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The Research of Music Signal Processing Based on Single Chip

Author: WangDongHui
Tutor: ChenTieJun
School: Zhengzhou University
Course: Control Theory and Control Engineering
Keywords: Music signal CQT Matrix keyboard 4-led digital tube display
CLC: TN912.3
Type: Master's thesis
Year: 2009
Downloads: 286
Quote: 0
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Abstract


Vocational colleges in recent years, higher vocational electrical professional development , is based on the demonstration of professional construction requirements , reflects the combination of engineering training to carry out productive opened the increasingly high standard of training topics . In order to reflect the issues of production , both subject theory , also the subject of interest , so as to select the subject , both typical representative ; achieve the combination of expertise and practice . The subject from the study the music module pronunciation mechanism , the music signal beat tracking and noise elimination of starting , AT89S51 microcontroller - based chip , through the expansion of the related hardware systems and the development of control software to produce audio , audio signal processing , digital display and matrix input music the basic functions of the module . This paper is divided into five parts : the first part of the analysis and design ideas ; major music signal processing , audio produce and matrix keyboard access ; the hardware overall circuit diagram of the third part of the main design system , and the necessary devices ; Part IV software debugging and simulation ; fifth part is a summary of thinking . Final debugging installation design of the experimental module . The module features typical concentration using high-performance devices , the experimental module small , high-speed , high and reliable , but also extend the performance advantages . Therefore , it is ideal for higher vocational education training modules .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Electro-acoustic technology and speech signal processing > Speech Signal Processing
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