搜索资源列表
V80
- 音频信号发生,将频率输出转化成声音输出
mux8
- 一个二选一的多路选择器,两个输入信号分别是不同频率的音频信号,选择信号由按键来触发,输出的信号输入到扬声器中
dfd1f337-dbe0-4d35-afdc-10a77bbee840
- 音频信号分析仪,能够进行音频信号的频率分析,对音频处理很有帮助
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。
wavelet
- 小波包分析提取振动信号中的特征频率,以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis -Extraction of wavelet packet analysis in the vibration signal characteristic frequency, as well as the calculati
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
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.
makesin
- 可以产生16bits和24bits的正弦信号,多个正弦信号的叠加以及扫频信号,所有信号都生成为wav文件。可以控制信号的幅度,频率和相位。自己写的,如果有问题,请小窗联系。-Can generate 16bits and 24bits sinusoidal signal, the superposition of multiple sinusoidal signals, as well as sweep signal, all signals gave birth to a wav file.
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
square-wave-generator
- 可定义方波产生,根据实际需要输出频率、幅值可任意调节的方波信号-Can define square wave produced, according to the actual need output frequency, amplitude can be arbitrary regulation of square wave signal
jiazao
- 加噪,为音频信号加上噪声,频率设置为22050hz,音频可以自己设置。更改fn即可。-Adding noise, the audio signal plus noise, the frequency is set to 22050hz audio set up their own. Change the fn can be.
harmonic
- 语音harmonic特征提取,先对语音信号分帧,然后对每一帧使用中心频率维基音频率的倍数的带通滤波器进行滤波,最后滤波结果的傅立叶变换的结果-Voice harmonic feature extraction, the first speech signal sub-frame, and then using the center frequency for each frame of Wiki sound frequency multiple of the band-pass filter f
biansheng
- 此文件实现了让语音信号通过低通,高通,带通滤波器使其变声,并且在GUI界面上绘出了个滤波器的频率响应和语音信号的频谱。-This file allows to achieve a voice signal through a low pass, high pass, band pass filter to make it change the sound, and plotted on a GUI interface and voice signal spectrum frequency res
Electronic-Stethoscope
- 目前大夫主要以听诊器倾听病人的气管、肺部区域的声音,对病人的疾 病进行判断;请设计一个听诊的软件,要求如下: 1) 可记录病人的姓名、年龄、性别、病史、不同疾病部位等状况; 2) 对病人的气管、肺部等区域的声音进行采集、分析、存储(前端听诊 部分不用考虑,只考虑数据采集部分)。 3) 可分析不同声音分量的大小,给出频谱图,以及主要频率的幅度,便 于大夫分析和验证; 4) 由于采集到的信号经常存在某些干扰信号,比如心脏的震动,请设计 低通、带通、带阻滤波器对信号处理
13307130259-11
- 基于Win32::Sound的播放器,可以播放任意频率正弦波、方波、三角波、锯齿波信号。-Based Win32 :: Sound of player that can play any frequency sine wave, square wave, triangle wave, sawtooth signal.
generate_music_tone
- 根据给定频率,持续长度和采样率来产生单音纯音信号,可以通过sound()进行播放,适合做音频合成实验-According to a given frequency, duration length and sample rate to produce a pure tone signal tone, can be played through sound (), suitable for audio synthesis experiments