unmodulated
/ˌʌnˈmɑdʒəleɪtɪd/
adjective
- Not adjusted or varied in pitch, tone, or intensity; steady and even.
- The speaker's unmodulated voice made the lecture hard to follow.
- She sang in an unmodulated monotone that lacked emotion.
- The radio signal was unmodulated and produced only static.
Synonyms