Harshness n. : The quality or state of being harsh.

Example:
How can i avoid myself from voice Harshness?

Taxonomy
harshness, NLDs, free encyclopedia, musical timbre, audio feature, roughness, search, Contextual, Low-Level, Descriptors, one dimension, multi-dimensional, harmonicity, inharmonicity, perceptual, musical instruments, original research, periodicity.

Defination from the web:
Harshness (also called raucousness), in music information retrieval, is a Non-Contextual Low-Level Audio Descriptors (NLDs) that represents one ... While harmonicity and inharmonicity can also be considered NLDs, harshness differs from them, as well as from roughness, once it reckons for a ...