Speech diagnostics

Runs one sample sentence through the full voice pipeline — teacher speech, WAV encoding, transcription and pronunciation scoring — and reports latency plus any API errors.

Self-test
Sample sentence: “The three thin brothers sailed a ship across the sea.” — uses the selected teacher’s configured models.
  • Text-to-speech (sample audio)not run
  • Encode 16 kHz mono WAVnot run
  • Transcription /api/transcribenot run
  • Pronunciation scoring /api/pronouncenot run