Bark

This is based on critical bandwidths and is a subjective representation of frequency. This is not an exact representation of what happens in the ear, but is a good starting point in basic modelling and psychoacoustic metric development.

The relationship between frequency and the Bark scale is:

where
z = barks
f = frequency [Hz]

See also: Critical Band, Equivalent Rectangular Bandwidth.

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Subjects: Audio Noise & Vibration