A Multi-Angle, Multi-Distance Dataset of Microphone Impulse Responses

IF 1.1 4区工程技术 Q3 ACOUSTICS

Journal of the Audio Engineering Society Pub Date : 2022-11-02 DOI:10.17743/jaes.2022.0027

Juan Carlos Franco Hernández, Bogdan Baǎcilǎ, Tim S. Brookes, E. De Sena

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引用次数: 2

Abstract

A new publicly available dataset of microphone impulse responses (IRs) has been gener- ated. The dataset covers 25 microphones, including a Class-1 measurement microphone and polar pattern variations for seven of the microphones. Microphones that were included had omnidirectional, cardioid, supercardioid, and bidirectional polar patterns; condenser, moving-coil, and ribbon transduction types; single and dual diaphragms; multiple body and head basket shapes;smallandlargediaphragms;andend-addressandside-addressdesigns.Usingacustom-developedcomputer-controlledprecisionturntable,IRswerecapturedquasi-anechoicallyatincidentanglesfrom0 ◦ to 355 ◦ in steps of 5 ◦ and at source-to-microphone distances of 0.5, 1.25, and 5 m. The resulting dataset is suitable for perceptual and objective studies related to the incident-angle–dependent response of microphones and for the development of tools for predicting and emulating on-axis and off-axis microphone characteristics. The captured IRs allow generation of frequency response plots with a degree of detail not commonly available in manufacturer-supplied data sheets and are also particularly well-suited to harmonic distortion analysis.

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多角度、多距离麦克风脉冲响应数据集

已经生成了一个新的公开可用的麦克风脉冲响应（IR）数据集。该数据集涵盖25个麦克风，包括一个1类测量麦克风和其中7个麦克风的极性模式变化。包括的麦克风具有全向、心形、超心形和双向极性模式；冷凝器、动圈和带状换能类型；单隔膜和双隔膜；多个身体和头部篮子形状；小光圈和大光圈；以及端地址和侧地址设计。使用自定义开发的计算机控制的决策转台，IR可以从0中选择性地获取决策数据◦ 至355◦ 步骤5◦ 源到麦克风的距离分别为0.5、1.25和5米。所得数据集适用于与麦克风的入射角相关响应相关的感知和客观研究，也适用于开发预测和模拟同轴和离轴麦克风特性的工具。捕获的IR允许生成具有制造商提供的数据表中不常见的详细程度的频率响应图，并且也特别适合谐波失真分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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

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.