Audio Frequency

Audio Frequency One of the frequencies within the range of sound frequencies audible to humans, from ca. 15 to 20,000 cycles per second (or Hz). Acoustic recording achieved coverage of about 1,000 to 2,000 or 3,000 Hz. With the emergence of electrical recording in 1925, manufacturers could claim coverage of 100 to 8,000 Hz. The frequency range of notes playable on certain instruments is encompassed by the capabilities of early electrical recording; e.g., all the high brasses and winds, the…