Pitch: the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
Loudness: In acoustics, loudness is the subjective perception of sound pressure. ... Loudness, a subjective measure, is often confused with physical measures of sound strength such as sound pressure, sound pressure level (in decibels), sound intensity or sound power.
Quality: the standard of something as measured against other things of a similar kind; the degree of excellence of something.
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Answer:
Pitch: the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
Loudness: In acoustics, loudness is the subjective perception of sound pressure. ... Loudness, a subjective measure, is often confused with physical measures of sound strength such as sound pressure, sound pressure level (in decibels), sound intensity or sound power.
Quality: the standard of something as measured against other things of a similar kind; the degree of excellence of something.