Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Subjective and Objective Measurements of Speech Loudness in Hands-Free Telephony—Toward an Extended Loudness Model for Telephonometry

Authors: Edjekouane, Idir; Plapous, Cyril; Quinquis, Catherine; Meunier, Sabine

AES Convention 139 · Paper 9440 · October 2015

Abstract

The loudness rating technique is widely used in telephony. This technique shows some limitations with the recent advances in telecommunications. This paper proposes a new alternative for the loudness rating technique using an extension of Zwicker’s loudness model. We first investigated the loudness of speech transmitted via a telephone system and the ability of Zwicker’s model to predict the perceived loudness. The model predicts the main trends observed in perceptual data. However, a bias exists between the prediction and the measure that depends on sound pressure level. Based on our perceptual data and on recent studies, we proposed a modification of the model at the specific loudness calculation stage. This modification brought a significant improvement on the predictions.

Details

Published in
AES Convention 139
AES Convention
139
Paper number
9440
Publication date
October 6, 2015
Session subject
Perception
Affiliation
Orange Labs, Lannion Cedex, France; LMA-CNRS, Aix-Marseille Univeresité, Marseille Cedex, France (See document for exact affiliation information.)
Type
Convention Paper