| 对计算机发声系统的剖析 |
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| 引用本文： | 武新丽. 对计算机发声系统的剖析[J]. 电脑编程技巧与维护, 2012, 0(14): 12-14,42 |
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| 作者姓名： | 武新丽 |
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| 作者单位： | 河北廊坊师范学院数学与信息科学学院,河北廊坊,065000 |
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| 摘 要： | 对计算机发声系统的原理进行了详尽的分析,阐述了以位触发和可编程时间间隔定时器8253/54两种方式驱动扬声器发声的方法和技术。在有关时间延迟上,介绍了一种利用硬件产生的与CPU无关的时间延迟的方法。实现了利用通用发声程序让计算机演奏自己编制的乐曲。
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| 关 键 词： | 扬声器 定时器 |
Analysis on Computer Sound System |
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| WU Xin-li. Analysis on Computer Sound System[J]. Computer Programming Skills & Maintenance, 2012, 0(14): 12-14,42 |
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| Authors: | WU Xin-li |
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| Affiliation: | WU Xin-li (Department of Mathematics ＆ Information Seience, Langfang Teachers＇ College, Hebei Langfang 065000, China) |
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| Abstract: | This thesis analyses the principle of computer Sound System thoroughly.And introduces ways and technique of producing sound with speaker by bit triggering and Programmable Interval Timer 8253/54.Especially on time prolongation, way of time prolongation made by hardware,not CPU,is adopted.Then computer plays self-composed songs through common sound programme. |
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| Keywords: | speaker timer |
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