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Multichannel Audio Database in Various Acoustic Environments

Authors:

Elior Hadad, Florian Heese, Sharon Gannot, and Peter Vary

Book Title:

Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC)

Event Date:

8.-11.9.2014

Organization:

EURECOM, Sophia Antipolis, France

Date:

Sept. 2014

Language:

English

Abstract

In this paper we describe a new multichannel room impulse responses database. The impulse responses are measured in a room with configurable reverberation level resulting in three different acoustic scenarios with reverberation times RT60 equals to 160 ms, 360 ms and 610 ms. The measurements were carried out in recording sessions of several source positions on a spatial grid (angle range of -90° to 90° in 15° steps with 1 m and 2 m distance from the microphone array). The signals in all sessions were captured by three microphone array configurations. The database is accompanied with software utilities to easily access and manipulate the data. Besides the description of the database we demonstrate its use in spatial source separation task.

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