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[Audio program] audio DL : 0: 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.
Date : 2026-01-18 Size : 5.96mb User : 贺美琛
[Audio program] audio DL : 0: 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 of realization of program structure Second, sound card sampling module, the realization of the external sound card for analog signal sampling three of the signals collected in terms of frequency.
Date : 2026-01-18 Size : 40kb User : li yan
[Audio program] DA_convert DL : 0: Analog-to-digital conversion - sine wave-Analog-to-digital conversion- sine wave
Date : 2026-01-18 Size : 42kb User : 韩富军
[Audio program] Ellip_ctcss DL : 0: MATLAB濾波器設計運用matlab函式將類比綠波器轉成數位濾波器善用了ellip 及 bilinear 還有 tf2sos 函式因為有展成sos形式,式和實際上濾波器的設計應用,並附上對講機應用之ctcss濾波器處理程式-MATLAB Filter Design use matlab function analog green wave is converted to a digital filter to make good use of the the ellip and bilinear There tf2sos of function developed into sos form of style and actually filter design application, together with a walkie-talkie the application of ctcss filter processing program
Date : 2026-01-18 Size : 1kb User : amazing
[Audio program] yanshou DL : 0: 以MATLAB软件为工具，在GUI图形用户界面下针对不同特点的语音信号进行八种不同模式的滤波处理的语音信号处理系统，涉及基于巴特沃思滤波器的IIR滤波器和汉明窗设计的FIR滤波器，能够实现语音文件的打开及自定义路径的存储功能，同时可以实现语音信号加噪和音频倒放功能。-The source code, by means of MATLAB, under the Graphical User Interface, achieves a kind of speech signal processing system with eight different modes of speech signal filters working according to different characteristics of speech signal. The system involves IIR filter based on Butterworth analog filter and FIR filter based on Hamming Window, is able to open and save audio files in the user-defined place and realizes functions of noise addition and audio back-play.
Date : 2026-01-18 Size : 19kb User : 李小
[Audio program] PESQ DL : 0: PESQ-主观语音质量评估。 ITU-T P.862建议书提供的客观MOS值评价方法。PESQ可以广泛的用于现场和模拟网络中端到端测量。背景(环境)噪声和噪声处理,可以通过用PESQ比较干净的、未处理的信号和编码的、经噪声干扰失真的信号评估得到。-PESQ- subjective speech quality assessment. ITU-T P.862 recommendations for objective MOS value uation method book provides. PESQ can be widely used in the field and in the end measurement analog networks. Background (ambient) noise and noise processing, you can use PESQ relatively clean, unprocessed signal uation and signal encoded by the noise distortion obtained.
Date : 2026-01-18 Size : 53kb User : 公子寒