De quoi est fait whistle
A sound signal made by a stream of air.
- Mouthpiece — a pour partie. A channel for blowing in air.
- Whistle edge — a pour partie. A sharp edge that splits the air stream.
- Resonant chamber — a pour partie. It sets the pitch.
- Sound wave — utilise. The sound of a flow.
- Resonance — utilise. Resonance of the chamber.
- Os — est fait de. Ancient whistles were carved from bone.