ER4的软线噪音解决方案

只爱陌生人 · 发表于 2003-9-20 04:15:31

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最近买了4S，仔细研究了一下，不少人觉得有软线摩擦噪音这个问题

来自：http://www4.head-fi.org/forums/s ... ;amp;threadid=33517

以下是ETYMOTIC对噪音问题的分析：
ETYMOTIC: The problem of cord noise is a tough one to solve. It is not actually a problem with either the cable or the earphones, but rather an unfortunate side effect of the way the design comes together. The cord noise you hear is a mechanical transfer (a vibration) that is more noticeable due to the insert earphone design. If we put our ER-4P cord on a pair of standard headphones or earbuds there would be no significant cord noise because the headphone or earbud makes very little contact with the ear and those type of earphones are nonoccluding (no seal in the ear canal). Due to the insert earphone/sealing design of our earphones there is more direct contact with ear so the cord noise is more noticeable. So, since there is not a fundamental problem with the cord, there is not easy solution. If we were to change the design of the earphones so that they make less contact
with the ear canal you would loose the superior sound isolation they provide. The reason our earphones are superior in sound isolation and sound quality to all other noise canceling earphones is due to the insert earphone design, so we will never change that. We continue to search for better cord options, but there is nothing new on the horizon.

There are some things an ER-4 wearer can do to reduce the cord noise. First, always use the included shirt clip. Second, bring the cords from the earphones over the top and down the back of the ears. By doing this the cord will make contact with the skin of the outer ear and the transfer of the vibration will be stopped before reaching the ear canal.

At this time, Etymotic does not have any design changes in the immediate 6 month future

上面的大致意思是说，软线摩擦噪音的根本原因是来自从线传到耳塞处的震动（类似听诊器的道理）而不是线材本身的问题。
解决方案有两点，
一是要用那个夹子把线夹的距离身体远一些。
第二点是关键，佩带耳塞的时候把耳机线绕到耳廓后面，这样震动在传到耳塞前会被耳朵吸收一些。
我把线绕到耳后，确实好一点，有ER4的朋友不妨试试。

下面的图片是E2C的，大概就是这样戴。