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从形式上看耳机的指标与扬声器相同,但实际上是有差别的。如①在市售耳机的说明书中,对耳机的频响一般都用放声频率范围,而不像扬声器用频响曲线和不均匀度,这是因为耳机的仿真耳频响曲线看起来不均匀度较大,频带较窄,与实际试听的差别较大。耳机的仿真耳频响曲线通常作为研制和生产的参考;不在使用说明书中指出,以减少不必要的误解。②耳机与信号源之间的阻抗匹配也无需像扬声
Headset from the formal point of view the same indicators and speakers, but in fact there are differences. Such as ① in the manual on the headset, the headset frequency response are generally used to put the sound frequency range, unlike the speaker with the frequency response curve and unevenness, it is because the headphone simulation ear frequency response curve looks uneven Larger, narrower band, and the difference between the actual audition larger. The earphone ear loop curve simulation is usually used as a reference for the development and production; not indicated in the instruction manual to reduce unnecessary misunderstanding. ② The impedance matching between the headphone and the signal source does not need to be like the speaker