Loudness: continuous spectrum sound versus harmonic spectrum sound

Robert Espesser 1, * Bernard Teston 1, *
* Corresponding author
Abstract : An experiment is carried out to examine to what extent the loudness of voiced-unvoiced speech sounds is affected by the harmonic or continuous nature of their spectrum. Stimuli are synthesized by a 10 pole numeric filter simulating the transfer function of a vowel; this filter is excited either by white noise (lowpass filtered at 150 Hz, 6 dB/oct) or by a square wave (Fo=150 Hz). The RMS energy and duration of the stimuli are alike. The subjects perform the loudness equalization task using the adjustment method. The effect prooved to be no significant; consequently no relation was found between the loudness and the specific nature of the spectrum.
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Robert Espesser, Bernard Teston. Loudness: continuous spectrum sound versus harmonic spectrum sound. Forschritte der Akustik FASE-DAGA, 1982, Götingen, Germany. pp.1091-1094. ⟨hal-00173735⟩

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