(newFile(dir, "model1")),
    platformQuote(newFile(dir, "model2")),
    platformQuote(newFile(dir, "model3"))
  );
  assertFileExists(deepspeechBin);
  File virtualEnv = userDir("tmp/deepspeech-gpu-venv");
  File virtualEnvActivate = newFile(virtualEnv, "bin/activate");
  ret backtick(platformQuote(virtualEnvActivate) + " && "
    + platformQuote(deepspeechBin) + " "
    + joinWithSpace(args) + " " + platformQuote(wav));
}

sS deepspeech_recognize16KWav(S wav) {
  ret deepspeech_recognize16KWav(newFile(wav));
}