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nannvshengshibie
- 本文通过对男性和女性声音的语音特征的研究,发现男女声的基音频率存在较大的差异,并设计了基于基音频率分析的男女声识别系统。男女声识别系统由以下三个模块电路构成:话筒放大器,低通滤波器,半波整流电路,单片机测量控制模块。话筒放大器采用NE5532P音前置芯片,对语音信号进行放大;八阶低通滤波器MAX293完成基音信号的提取;单片机STC12C5410AD实现频率测量和控制输出功能。经仿真与电路实测,男女声的识别效果良好。-In this paper, the voices of male and f
suijixinhao
- 给定一个音频范围内的模拟强噪声随机信号(强噪声+周期信号),将信号从强噪声中提取出来,并计算原信号及提取信号的均值、平均功率、方差、频谱及功率谱密度、互相关等 并附带图形-Given within the scope of an audio simulation of strong noise random signal (noise+ periodic signal), the signal from strong noise in the extracted and calculated s
plotBandTime_Sound
- 改程序能将从音频文件中提取到的特征,分别画在8个频段的幅度-时间图上-The magnitude of change program can extract audio files from the features were painted in eight bands- time graph
Digital-watermarking-technology
- 语音信号的数字水印技术,比较全,可以完成音频文件的水印嵌入和提取-Digital watermarking technology based on matlab program
Video-classification-
- 本文档包含了对视频分类的方法论文,先提取视频中音频信息和图像信息,然后进行拼接并使用PCA进行降维处理,最后使用高斯联合模型进行学习和分类-This document contains papers on the video classification method, first extract the video audio information and image information, and then stitching using PCA dimension reduction,