NVIDIA NemotronLabs VoiceChat — console

Speak and it replies. Mirrors scripts/smoke_voicechat_ws.py: PCM16 mono 24 kHz, 80 ms frames, OpenAI-Realtime events.

The key is sent as ?api_key= because browsers cannot set an Authorization header on a WebSocket. Server-side clients should use Authorization: Bearer <key> instead. Leave the key blank when connecting to ws://localhost:9000 through an SSH tunnel — that path bypasses the proxy and needs no auth.