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doc1456.rar
Digital Sound Recorder
with AVR® and DataFlash
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vioce-signal-processing.rar
录制自己的一段语音，时间控制在15秒到30秒左右；利用wavread函数对自己的语音进行采样，记住采样频率。
（1）画出原始语音信号的时域波形，而后以1秒为间隔，求出每秒数据的功率谱。
（2）根据语音信号特点，分别设计FIR及IIR滤波器，分别画出滤波器幅频和相频特性曲线。用设计的滤波器对信号滤波，画出滤波后时域波形。用sound函数回放语音信号。
（3）求出特征频段语音信号随时间变化的曲线（每间隔0.05秒求一次功率谱）。
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trieu.rar
In this paper we present the implementation of a digital lock-in amplifier (LIA)
completely based on Labview with a general-purpose data acquisition board (or a high quality
sound card) and a high-gain low-noise amplifier
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release.zip
... fairly clean. The main entry points are
AppletLauncher and FrameLauncher. The main game is in MarioComponent.
"sonar" is the base of a software sound engine I ve been working on. It s pretty nice, but there s a few bugs in it
(mostly timing based). ...
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DEMO_BSS.rar
Demo in Blind source separation with sound file
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MATLAB-Data-Acquisition-Toolbox.rar
... toolbox with two different pieces of
hardware. One is the sound card built into your laptop, the microphone and speaker
will serve as the data acquisition (and output) devices. The sound card provides
convenience because it will allow you to test ...
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