直升机模型制作学生：XX 指导老师:XX
内容摘要：本文以AT89S52 单片机为控制核心,通过播音判断电路寻广播间歇时段,实时采集噪声环境内的噪音信号,根据A/ D 转换后的噪音电平值计算出复杂环境下噪声信号的平均功率;根据噪声信号的功率大小自适应地控制大厅环境内的广播音量,实现了复杂噪声环境下自适应音量控制系统。该系统的硬、软件设计简单,性能良好,价格低廉。实验结果表明,该系统实现了预期功能,自适应效果良好,性价比较高,具有良好的推广价值。 关键词凝胶珠: 语音判断 噪音采集 自适应音量控 AT89S52单片机
An adaptive volume cont rol AT89S52 MCU system based on noise collection is int
Abstract非隔离电源模块dtt使用浓度：roduced. By looking forbroadcasting intermittent period using the voice judge circuit ,complicated noise signal at hall environment is sampledreal2time. Through A / D conversion and calculation ,the average power of noise signal can be measured. According tothe average power of noise signal ,an adaptive volume cont rol system at co
5v转12vmplicated noise environment is designed. Thedesign of hardware and sof tware is simple and cost performance is good. Experimental result s show that the whole
system can adaptive adjust s volume according to the environment noise signal , and it s engineering value is good.
Keywords： voice detection noise sampling通水电缆 adaptive volume cont rol AT89S52
豫公网安备41160202000603
站长QQ:729038198
关于我们
投诉建议