基于Smaart 7多通路声学测量系统的电声系统调试与优

基于Smaart 7多通路声学测量系统的电声系统调试与优化

信息工程专业李培生 2010级信工（1红外光通讯）班麦文聪

指导教师：***

摘要扩声系统作为一种信号实时放大系统，被广泛运用于各种文化场所。扩声系统设计搭建完成后，需要求其进行测量调试。随着电声领域的发展，电声测量工具由硬件仪器逐渐被测量软件所代替。本文运用声场测量软件Smaart 7甲烷燃料电池对所设计的测量系统的频谱、延时等进行测量。考虑声场环境的整体声学特性，设立了三个测量点。综合分析三个测量点所得到的数据，运用数字处理器对该系统进行调试优化，主要包括分频设置、延时调整、均衡补偿等。最后，通过调试后的放音对比，发现运用Smaart 7进行测量调试后，扩声系统性能有了明显的提升。

关键词实时频谱；延时；分频；均衡补偿

实战能力ABSTRACT 展璞计划Audio system as a real-time signal amplification system, is widely used in a variety of cultural venues. After the audio system set up completely, request it be measured

and debugging. With the development of acoustic field, acoustic measurement tools by the hardware instrument is gradually replaced by measurement software. In this paper, we use Smaart 7 to measure the spectrum and delay of audio system. Consider the overall sound field acoustic characteristics of the environment, the establishment of three measurement points. Comprehensive analysis of the data obtained in the three measurement points, the use of digital processors optimized for debugging the system, including the crossover settings, delay adjustment, EQ compensation. Finally, through the contrast before and after debugging, found the use of Smaart 7 debugging , the audio system performance has been significantly improved.

KEYWORDS Real-time spectrum；time delay；新闻与传播研究 frequency division；EQ compensation

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