Ambisonic Encoding of Signals From Spherical Microphone Arrays
Jens Ahrens
TL;DR
This paper details a method for processing signals from spherical microphone arrays to encode them in a standard ambisonic format, facilitating compatibility with existing software tools.
Contribution
It introduces a processing approach for signals from spherical microphone arrays to produce standard ambisonic encoding with normalization and channel order.
Findings
Provides a MATLAB script for encoding signals
Ensures compatibility with standard ambisonic tools
Facilitates practical use of spherical microphone array data
Abstract
This document illustrates how to process the signals from the microphones of a rigid-sphere higher-order ambisonic microphone array so that they are encoded with N3D normalization and ACN channel order and thereby can be used with the standard ambisonic software tools such as SPARTA and the IEM Plugin Suite. A MATLAB script is provided.
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Taxonomy
TopicsSpeech and Audio Processing · Scientific Research and Discoveries · Structural Health Monitoring Techniques