为你详解正确保养与维修声卡之道

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  保养和维护好你的爱机,最大限度地延长爱机的使用寿命,对电脑新用户来说,是一个非常重要的问题。如果维护和保养不好,很可能就会使你的爱机"英年早逝"。但是配件的驱动程序也是爱机的一部分,所以也要好好学习配件的保养之道,今天就给大家介绍声卡的保养与维修.

  声卡是多媒体技术中最基本的组成部分,是实现声波/数字信号相互转换的一种硬件。 正如这个名称一样,声卡指的就是与声音发出的有关部位零件,就像我们要保护自己的嗓音一样,声卡也需要维护与保养,不正确的使用会造成声卡的损坏,甚至让你的电脑出于“无声”的状态。

  声卡的维修与保养如下:

  (一)声卡的维修步骤

  如果声卡不能使音箱发出声音,有以下几种常见原因:

  1.音箱没有打开 请打开它。

  2.音箱插座没有正确安装 请准确安装在Speaker插座上。

  3.声卡驱动程序丢失 请重新安装声卡驱动程序。(声卡的驱动程序是很容易丢失的)。

  4.声卡和别的板卡相冲突 请正确设置声卡的各项设置值。

  5.声卡故障 排除了以上各项后就只有声卡本身有故障了,请更换新的声卡。

  (二)AC'97技术介绍

  下面是ENET关于AC'97技术的介绍:

  中国的消费者有着特殊的消费观念--只注重主要的,而忽略次要的。在购买电脑时,这一观念尤为明显,常常厚此薄彼。在CPU、主板、显卡等大宗配件上,选购是绝不含糊。而在声卡等小配件的选购上,却是判若两人,能摸出2、3百元买声卡就算很慷慨了。大多数都不花钱买声卡--主板上集成的AC'97软声卡。不过,一些所谓的电脑高手却对这么一块白送的声卡要求颇高,出身贫贱的它因此屡遭谴责。

  1.何为AC'97软声卡?

  人们常常把AC'97作为声卡的代名词,其实这完全是个认识上的误区。今年来,多媒体技术在个人电脑上的日益推广、普及和应用。为了能够在PC上提供高品质、低成本的音效架构。1996年6月,以Intel为首的五个PC厂商Intel、Creative Labs、NS、Analog Device与Yamaha共同提出了Audio Codec'97(简称AC'97,意为"音效多媒体数字信号编/解码器")的规格标准。最大的创新就是"双芯片"结构,使ADC(Analog-to-Digital Conversion,模拟转数字)与 DAC(Digital-to-Analog Conversion,数字转模拟)的转换尽可能地脱离系统,这样就可以避免大部分数字/模拟信号转换时所产生的杂波,从而得到较好的音效品质。

  目前所有的声卡都支持了AC'97。并不是单纯地特指主板上集成的软声卡。而AC'97软声卡就是另一个概念了。它只是一片基于AC'97的CODEC芯片,不含数字音频处理单元,因此电脑在播放音频信息时,除了D/A和A/D转换以外所有的处理工作都要交给CPU来完成。可以这样说,AC'97软声卡只是简化了硬件、而设计思路仍是贯彻AC'97的规格标准的声卡。目前的AC'97软声卡有Analog Devices的AD188x(AD1881、AD1885、AD1886)、ALC201/A、VIA VT1611A。

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