听筒主体可以是罩耳式(circumaural)听筒主体、贴耳式(supra-aural)听筒主体或入耳式(intra-aural)听筒主体。反馈系统可以包括与麦克风联通的麦克风信号合并器。
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I tend to think they believe their supra-aural headphone design is important in the interest of sound quality.
我倾向于认为他们相信他们的在上听觉耳机设计是重要的在品质优良的兴趣。
Electroacoustics. Simulators of human head and ear. Part 3: acoustic coupler for the calibration of supra-aural earphones used in audiometry.
电声学。人头和耳模拟器。第3部分：用于听力仪的高级听力耳机校正用听力耦合器。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
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