It is obtained by averaging the SOUND PRESSURE LEVELs in the octave frequency bands centred on 500 ... face-to-face conversation of non-familiar speech material, the following chart shows the speech ...

The linear in pitch function, which makes output frequency proportional to the antilog of voltage, is interesting because it provides a better perceptual interface to the inherently logarithmic human ...

It is obtained by averaging the SOUND PRESSURE LEVELs in the octave frequency bands centred on 500 ... face-to-face conversation of non-familiar speech material, the following chart shows the speech ...