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【速搜问答】动铁式耳机是什么

问答 admin 4天前 12次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

动铁式耳机是通过一个结构精密的连接棒传导到一个微型振膜的中心点,从而产生振动并发声的耳机。动铁式耳机由于单元体积小得多,所以可以轻易的放入耳道。

Moving iron earphone is a kind of earphone which transmits to the center point of a micro diaphragm through a precise connecting rod to generate vibration and sound. The moving iron earphone can be easily inserted into the ear canal due to its much smaller unit size.

动铁式耳机是通过一个结构精密的连接棒传导到一个微型振膜的中心点,从而产生振动并发声的耳机。动铁式耳机由于单元体积小得多,所以可以轻易的放入耳道。这样的做法有效地降低了入耳部分的面积可以放入更深的耳道部分。耳道的几何结构要比耳廓简单的多,属于类圆形所以一个质地柔软的硅胶套相对传统耳塞已经能起到良好的隔音及防漏音效果。

Moving iron earphone is a kind of earphone which transmits to the center point of a micro diaphragm through a precise connecting rod to generate vibration and sound. The moving iron earphone can be easily inserted into the ear canal due to its much smaller unit size. This method effectively reduces the area of the ear and can be inserted into the deeper part of the ear canal. The geometric structure of the ear canal is much simpler than that of the auricle, and it belongs to a quasi circular shape. Therefore, a soft silicone sleeve has a good sound insulation and leak proof effect compared with the traditional ear plugs.

结构

structure

动铁耳塞内部,音圈是绕在一个位于永磁场的中央被称为“平衡衔铁”的精密铁片上。这块铁片在磁力的作用下带动振膜发声。

Inside the moving iron earplug, the voice coil is wound around a precision iron piece called “balance armature” in the center of the permanent magnetic field. Under the action of magnetic force, this piece of iron drives the diaphragm to make sound.

动圈是直接带动振膜,而动铁是通过一个结构精密的连接棒传导到一个微型振膜的中心点,从而产生振动并发声。

The moving coil directly drives the diaphragm, while the moving iron is transmitted to the center of a micro diaphragm through a precision connecting rod, thus producing vibration and sound.

优势

advantage

动铁的隔音效果要好于动圈入耳。由于动圈单元的面积较大,并且在发声的过程中需要较多的空间和空气参与振动,因此无法有效控制漏音现象;而动铁就可以有效降低入耳部分的面积,并且可以放入更深的耳道部分。(几乎动圈的耳机都有透气孔,而动铁耳机上较少见到透气孔,CK9 是个例外。)由于耳道的几何结构属于类圆形,比耳廓简单的多,所以一个质地柔软的硅胶套相对传统耳塞已经能起到良好的隔音及防漏音效果。

The sound insulation effect of moving iron is better than that of moving coil. Due to the large area of the moving coil unit and the need for more space and air to participate in the vibration in the process of sound production, the leakage phenomenon can not be effectively controlled; the moving iron can effectively reduce the area of the ear part, and can be put into the deeper part of the ear canal. (almost all moving earphones have air holes, while those on moving iron earphones are rarely seen. Ck9 is an exception.) Because the geometric structure of the ear canal belongs to the quasi circular shape, which is much simpler than the auricle, a soft silicone sleeve has been able to play a good sound insulation and leak proof effect compared with the traditional earplug.

动铁的灵敏度比动圈高,原因主要是动铁单元的结构几乎是个密闭的容器结构,一点点小小的电流就可以驱动它,这里要注意,灵敏度和电阻的关系。正是由于较高的灵敏度,动铁耳机瞬态表现更好,对音乐的动态表现、瞬间细节表现、声音密度上远胜于动圈耳塞。

The sensitivity of moving iron is higher than that of moving coil. The main reason is that the structure of moving iron unit is almost a closed container structure, which can be driven by a little current. Here, we should pay attention to the relationship between sensitivity and resistance. Because of its high sensitivity, the dynamic performance of the moving iron earphone is better than that of the dynamic performance, instantaneous detail performance and sound density of the music.

