脉冲激光与电刺激治疗系统音频信号处理模块的研制

摘要

目的:设计一款基于TMS320VC5402 DSP的音频信号处理模块,用于采集处理多模式脉冲激光与电刺激治疗系统的音乐信号,探讨不同频率成分的音频信号对治疗高血压的影响,实现多模式脉冲激光与电刺激治疗高血压治疗处方的多样化.方法:使用音频编解码芯片TLV320AIC23B实现对多模式脉冲激光与电刺激治疗系统的音乐信号的采集,利用高性能数字信号处理芯片TMS320VC5402对采集的信号进行相应的信号分析与处理.通过数字信号处理技术得到新的治疗处方应用于多模式脉冲激光与电刺激治疗系统,用于探讨不同频率成分的音频信号对治疗高血压的影响.结果:设计的硬件平台稳定可靠,可实时采集音频信号,可用于寻找对高血压治疗的有效频率成分.结论:该设计可实时采集音频信号,并运用各种信号处理的手段,产生不同的高血压治疗处方,为寻找有效治疗高血压的音频频率成分提供了可靠稳定的硬件平台.%Objective:To design an audio signal processing module based on DSP TMS320VC5402 used to sample and process audio signal from multi-mode pulse laser and electrotherapy system, discuss different frequency components of audio signal influence hypertension treatment and achieve hypertension treatment prescription for multi-mode pulse laser and electrotherapy system of diversification. Methods: We use audio codec TLV320AIC23B for sampling audio signal from multi-mode pulse laser and electrotherapy system, and use high performance digital signal processing chip TMS320VC5402 for analyzing and processing audio signal. Through digital signal processing technology to generate new treatment prescription applied in multi-mode pulse laser and electrotherapy system, is used to explore different frequency components of audio signal influence hypertension treatment. Results: The design of hardware platform is stable and reliable, which can sample real-time audio signal, search effective frequency components for hypertension treatment. Conclusions: This design can collect real-time audio signal, and use different kinds of signal processing method to produce different hypertension treatment prescription. It also provides a reliable and stable hardware platform for searching effective frequency component of audio signal for hypertension therapy.