echo
An echo occurs when sound reflects or bounces off of a surface and returns to the speaker. In this sound recording, you can hear an echo. My voice is echoing.
- A good place to hear an echo is in a large, empty room.
- Echoes are also commonly heard in large stadiums that use a public address system (a microphone and loud speakers).
- Echo!
- Do you hear an echo?
- Is there an echo in here?
A canyon is a good place to hear an echo.
This is a canyon.
Another good place to hear an echo is inside a cave.
This is a cave.