搜索资源列表
waveInFFT_demo
- 实现语音的采集、量化、控制、频谱显示功能。整个程序是通过windows平台下,使用VC++6.0的库函数实现声卡的信号采集从而生成wave文件;之后,对信号进行FFT,并在windows窗口下完成频谱显示。-Voice of the collection, quantification, control, spectrum display function. The whole process through the windows platform, the use of VC++ 6.0 o
speech
- 语音参数短时能量,短时过零率,短时平均幅度,语音端点检测,fft变换与反变换-Voice parameters of short-time energy, short-time zero-crossing rate, short-term average rate, voice activity detection, fft transform and inverse transform
fft
- 用于语音识别前端信号预处理的快速傅里叶变换,提高语音信号识别率!-Fast Fourier transform for speech recognition front-end signal pre-processing, improve the recognition rate of voice signal
mic
- 凌阳单片机编程语音录入,FIR滤波,FFT处理,分阶显示,可扩展为音乐彩灯,比较简单,供学习用-Sunplus microcontroller programming voice input, FIR filtering, FFT processing, sub-bands show, can be extended to music Lantern, is relatively simple to use for learning
specdisp
- 自己写的利用FFT变换实现的声音频谱分析函数,支持多声道wav,可以对FFT变换点数、时间分辨率、频率分辨率、显示方式进行定制-Wrote it myself using FFT transform the voice spectrum analysis function, support multi-channel wav, can transform FFT points, time resolution, frequency resolution, and display customiz
matlab
- 用matlab实现语音的加噪去噪过程,FFT变换-Implementation using matlab voice add process noise denoising, FFT transform
zjdwork
- 语音信号滤波程序(低通、带通、多带通、fft卷积滤波 自己动手做的-Voice signal filtering process (low-pass, band-pass, multi-band-pass, fft convolution filtering
fft
- 这是一个用C语言写的FFT变换,可用于语音或图像数据的处理。-This is a C language with the FFT transform, can be used for voice or image data processing.
Lab0503-FFT
- fft变换,快速傅里叶变换,适合ads语音处理软件开发-fft transform, fast Fourier transform, suitable for voice processing software ads
bpsk
- this a starter program for BPSK coding,,, implemented on DSK c6713.. go and enjoy the lovely BPSK of your sweet voice-this a starter program for BPSK coding,,, implemented on DSK c6713.. go and enjoy the lovely BPSK of your sweet voice....
AnalogVoiceSignal
- 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图。 -Observing real-time analog signal (voice) of the spectrum collected with the audio devices section of
SignalSpectrumAnalysis
- 信号频谱分析 1. 观测已知方波信号、正弦波信号的频谱 分析频率为4KHz、8KHz的占空比为50 的方波信号、正弦波信号的频谱。记录所得频谱图。 2. 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图-Signal spectrum analysis
FrequencyDomainAnalysisOfTheSystem
- 信号频谱分析 1. 观测已知方波信号、正弦波信号的频谱 分析频率为4KHz、8KHz的占空比为50 的方波信号、正弦波信号的频谱。记录所得频谱图。 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图-Signal spectrum analysis 1.
FFT
- dsp 使用c语言实现通过dsp技术对外部输入的语音数据进行fft计算其频谱,得到其频域特征-dsp by dsp using c language implementation of voice technology on the external input data to calculate the fft spectrum, by its frequency-domain characteristics of
soundsignal
- 将声音文件在时间轴上分割成几段,分别将段的秩序及某些段内的秩序颠倒,从而实现了对声音文件的加密。首先,先读取一个声音信号,对信号做1024点FFT变换,取完点之后,分成四个向量,四个向量组成一个矩阵,再对每一个向量进行转置,再重新整合,从而就实现了回密的过程。-Sound files on the timeline will be divided into paragraphs, each paragraph of the order and reversed the order of some
nes
- voice recognition FFT, in visual basic
sound_analysis
- 语音信号的频谱分析,包括采样语音的FFT变换,及倒频谱分析.-Speech signal spectrum analysis, including FFT, voice samples, and cepstrum analysis.
22019193wavread
- 用于对声音信号进行处理,包括FFT变换,频谱估计等等!-Used for voice signal processing, including FFT transform, spectral estimation, and more!
FFT
- 基于DSP的语音信号分析的FFT算法实现的源程序-DSP-based voice-signal analysis of the FFT algorithm source code
VB-voice-spectrum-analysis
- 通过api函数获取声卡音频数据,并进行FFT变换,将频谱图显示出来。(Data sound card are obtained by api functions and converted with FFT to frequency graph.)