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Sophisticated tube headphones for spatial sound reproduction

机译:精致的管式耳机可再现空间声音

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摘要

Custom insert-type tube headphones are presented in the study. The sound source is located nearby the human ear canal and therefore the complex problem field of measuring sound sources in the human auditory canal is addressed in detail. The UD-ADUla headphones have a frequency response of 30-13000 Hz (+-10 dB) as measured with a standardized artificial ear, and their upgrade prototype demonstrate a minimal +-5 dB deviation (30-9000 Hz), both 1/3-octave smoothed. The replaceable ear-tip of the headphones attenuates background noise 15-20 dB, allowing a very precise positioning of the sound source. The non-magnetic stimulators are used for reproducing synthetic three-dimensional sounds in neuro- and psychophysiological research.
机译:这项研究介绍了定制的插入式电子管耳机。声源位于人耳道附近,因此详细解决了在人耳道中测量声源的复杂问题。 UD-ADUla耳机使用标准的人造耳测得的频率响应为30-13000 Hz(+ -10 dB),其升级原型显示了最小+ -5 dB的偏差(30-9000 Hz),两者均为1 / 3倍频程平滑。耳机的可更换耳塞可减弱15-20 dB的背景噪声,从而可以非常精确地定位声源。非磁性刺激器用于在神经和心理生理研究中再现合成的三维声音。

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