pitch-booster
nounUK /ˈpɪtʃ ˌbuːstə/
US /ˈpɪtʃ ˌbʊstər/
A pitch-booster is a thing that makes a sound higher.
The singer used a pitch-booster to make her voice sound higher.
RELATED WORDS
OTHER MEANINGS
2. A device or software effect that raises the pitch of an audio signal.
He plugged a pitch-booster into his guitar to play higher notes.
3. A person or thing that increases enthusiasm or intensity, especially in sales or persuasion.
The coach was a real pitch-booster for the team before the big game.
4. A substance or additive that increases the intensity or strength of something.
The new fertilizer acts as a pitch-booster for the crops.