# Piper TTS voice configuration
VOICE_MODEL=en_GB-alan-medium.onnx       # Path to Piper .onnx voice model (relative to project root)
VOICE_SPEAKER_ID=                         # Speaker ID for multi-speaker models (integer, leave empty for default)
VOICE_LENGTH_SCALE=                       # Speech speed: >1.0 = slower, <1.0 = faster (leave empty for model default)
VOICE_NOISE_SCALE=                        # Phoneme variability: 0.0 = robotic, 1.0 = expressive (leave empty for model default)
VOICE_NOISE_W_SCALE=                      # Phoneme width variability (leave empty for model default)
VOICE_VOLUME=1.0                          # Playback volume multiplier (default: 1.0)

# Vosk STT configuration
STT_MODEL=vosk-model-small-en-us-0.15    # Vosk model directory name (relative to project root)