Background noise reproduction for the evaluation of telecommunication devices, such as a mobile phone, was investigated using the measurement of sphericalmicrophone arrays.
本文通过球面传声器阵列测量法，研究了用于评估通信设备(例如移动电话)的背景噪声重放问题。
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Both techniques require the same type of recordings using a sphericalmicrophone array. They were compared with existing techniques, such as the four-loudspeaker playback in ETSI EG 202 396-1.