Near-Field Evaluation of Reproducible Speech Sources

IF 1.1 4区 工程技术 Q3 ACOUSTICS Journal of the Audio Engineering Society Pub Date : 2022-07-25 DOI:10.17743/jaes.2022.0022
Raimundo Gonzalez, Thomas McKenzie, A. Politis, T. Lokki
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引用次数: 2

Abstract

The spatial speech reproduction capabilities of a KEMAR mouth simulator, a loudspeaker, the piston on sphere model and a circular harmonic fitting are evaluated in the near-field. The speech directivity of 24 human subjects, both male and female, is measured using a semi-circular microphone array of radius 36.5 cm in the horizontal plane. Impulse responses are captured for the two devices and filters are generated for the two numerical models to emulate their directional effect on speech reproduction. The four repeatable speech sources are evaluated through comparison to the recorded human speech both objectively, through directivity pattern and spectral magnitude differences, and subjectively, through a listening test on perceived coloration. Results show that the repeatable sources perform relatively well under the metric of directivity but irregularities in their directivity patterns introduce audible coloration for off-axis directions.
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来源期刊
Journal of the Audio Engineering Society
Journal of the Audio Engineering Society 工程技术-工程:综合
CiteScore
3.50
自引率
14.30%
发文量
53
审稿时长
1 months
期刊介绍: The Journal of the Audio Engineering Society — the official publication of the AES — is the only peer-reviewed journal devoted exclusively to audio technology. Published 10 times each year, it is available to all AES members and subscribers. The Journal contains state-of-the-art technical papers and engineering reports; feature articles covering timely topics; pre and post reports of AES conventions and other society activities; news from AES sections around the world; Standards and Education Committee work; membership news, patents, new products, and newsworthy developments in the field of audio.
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