tone of voice

:  vocal or musical sound of a specific quality

:  musical sound with respect to timbre and manner of expression

:  a sound of definite pitch and vibration

:  to impart tone to :  strengthen

:  to soften or reduce in intensity, color, appearance, or sound :  mellow

:  to change the normal silver image of (something, such as a photographic print) into a colored image

:  sound produced by vertebrates by means of lungs, larynx, or syrinx

:  sound so produced by human beings

:  musical sound produced by the vocal folds and resonated by the cavities of head and throat

:  to express in words :  utter

:  to adjust for producing the proper musical sounds

:  to pronounce (a speech sound, such as a consonant) with voice