| 基于AD1954的数字音响处理系统的设计 |
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| 引用本文： | 邹勇,吴先球.基于AD1954的数字音响处理系统的设计[J].电声技术,2009,33(5):33-35. |
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| 作者姓名： | 邹勇 吴先球 |
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| 作者单位： | 华南师范大学,物理与电信工程学院,广东,广州,510006 |
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| 摘 要： | 介绍了音频信号处理专用DSP芯片AD1954的主要特性及其数字音频信号处理流程。在此基础上，提出一种以AD1954为核心的数字音响处理系统设计方案。利用AD1954专业的数字信号处理能力，实现了均衡、延时、分频等多种复杂的音频处理，利用单片机与AD1954的SPI端口之间的串行通信，实现对AD1954的控制。本系统能适应音响工程的应用要求。
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| 关 键 词： | AD1954 数字音频信号处理 音响 |
Digital Sound Processing System Design Based on AD1954 |
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| ZOU Yong,WU Xian-qiu.Digital Sound Processing System Design Based on AD1954[J].Audio Engineering,2009,33(5):33-35. |
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| Authors: | ZOU Yong WU Xian-qiu |
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| Affiliation: | School of Physics and Telecommunication Engineering;South China Normal University;Guangzhou 510006;China |
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| Abstract: | The primary character of AD1954 is presented,which is a special audio signal processor.The digital signal processing flow is introduced.Based on these,a design program of an audio signal processing system on the basis of AD1954 DSP is introduced.Owing to the powerful and professional signal processing capability of AD1954,this system can implement various complicated audio signal processing,such as equalizing,delay,frequency dividing.The communication interface between the SPI port of AD1954 and the singlec... |
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| Keywords: | AD1954 |
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