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Engineering Brief

Designing a 9-channel location sound microphone from scratch

Authors: Camerer, Florian

AES Convention 149 · Paper 622 · October 2020

Abstract

The design of a 9-channel microphone system for location recording of mainly atmospheres will be described. The key concept is matching the recording and reproduction angles of the individual sectors. The rig is designed for the AURO-3D 9-channel playback system (4 height speakers). An analysis of the reproduction angles will be included, as well as recording concepts like the Stereo Recording Angle (SRA), Williams curves, Scale Factors for different reproduction angles than 60° and diffuse field decorrelation. Finally, practical aspects like microphone mounts and windshields for such a system will be presented.

Details

Published in
AES Convention 149
AES Convention
149
Paper number
622
Publication date
October 6, 2020
Session subject
Immersive Audio
Affiliation
ORF – Austrian Broadcasting Corporation, Vienna, Austria (See document for exact affiliation information.)
Type
Engineering Brief