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声卡和显卡是多媒体电脑中不可缺少的部分,目前,市场上声卡和显卡的品种很多,价格各异,应该如何选购呢?下面就此给大家谈一谈。声卡的选购(1)声卡的音质声卡的音质应是清晰、悦耳、噪音小。首先在外观上看质量好的声卡一般加工精致,而质量差的外观粗糙;其次是内部性能,决定声卡音质好坏的技术标准,主要是取样频率和取样大小。取样频率是指声卡每秒钟检测输入的声波并把它转变为数字信号的次数。声卡的取样频率范围
Sound card and graphics card is an indispensable part of the multimedia computer, at present, many varieties of sound cards and video cards on the market, different prices, how to buy it? Here’s for everyone to talk about. The purchase of sound card (1) the sound quality of the sound card sound quality sound card should be clear, sweet, low noise. First of all look at the appearance of good quality sound card generally sophisticated processing, while the poor quality of the appearance of rough; followed by the internal performance, sound quality sound card to determine the technical standards, the main sampling frequency and sampling size. Sampling frequency is the number of times a sound card detects an incoming sound wave every second and converts it into a digital signal. Sound card sampling frequency range