This is most often used to bring out middle tones and highlights of an image.
William Mattathias Robins takes a middle tone: "[d]e Camp's travelers are a misfit crew of oversexed, silly, selfish, xenophobic outlanders.
Zapotec, an Oto-Manguean language (or group of closely related languages) spoken in Central America, has three tones: high, middle and low.
His voice was thin, unsteady, husky in the middle tones.
Once he found photography, in the 1940's, he gravitated toward a distinctive range of middle tones, nearly eliminating black.
Most of Barraud's images were Woodburytypes, then a newly developed process which lent itself admirably to portraiture, being able to render middle tones accurately.
By the time of her suicide scene, which she made pitiable rather than bloodcurdling in the classic tradition, Miss Verrett was dispensing house-filling power as well as beautiful upper and middle tones.
The sound of two voices, one male and one female, holding a middle tone for as long as possible, completes the therapeutic effect.
When measuring a scene with atypical distribution of light and dark elements, or a single element that is lighter or darker than a middle tone, the indicated exposure may not be optimal.
If a word lacks a marker, then it is to be pronounced with a middle tone.