vocalizer
nounUK /ˈvəʊkəlaɪzə/
US /ˈvoʊkəlaɪzər/
A vocalizer is a person or thing that makes sounds with its voice.
The little bird was a loud vocalizer in the morning.
OTHER MEANINGS
2. A device or machine that produces spoken sounds or words.
The toy vocalizer said hello when you pressed the button.
3. A person who expresses opinions or feelings openly and often.
She was a vocalizer for better playgrounds in her neighborhood.
4. A software tool that turns written text into spoken sound.
He used a vocalizer to read the story aloud on his tablet.