Hardware Design Of Correlation Analysis System Based On DSP Chip

In information processing technology, audio processing occupies a very important position. It involves industrial detection, medical equipment, military, communications, consuming electronics and many other fields. Audio processing uses processing system based on computer in general occasions. Audio signal processing based on DSP is developed in this design, which is used in high requirements of the size and real-time system.This project designs a DSP-based two-channel audio signal acquisition and processing system-related operations.The system of audio signal acquisition and correlative processing is designed applying TMS320VC5402 of TI in this paper. The system's main features are:1. Two-channel audio signal acquisition and correlative processing is acquired.2. Using 8-bit parallel I/O bootloader. After electrically reset, user application program is loaded to DSP chip memory for operating from external memory.3. Dual CPU. AT89C51 chip control man-machine interfaces and TMS320VC5402 of the system as prosecutors. TMS320VC5402 connect with the MCU through HPI. They communicate with each other through sharing the memory of TMS320VC5402.It presents a leak point positioning algorithm formula, and designs a DSP and microcontroller combination of leak detection system in this paper. Then it presents the system CPU module, the external memory interface module, audio acquisition and processing module, the hardware circuit of display module.Finally, the system software design is presented, including the initialization and two-channel audio-correlative processing...