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pcm.rar
- 适用MATLAB仿真实现对模拟信号的采样量化编码程序（模拟信号采样经均匀量化后自然二进制编码），通信系统仿真必备,The application of MATLAB simulation of analog signal sampling quantization coding procedures (analog signal sampling by the uniform quantization after the natural binary code), communication s
audio
- 本实验旨在了解如何将模拟的声音信号转化为数字信号，重点掌握在数字声音四个重要的技术指标：采样速率、量化比特数、声道数和编码方法。-This experiment aimed at understanding how analog voice signal into a digital signal, with a focus in the hands of digital audio technology to four key indicators: the sampling rate, qu
wave
- 通过编程实现音频信号的实时获取，单声道、16KHz采样率、16bit量化，录音时长为10秒，保存为.wav格式的音频文件。-Implementation through the programming of real-time audio signal acquisition, mono, 16KHz sampling rate, 16bit quantization, recording length of 10 seconds, save it as. Wav format audio fi
Dis_Wave
- 能实现1Hz~50MHz间的频率测量，显示信号周期，能实现1Hz~15KHz间的信号波形实时显示，采样速率120KHz。-1Hz ~ 50MHz to achieve inter-frequency measurements show that the signal cycle, to achieve inter-1Hz ~ 15KHz real-time display of signal waveforms, the sampling rate of 120KHz.
audio
- 虚拟声卡频率计 该程序是在VC++6.0环境中，用C++语言编写的，分三个模块：一个是程序框架模块，实现程序的框架结构；二是声卡采样模块，实现声卡对外部模拟信号的采样；三是对采得的信号进行频率值计算。-The program is in VC++6.0 environment, using C++ language and is divided into three modules: Module One is the procedural framework, the framework o
waveedit
- 音频信号的获取与处理。通过编程实现音频信号的实时获取，单声道、16KHz采样率、16bit量化，录音时长为10秒，并保存为.wav格式的音频文件。-Audio signal acquisition and processing. Through the programming of real-time audio signal acquisition, mono, 16KHz sampling rate, 16bit to quantify the long recording time of
multisamplerate
- 改变原始wav音频信号的抽样频率，并且显示处理前后声音信号的频谱.有助于帮助大家理解奈圭斯特抽样定理。-Change the original wav audio signal sampling frequency, and shows the spectrum of sound signal before and after treatment. Helps to help you understand the Nyquist sampling theorem.
digitalfilter
- 设计产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理，分析所设计滤波器(画出了频率特性曲线)，并对信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency componen
GUI
- 1）选择一个语音信号作为分析对象，或录制一段语音信号； 2）对语音信号进行采样，画出采样前后语音信号的时域波形和频谱图； 3）利用MATLAB中的随机函数产生噪声加入到语音信号中，使语音信号被污染，然后进行频谱分析； 4）设计用于处理该语音信号的数字滤波器，给出滤波器的性能指标，画出滤波器的频率响应； 5）对被噪声污染的语音信号进行滤波，画出滤波前后信号的时域波形和频谱，并对滤波前后的信号进行比较和分析； 6）回放各步骤的语音信号，给出相应处理程序及运行结果分析。-1) Select a voi
fftcode_scope_THD
- fftcode_scope computes and displays spectrum of a signal stored in a Structure with Time format (Format used to save signals in Simulink Scope block and in To Workspace block). The signal must be sampled at fixed step. PSBFFT_SCOPE perf
rir_generator
- MATLAB混响生成代码，只需输入原始信号，麦克风位置，采样率，采样点数即可。-MATLAB reverberation generated code, simply enter the original signal, a microphone, sampling rate, sampling points.