Goniometers are a Powerful Acoustic Feature for Music Information Retrieval Tasks Article Swipe
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· 2023
· Open Access
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· DOI: https://doi.org/10.48550/arxiv.2302.01090
· OA: W4320341667
Goniometers, also known as Phase Scopes or Vector Scopes, are audio metering tools that help music producers and mixing engineers monitor spatial aspects of a music mix, such as the stereo panorama, the width of single sources, the amount and diffuseness of reverberation as well as phase cancellations that may occur on the sweet-spot and in a mono-mixdown. In addition, they implicitly inform about the dynamics of the sound. Self-organizing maps trained with a goniometer, are consulted to explore the usefulness of this acoustic feature for music information retrieval tasks. One can see that goniometers are able to classify different genres and cluster a single album. The advantage of goniometers is the causality: Music producers and mixing engineers consciously consult goniometers to reach their desired sound, which is not the case for other acoustic features, from Zero-Crossing Rate to Mel-Frequency Cepstral Coefficients.