动铁耳机的频响曲线更加稳定。动圈耳机在不同的温度、湿度以及使用过程中,频响曲线会出现一些可闻的变化。而动铁则表现出良好的稳定性,使声音素质更加稳定可靠,不易改变。一个很重要的原因是,动铁单元几乎都是由金属材料制造,通过高精密的模具成形的,动圈单元的振动膜片一般是通过胶水与线圈相结合的,所以里面的影响元素就很多,个体的差异就多。所以对比动圈的单元电声性能要稳定许多。

The frequency response curve of moving iron earphone is more stable. There are some audible changes in the frequency response curve of moving coil earphone in different temperature, humidity and using process. The moving iron shows good stability, which makes the sound quality more stable and reliable, and is not easy to change. One of the most important reasons is that the moving iron units are almost made of metal materials, which are formed by high-precision molds. The vibrating diaphragm of the moving coil unit is generally combined with the coil through glue, so there are a lot of influence elements inside, and there are many individual differences. Therefore, the electroacoustic performance of the unit compared with the moving coil is much more stable.

动铁体积更小巧轻盈。这是由于动铁单元的特性决定的,动铁的振膜重量随着单元直径的增加而直线上升,因此动铁用在体积较小的入耳耳塞之中会比较适合,不可能做成开放式或者半开放耳塞。这也是为什么动铁技术只被用在入耳耳塞上的原因。

Moving iron is smaller and lighter. This is due to the characteristics of the moving iron unit. The diaphragm weight of the moving iron rises linearly with the increase of the unit diameter. Therefore, the movable iron is more suitable for small ear plugs, and it is impossible to make open or semi open earplugs. That’s why moving iron technology is only used in earplugs.

动铁耳机有助于保护听力。动铁耳塞普遍具有良好的隔音效果,并且极高的灵敏度使很小的音量也可以有不错的表现,因此在比较嘈杂的环境也不用增加音量就可以欣赏到纯净的声音。动铁单元广泛用于医疗、保健、航空、军事等领域,比较常见的有助听器。医生不会推荐有可能损害健康的产品给病人,并且基本上比较知名的助听器品牌都在使用动铁单元,因此动铁耳机比动圈耳机使用上更放心。

Moving iron earphones help protect hearing. The moving iron earplug generally has good sound insulation effect, and its high sensitivity makes it possible to perform well at a small volume. Therefore, pure sound can be appreciated without increasing the volume in noisy environment. Moving iron unit is widely used in medical, health care, aviation, military and other fields. Hearing aids are common. Doctors will not recommend products that may harm the patient’s health, and most of the well-known hearing aid brands use moving iron units, so moving iron earphones are more reliable than moving coil earphones.

音质

tone quality

动圈耳机的音质在硬件上主要取决于振膜的材质和腔体的材质、构造,磁体则主要决定耳机的驱动性。其中腔体的设计对于动圈耳机的声音表现有着至关重要的作用。从上文大家大概了解了动铁的基本构造,决定动铁耳塞声音素质的部位和动圈显然是不同的。

The sound quality of moving coil earphone mainly depends on the material of diaphragm and the material and structure of cavity in hardware, while the driving ability of earphone is mainly determined by magnet. The design of cavity plays an important role in the sound performance of moving coil earphone. From the above, we have a general understanding of the basic structure of moving iron, and the parts and moving circles that determine the sound quality of moving iron earplugs are obviously different.

