sS deepspeech_recognize16KWav(File wav) {
  assertFileExists(wav);
  File dir = assertNotNull("DeepSpeech dir not set", deepspeech_dir());
  File model1 = newFile(dir, "deepspeech-0.6.1-models/output_graph.pbmm");
  assertFileExists(model1);
  LS args = ll(
    "--model",
    platformQuote(model1),
    "--lm",
    platformQuote(newFile(dir, "deepspeech-0.6.1-models/lm.binary")),
    "--trie",
    platformQuote(newFile(dir, "deepspeech-0.6.1-models/trie")),
    "--audio"
  );
  File virtualEnv = userDir("tmp/deepspeech-venv");
  File virtualEnvActivate = newFile(virtualEnv, "bin/activate");
  assertFileExists(virtualEnvActivate);
  
  File scriptFile = createTempFile();
  File outFile = createTempFile();
  saveTextFile(scriptFile, "source " + platformQuote(virtualEnvActivate) + " && "
    + "deepspeech" + " " // deepspeech is in the path at that point
    + joinWithSpace(args) + " " + platformQuote(wav));
  makeExecutable(scriptFile);
  backtick(platformQuote(scriptFile) + " > " + platformQuote(outFile));
  ret loadTextFile(outFile);
}

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