The perceived level of bass is typically considered to be related to the level of the magnitude spectrum at the corresponding frequencies. However, recently it has been found that, in the case of harmonic complex signals, also the phase spectrum can affect it. This paper studies this effect further using formal listening tests. It is found out that the phase spectrum that produces the perception of the loudest bass depends on the individual. Furthermore, the loudness of the bass appears to be affected by the phase characteristics of the tone in a relatively wide band.
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