gāo​yīn

high pitch

高音 gāo​yīn
high pitch noun
a tone of high frequency or the highest range of a human voice or musical instrument

The singer's high notes are very clear and resonant.

treble noun
the high-frequency component of an audio signal or the highest part in musical notation

You can adjust the treble of the stereo with the knob.

Frequency

Movie subtitles
3.43 per million appears in 1% of films
Written text
3.08 per million

Sources

Definitions
CC-CEDICT