pitchshifter

noun
UK /ˈpɪtʃˌʃɪftə/
US /ˈpɪtʃˌʃɪftər/

A pitchshifter is a machine or computer tool that makes sounds higher or lower.

The band used a pitchshifter to make the singer's voice sound deep and spooky.


OTHER MEANINGS

2. A person who changes the pitch of something, such as a baseball pitcher adjusting throws.

The coach watched the pitchshifter work on his curveball.

3. Software that changes the key of a song without changing its speed.

She used a pitchshifter to sing the karaoke song in a lower key.

4. A device in a guitar pedalboard that shifts notes up or down by set intervals.

He stepped on the pitchshifter to play a riff an octave lower.