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Transducer with the Direct D/A Conversion Using Optoacoustic Principle

机译:使用光声原理直接进行D / A转换的换能器

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Transducers with the direct D/A conversion, sometimes called digital transducers, either loudspeakers or earphones, are searching their ways into being. There have been several attempts to design such devices, but none of them left research laboratories and made its way to commercial use yet. Most of them use ,classical“ electroacoustic transduction principles, i.e. electrodynamic or electrostatic. In this article the possibility to use opto-acoustic transduction principle is explored. First, the principles of physical phenomena used in this transducer are revised. Then, some construction details in light of their usage in the digital earphone are described.
机译:具有直接D / A转换的换能器,有时称为数字换能器,无论是扬声器还是耳机,都在寻找实现之道。已经进行了多种尝试来设计这样的设备,但是没有一个离开研究实验室并进入商业用途。它们中的大多数使用经典的“电声转换原理”,即电动或静电。本文探讨了使用光声转导原理的可能性。首先,修改了此换能器中使用的物理现象的原理。然后,根据其在数字耳机中的使用来描述一些构造细节。

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