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Convention Paper

A System for Multi-Channel and Binaural Room Response Measurements

Authors: Merimaa, Juha; Karjalainen, Matti; Peltonen, Timo; Gouatarbes, Benoit; Lokki, Tapio

AES Convention 110 · Paper 5289 · May 2001

Abstract

The development of a system for room acoustical measurements and analysis is described. The goal of the project was a versatile system for multi-channel and binaural investigations of room and concert hall acoustics. It consists of a portable PC-based workstation with multi-channel AD/DA data acquisition, an omnidirectional sound source, a 3-D microphone grid for directional response registration, a dummy head, standard omnidirectional and cardioid microphones, and MLS-based response computation. In addition to traditional room-acoustical attribute analysis, special algorithms have been developed to investigate the time-frequency behavior of responses in different directions, for example in concert halls. Analysis cases of interesting hall measurements are discussed.

Details

Published in
AES Convention 110
AES Convention
110
Paper number
5289
Publication date
May 6, 2001
Session subject
Instrumentation and Measurement
Affiliation
Akukon Oy Consulting Engineers,Finland ; Helsinki University of Technology, Telecommunications Software and Multimedia Laboratory, HUT, Finland ; Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, HUT, Finland (See document for exact affiliation information.)
Type
Convention Paper