
BS EN 60318-4 ED.1. Electroacoustics. Simulators of human head and ear. Occluded-ear simulator for the measurement of earphones coupled to the ear by insert
出版:British Standards Institution

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BS EN 60318-4 ED.1. Electroacoustics. Simulators of human head and ear. Occluded-ear simulator for the measurement of earphones coupled to the ear by insert
出版:British Standards Institution
专家解读视频