▍1. Sound-quality-calculation
声品质的计算程序，各种参数的计算能够实现声音品质的预测和重构。(Sound quality calculation procedure, and various parameters calculation can achieve voice quality prediction and reconstruction. )
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▍2. aec-fdaf
fdaf AEC matlab file with audio files to do the test
▍4. matlab_audio
基于matlab GUI的音频信息处理系统，具有声音录制、播放、暂停、渐弱、渐强、倒放、快放、回音、合成、滤波、变换声道、绘制波形曲线等功能(Matlab GUI-based audio information processing system, with sound recording, playback, pause, fade, gradually strong, rewind, fast release, echo, synthesis, filtering, channel change, drawing the waveform curve and other functions)
▍5. 31767689audiowatermark
基于离散余弦变换的数字音频水印技术,可供毕业设计的同学参考(DCT-based digital audio watermarking technique，could be a reference for the students under final year projects)
▍6. MATLAB_SOLA
说明： 参考_基于SOLA的Pitch Scaling算法 范钰华(上海交通大学)_,使用MATLAB实现SOLA算法,可以在变调不变速的基础下改变声调,程序比较易懂.适合初学者参考的,另外,VOICE_GUI是界面,介绍一些简单的语音处理,请大家多多指教speech_processing(sola)(Reference _ SOLA' s Pitch Scaling Algorithm Based on Fan Yu Hua (Shanghai Jiaotong University) _, use MATLAB to achieve SOLA algorithm can not shift in tone to change the basis of tone, the program easier to understand. Reference for beginners, and the other, VOICE_GUI is the interface introduce some simple speech processing, please bear teach speech_processing (sola))
▍7. flanging
说明： 镶边效应，可以产生不错的变声效果，可以随意修改(Flanger effect, the changes can produce a good sound effect, you can freely modify)
▍8. MATLAB_pitch
用matlab计算一些基本的音频特征，基本的特征包括：特征统计、Energy Entropy Standard Deviation (std)、均值信息熵、过零率检测、频谱衰减等等(Using matlab calculate some basic audio features, the basic features include: Features and Statistics, Energy Entropy Standard Deviation (std), mean information entropy, zero-rate detection, spectral attenuation, etc.)
▍9. whisper
此效果为模拟人声的沙哑声,跟robotㄧ样利用phase vocoder来实现(The effect of simulated human voice husky voice, with the use of robot-like ㄧ phase vocoder to achieve the)
▍10. myaudioplayer
使用Matlab GUI实现的音频播放器，可以显示频谱，实时频谱均衡，进度拖动，歌词显示等功能(Implemented using the Matlab GUI audio player, you can display the spectrum, real-time spectrum balance, the progress of drag, lyrics display functions)
▍11. schroeder
Schroeder提出的延时反馈网络的混响算法，此程序是这个算法的完整体现。(Schroeder proposed feedback network delay reverb algorithms, this procedure is that this algorithm is completely achieved.)
▍12. waveletfusion
基于matlab的小波图像融合算法，效果明显。(Matlab wavelet-based image fusion algorithm, an evident result.)
▍13. APPlicationofWaveletAnalysisinFaultDiagnosisofRota
本文阐述了研究背景，故障诊断技术的发展及其国内外发展现状。对旋转机械的常见故障及其机理做了介绍，从而明确了旋转机械故障诊断所需要的依据及诊断方法。整个系统进行了总体的设计，并对各个模块做了简要的介绍，比较了传统的故障诊断方法和小波分析方法，分析了在旋转机械故障诊断中引入小波分析的必要性。最后两章分别详细地介绍了系统中的两个核心模块的设计与实现。实践表明，该方法提高了故障诊断的准确性，取得了良好效果。同时，小波分析的结果还可以为以后的专家系统，智能诊断提供数据。(There15agreatdealofnon一stationarysingalsinmachineryoPeration.Buttraditional timedomainanalysisandrfequeneydomainanalysishvaemnaylimitationswith non一stationarysignals.Wavelettransofmrbasesonbaseufnction，leanrsthecharaeteristiesof trianglebaseofFourierTransofmrandwindowufnetionofShort一TimeFourierTransofmr， andofmrsoscillatoryanddamPedbaseufnction.It15Praisedasa“mathematiealmieroseoPe，， beeauseofitsmulti一sealeandtime一rfequeneycharaeteristiesandbeeomesanimPortanttool ofrdealingwithnon一stationarysials. )
▍14. code1
利用matlab提供的工具来采集和分析声音信号的频谱，内含声音文件ding.wav(Using matlab to provide tools to collect and analyze the voice signal spectrum)
▍15. antennas-and-radio-wave-propagation
宋铮等 天线与电波传播 部分图形matlab程序代码(宋铮antenna and radio propagation, such as some graphics code matlab)
▍17. 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, quantization bits, the number of channels and the encoding method.)
▍19. wave_simulation
说明： 船舶在海洋航行不可避免要受到扰动，这是一个海洋环境干扰的仿真程序。(Ships sailing in the oceans will inevitably be subject to disturbance, this is an interference with the marine environment of the simulation program.)
▍20. Matlab-XM
这个工具包主要计算音乐拍子，里面还有计算音乐信号能量，基音频率等功能。(The main calculation of this toolkit music beat, along with the calculation music signal energy, pitch frequency and other functions.)
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