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The Realization of Voice Analyzer Based on Virtual Instrument Technology

Author: ZhaoGuiYan
Tutor: BaiFengMing
School: Changchun University of Science and Technology
Course: Detection technology and automation devices
Keywords: Virtual Instrument Speech Signal Analysis Sound Card LabWindows / CVI Short-time Fourier transform
CLC: TN912.3
Type: Master's thesis
Year: 2002
Downloads: 529
Quote: 1
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Abstract


Based on the \analyzer. The system includes hardware design and software programming in two parts. Hardware circuit includes pickups, signal conditioning circuits, and applications to achieve data acquisition circuit card . Software part of a modular design , including soft panel design and signal analysis module design . Signal analysis section composed of five sub-modules to achieve: data acquisition module , data read module, data processing module, data storage module and results display module. In the basic hardware circuit , based on the speech signal analyzer software program implements the functions of signal analysis . In this system, a software program for the entire instrument to achieve the functions play a key role in the program the more perfect, more powerful instrument to achieve the function , which fully reflects the virtual instrument \The study has a soft voice signal analyzer upgrade , the system's adaptive window , visually striking FBI optimization and simple operation . Detection system for audio signal analysis and processing .

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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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