yīn​diào

pitch

音调 (音調) yīn​diào
pitch noun
the frequency or level of a musical note

This piano is out of tune.

tone noun
pitch or intonation of the human voice

The tone of his voice sounds very serious.

Frequency

Movie subtitles
2.65 per million appears in 1% of films
Written text
1.29 per million

Sources

Definitions
CC-CEDICT