# Server Configuration
HOST=0.0.0.0
PORT=8000

# Audio Configuration
SAMPLE_RATE=16000
CHUNK_SIZE_MS=20

# VAD Configuration
VAD_THRESHOLD=0.5
VAD_EOU_THRESHOLD_MS=400

# OpenAI / LLM Configuration (required for duplex voice)
OPENAI_API_KEY=sk-your-openai-api-key-here
# OPENAI_API_URL=https://api.openai.com/v1  # Optional: for Azure or compatible APIs
LLM_MODEL=gpt-4o-mini
LLM_TEMPERATURE=0.7

# TTS Configuration
TTS_VOICE=en-US-JennyNeural
TTS_SPEED=1.0

# Duplex Pipeline Configuration
DUPLEX_ENABLED=true
# DUPLEX_GREETING=Hello! How can I help you today?
DUPLEX_SYSTEM_PROMPT=You are a helpful, friendly voice assistant. Keep your responses concise and conversational.

# Logging
LOG_LEVEL=INFO
LOG_FORMAT=text