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audio

Audio, derived from the Latin audire (to hear), refers to the human hearing range, the frequency range of which lies between 20 Hz and 20 kHz.

This frequency range depends on human hearing characteristics and is strongly subject to human aging in the upper frequency range. The audible upper frequency range can drop to 10 kHz and below with age.

Audio frequency range

Audio frequency range

The total audio frequency range is divided into the low frequency range, the speech range and the high frequency range. Below the low-frequency range there is infrasound with subsonic tones, and above the high-frequency range there is ultrasound, the frequencies of which are also imperceptible by humans.

Audio signals include speech, music and noises.

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Englisch: audio
Updated at: 22.03.2009
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