From Oddity Central:
It's not as bad as it sounds, though. While the camera covers the entire tiny room, leaving occupants no place to hide, it doesn't come with a microphone. The lack of audio coverage is designed to avoid copyright infringement complaints for music that could be heard from the in-room TV, but guarantees that no one will hear you talking to yourself or others, snoring, or making other embarrassing sounds.
Photo: Business Ryokan Asahi