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Do We Need Dereverberation for Hand-Held Telephony?

Authors:

Marco Jeub, Magnus Schäfer, Hauke Krüger, Christoph Matthias Nelke, Christophe Beaugeant, and Peter Vary

Book Title:

International Congress on Acoustics (ICA)

Venue:

Sydney, Australia

Event Date:

23.-27.8.2010

Organization:

Australian Acoustical Society

Date:

Aug. 2010

ISBN:

978-0-64654-052-8

Language:

English

Abstract

The necessity of dereverberation algorithms in hand-held speech communication systems is discussed in this contribution. The study is based on a new measurement campaign with artificial head and a two-microphone mock-up phone in realistic acoustical environments like an office, corridor and stairway. Based on objective speech quality measures as well as a listening test, we show that room reverberation can lead to a decrease in intelligibility even for hand-held telephony under certain conditions. Hence, the far-end listener can benefit from dereverberation algorithms in the sending device. All measured room impulse responses are available online as part of the Aachen Impulse Response (AIR) database.

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