The phrase "auditory range" refers to the range of sounds that a human ear can detect. There are several synonyms for this term, including hearing range, audio spectrum, and sound spectrum. Hearing range refers to the range of frequencies that a human ear can hear, whereas audio spectrum is the range of sound frequencies that can be heard through audio equipment. The sound spectrum includes the range of sound frequencies that are present in a particular sound or music mix. Other synonyms for auditory range include sonic range and acoustical range. Despite their slight differences in meaning, all of these terms refer to the range of sounds that can be perceived by the human ear.