搜索资源列表
fft2ftftE
- 修改的倒谱处理语音的函数,将fft转为倒谱,采用了遮掩原理-Modify the function of speech cepstrum processing
wv2fftE
- 修改的倒谱处理语音的函数,将wav转为fft,采用了遮掩原理-Modified speech cepstrum processing function, fft into cepstrum by the cover principle
AudioWave
- 对WAV格式的语音信号的FFT等变换,并显示该语音信号的频谱特性。-FFT of the speech signal such as transformation
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
project1
- 输入一段语音信号,计算该段信号的FFT和逆FFT并输出-Input section of the speech signal, the calculation of the above signals and the FFT and inverse FFT output
test
- 自己编写的语音信号的采集,fft变换(两种),以及信噪比的计算!希望对大家有所帮助!-I have written the speech signal acquisition, fft transform (two kinds), and the calculation of signal to noise ratio! We want to help!
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
mfcc2FFT
- 语音识别中,语音信号的MFCC系数回溯到FFT系数过程的源码-MFCC speech recognition in the process of source code back FFT
The-research-of-anti-niose-speech
- 论文首先介绍了传统的语音特征参数MFCC,它是基于人耳听觉 特性设计的一种特征参数,在静音环境下能得到较高的识别率,但在 信噪比较低时识别率急剧下降,不利于实用化。本文通过对MFCC算 法的分析和研究,发现其中的FFT和DCT在整个时频空间使用固定的 。分析窗,这不符合语音信号特性,而小波变换具有多分辨率特性,更 符合人耳的听觉特性。因此,本文将小波变换和MFCC算法相结合, 提出了三种新的语音识别特-Speech recognition has wide use in
FFT
- fourier fast trasform for speech analisys
Smfccczipp
- 语音识别中的MFCC参数提取的javaa源码与FFT的java源码 可直接使用。 -MFCC parameters in speech recognition the extracted javaa source and FFT java source code can be used directly.
speech-analysis
- 对语音进行分析,包括时域分析(包括能量、过零率、互相关函数)和频域分析(包括fft变换、倒谱、LPC)-Speech analysis, including time domain analysis (including energy, zero-crossing rate, the cross-correlation function) and frequency domain analysis (including fft transform, cepstrum, LPC)
SpeechRecAndSyn07
- 一个带用户界面的matlab语音合成和识别的程序,MainGuide01.fig通过提取MFCC,用dtw来计算实时录音和模板之间的最小距离,给出识别结果,并且给出波形图,频谱图,语谱图。MainGuide02.fig是语音合成程序,通过load一个wav文件用LPC,残差和pitch两种方式进行合成,并且能实时听合成语音的效果。-This is an simple user interface program including speech recoginition and speech s