WebRTC Echo and Noise Optimization on Android 14 Bedside Devices

This problem appears in institutional bedside device fleets, not in a one-off consumer video call. The devices need to stay online for long periods, support hands-free calling, pick up speech from a practical distance, and keep speech intelligible while the room is noisy. After the speaker and microphone were placed inside a compact plastic enclosure, the device needed more usable loudness, more…