Diagnose Kokoro TTS

Troubleshoot Kokoro TTS engine issues through systematic diagnostics.

Known Issues

Diagnostic Workflow

Step 1: Collect symptoms

Use AskUserQuestion:

• What happened? (import error, no audio, slow, server won't start)
• When? (after upgrade, first time, suddenly)

Step 2: Run automated diagnostics

# Platform check
echo "Arch: $(uname -m)"
echo "macOS: $(sw_vers -productVersion)"

# Venv check
[[ -d ~/.local/share/kokoro/.venv ]] && echo "Venv: OK" || echo "Venv: MISSING"

# Python version
~/.local/share/kokoro/.venv/bin/python --version 2>/dev/null || echo "Python: NOT FOUND"

# MLX-Audio import
~/.local/share/kokoro/.venv/bin/python -c "from mlx_audio.tts.utils import load_model; print('MLX-Audio: OK')" 2>&1 || echo "MLX-Audio: FAIL"

# Scripts present
for f in kokoro_common.py tts_generate.py tts_server.py; do
  [[ -f ~/.local/share/kokoro/$f ]] && echo "$f: OK" || echo "$f: MISSING"
done

# Version info
cat ~/.local/share/kokoro/version.json 2>/dev/null || echo "version.json: MISSING"

Step 3: Map to known issue and apply fix

Use the Known Issues table above to identify the root cause and apply the targeted fix.

Step 4: Verify

# Quick synthesis test
~/.local/share/kokoro/.venv/bin/python ~/.local/share/kokoro/tts_generate.py \
  --text "Diagnostic test" --voice af_heart --lang en-us --speed 1.0 \
  --output /tmp/kokoro-diag-test.wav && echo "Synthesis: OK"