搜索资源列表
getwav2.m
- 用matlab的audiorecorder进行音频提取,声音预加重处理并画波形图-The audiorecorder with matlab for audio extraction, audio pre-emphasis and draw waveforms
tezhengzhi
- 利用matlab进行时域分析,本实验首录了三个音频。并编写程序求其特征值。特征值有平均值,整流平均值方差,标准差,方差,峭度,均方根,波形因子,峭度因子,峰值因子,脉冲因子,裕度因子。还有就是对音频进行自相关分析得出其波形图。-Use matlab time-domain analysis, the first experiment recorded three audio. Programming and seeking the eigenvalues. Characteristic valu
VC-Audio
- 音频数据采集,能显示波形 可采集传感器等非音频信号,能够实时显示。至于其他功能如:回放,存储,压缩和相关处理的算法等功能由于其他技术保密。没有贴出。-Audio data collection, able to display the waveform Can collect sensor etc. The audio signal, can real-time display. As for the other functions such as: playback, storage,
CFastFourierTransform
- 一个音频播放同时显示波形的代码,可以学习傅里叶变换过程,通过处理音频数据,整个程序以类的形式进行封装-An audio playback simultaneously display code waveform can learn Fourier transform process, by processing audio data, the entire program in the form of class encapsulates
pcm
- 基于静音识别的PCM编码,包含PCM编译码,显示波形图,自动保存处理后的音频-PCM coding based on mute identification, including PCM decoding, display waveform figure, automatically saved after processing of the audio
MELP_VC
- 语音编码,混合激励线性预测,波形音频文件格式,低级音频函数,套接字,网络编程-very useful code
audio-parts
- 对读取的音频信号进行采集,加噪,滤波等处理,也可以实时采集音频信号,并且显示时域波形。-Audio signal acquisition, noise, filtering and other processing
music-player
- 简单地实现对读取的音频信号进行处理,可以加快播放速度,减慢播放速度等,也可以通过一个界面其显示波形。- Simply to read the audio signal to be processed, you can speed up the play speed, slow playback speed, etc., can also be displayed by an interface waveform.
WinAudioRecord
- 通过设备采集音频,绘制波形图,对数据进行编码保存(acc).-Through the device to capture audio, draw a waveform diagram for encoding data stored (acc).
Signal-recognition
- 函数可以作出时域波形图和频域频谱图,并且计算基因频率自动判断音频文件是男声还是女声声音。ds函数输入变量是文件名和降采样的间隔,通过插值的办法保证了原信号的长度,可以画出时域及频域图像,并且判断男女声,最后播放降采样之后的声音-The function can make time-domain waveform and frequency spectrum, and calculate the gene frequency automatically determine the audio fi
Untitled
- 音频滤波处理!画出时域波形和频谱,即可观察相关时频域特征-Audio filtering
hingbun_v38
- 音频信号通过LM386放大,IDW距离反比加权方法,进行波形数据分析。- LM386 audio signal amplification, IDW inverse distance weighting method, Waveform data analysis.
volume
- 这是DSP基础声波音频程序volume。通过读取外部文件sin.dat,可以在CCS中显示出文件中的波形,本例为正弦波。-This is the DSP based sound wave audio program volume. By reading the external file sin.dat, you can display the waveform in the file in CCS. This example is a sine wave.
Embedded-experimental-program
- 嵌入式实验课程程序,直流步进电机,LCD,触摸屏,音频录放,波形扫描-Embedded experimental course program, DC stepper motor, LCD, touch screen, audio recording and playback, waveform scanning
data_fileread
- 用于读取信号采集器采集的音频信号,显示其时域波形- U7528 u4B0B u8BFB u53D6 u4F1 u53F6 u53F7 u91C7 u96C6 u5668 u91C6 u96C6 u7684 u97F3 u9891 u4FE1 u53F7 uFF0C u663E u793A u5136 u65F6 u57DF u6CE2 u5F62
Wav文件解析
- WAV文件的格式解析,获取纯音频部分的数据,并以波形显示;可回放。(WAV file format analysis, access to pure audio part of the data, and waveform display, playback.)
111
- 功能包括: (1) 音频信号信号输入,从声卡输入、从WAV文件输入、从标准信号发生器输入; (2) 信号波形分析,包括幅值、频率、周期、相位的估计,以及统计量峰值、均值、均方值和方差的计算; (3) 信号频谱分析,频率、周期的估计,图形显示幅值谱、相位谱、实频谱、虚频谱和功率谱的曲线。(Functions include: (1) input of audio signal signal, input from sound card, input from WAV file, input
声音信号采集与存储程序
- 基于labview的信号采集与存储程序,通过读取音频文件进行波形显示(LabVIEW based signal acquisition and storage program, read the audio file for waveform display.)
WaveProc
- 音频 WAV 波形图 ,VC++ ,播放左右WAV文件(Audio waveform diagram to play wav file and show two channel wav)
用pwm波播放wav
- 用单片机产生的pwm波形来驱动蜂鸣器或者耳机进行wav格式音频的播放