Pitch is the main aspect of vocal delivery which involves how high or low your voice is, along with the rise and fall of your voice.
What is pitch?
Pitch is a perceptual attribute of sounds that allows them to be ordered on a frequency-related scale, or more colloquially, pitch is the quality that allows humans to perceive sounds as "higher" and "lower" in the sense associated with musical melodies.
Pitch, along with length, loudness, and timbre, is an important auditory property of musical tones. Pitch may be defined as a frequency, but it is not a strictly objective physical feature; it is a subjective psychoacoustical quality of sound.
Historically, the study of pitch and pitch perception has been a fundamental subject in psychoacoustics, and it has been crucial in developing and testing hypotheses of sound encoding, processing, and perception in the auditory system.
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