earphone 7.45 earphone. Electroacoustic transducer intended to be closely coupled acoustically to the ear. Related Articles: Standards Terms: equivalent threshold level (monaural earphone listening)Standards Terms: free-field equivalent earphone output levelStandards Terms: free-field sensitivity (of an earphone)Standards Terms: minimum audible sound pressure levelStandards Terms: occlusion effectAlternative Meanings: earphone7.15 earphone. Electroacoustic transducer intended to be closely coupled to the ear.« Back to Standards Terminolgy IndexRelated Terms:Term: electroacoustic transducerTerm: earphoneTerm: ear
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