首先,动铁耳机的腔体对声音素质的影响很小。这是动铁的一个显著的特点。动铁的腔体主要作用是固定动铁单元和出口的稳固性,没有严格而固定的要求。这就是为什么连铁三角这样一丝不苟的厂商在生产 CK9 时,对壳体的处理也表现得不拘小节的原因。只有前端的导口由于要固定单元和填充材料,要求密封性较高,对模具要求也相当苛刻。一些玩家,甚至个别老鸟经常煞有介事的讲某动铁耳塞的腔体怎样怎样,所以声音怎样怎样的,基本上可以从理论层次确定全部是臆造的言论。其实只要腔体能够做到良好的密封性就不会对声音表现产生影响。

First of all, the cavity of moving iron earphone has little effect on sound quality. This is a remarkable feature of moving iron. The main function of moving iron chamber is to fix the stability of moving iron unit and outlet, without strict and fixed requirements. This is why even such a meticulous manufacturer as the iron triangle in the production of ck9, the treatment of the shell is not strict with the details. Only the front-end of the guide because of the fixed unit and filling material, high sealing requirements, die requirements are also very harsh. Some players and even some old birds often talk about how the cavity of a moving iron earplug is, so what the sound is like can basically be determined from the theoretical level that all the statements are fabricated. In fact, as long as the cavity can achieve good sealing, it will not affect the sound performance.

动铁单元相比动圈,内部结构更加精密,生产成本较高(需要注意的是,这并不是动铁耳机普遍价格高昂的主要原因)。它是耳机声音素质的基础,动铁相对其它耳机的优势主要考它来体现出来。一款好的耳塞必定采用优秀的单元。

Compared with the moving coil, the moving iron unit has more precise internal structure and higher production cost (it should be noted that this is not the main reason for the high price of moving iron earphones). It is the basis of the sound quality of headphones. The advantages of moving iron compared with other earphones are mainly reflected in it. A good earplug must use excellent unit.

其实动铁的声音素质还有更加重要的一方面。同样采用单单元的 ER4P 声音素质要高出 UM1 很多,当然单元占一部分原因,但另一方面更取决于动铁耳塞腔体内部,单元与壳体接触连接的元件——密封圈。这个密封圈体现了动铁耳机厂商一半以上的技术水平。动铁耳机的难点不仅在于单元,更在于这个小小的密封圈部分。这个胶圈的作用一是进一步增强单元的密封性,二是对声音起传导修饰作用。不同的调音材料、不同的工艺技术填充进去就会出现不同的声音表现。相比动圈,动铁的调音基本上在于密封圈的材料和构造的调节。其调节水平要求极其精确的技术水平,这也就主要决定了动铁耳机的生产难度。因此,动铁不是只有单元就可以生产的,不是那种山寨小厂可以像动圈那样随意拼装就能做出好声的。

In fact, the sound quality of moving iron has a more important aspect. The sound quality of er4p with single unit is much higher than um1, of course, the unit accounts for a part of the reason, but on the other hand, it depends on the element inside the moving iron earplug cavity, which is connected by the unit and the shell. This sealing ring reflects more than half of the technical level of mobile earphone manufacturers. The difficulty of moving iron earphone is not only the unit, but also the small sealing ring. The function of the rubber ring is to further enhance the sealing of the unit, and the other is to conduct and modify the sound. Different tuning materials and different technology will produce different sound performance. Compared with the moving ring, the tuning of moving iron basically lies in the adjustment of the material and structure of the sealing ring. Its adjustment level requires extremely accurate technical level, which mainly determines the production difficulty of moving iron earphone. Therefore, moving iron is not only a unit can be produced, not the kind of Shanzhai small factory can be like moving coil as random assembly can make good sound.

以上提到的技术属于核心商业机密,因此不管舒尔、UE 还是音特美,都从不向外界透露更多的技术细节。这也是造成大家普遍对动铁知之甚少的原因之一。要说明的是,以上也仅仅是从硬件上、结构上进行分析。同动圈一样,影响动铁耳机的因素还有很多,这里就难以一一列举了。

The technologies mentioned above belong to the core trade secrets, so neither Shure, UE nor Intemet disclose any more technical details to the outside world. This is one of the reasons why people generally know little about moving iron. To illustrate, the above is only from the hardware, structure analysis. As with the moving coil, there are many factors affecting the moving iron earphone, which are difficult to list one by one.


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