搜索资源列表
Temporal_features_extraction
- 个人编写的提取音频信号的时域特征参数短时平均过零率及短时平均能量的matlab源程序。供大家参考-Extraction of individual preparation of the audio signal in time domain characteristic parameters of short-term average of zero-crossing rate and short-time average energy of the matlab source. For you
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.
amorph
- Owing to the broad application value of audio watermarking in remote transmission and mobile extraction, it is very important to study watermarking approaches against A/D and D/A conversion. Based on wavelet decomposition and cepstrum technol
vm2
- Owing to the broad application value of audio watermarking in remote transmission and mobile extraction, it is very important to study watermarking approaches against A/D and D/A conversion. Based on wavelet decomposition and cepstrum technol
steg1
- this program steganographs an image into another image. however the host and the specimen are image equivalents of audio signals which are rearranged to form an image. thus effectively it is audio steganography
attack.m.tar
- Audio Feature Extraction routine. this routine extracts the attack time of an audio source, by extracting the timing (sample) of the highest peak. The archive inclues a routine to extract the fft and display it. Requires Voicebox for matlab.
water
- 一个音频水印嵌入演示界面，嵌入容量较大。可供参考-An audio watermark embedding demo interface, embedded in a larger capacity. Reference
audiowatermarkingprogram
- 这是基于小波变换的音频水印matlab程序, 该程序是基于三段式能量关系嵌入水印的,对研究水印的同仁有帮助。 -This is the audio watermarking matlab program based on wavelet transform. it is based on three-power relations embedded watermark and has help to the watermark research colleagues.
audiowaterprint
- 这是在matlab开发环境下，编程实现基于小波变换的音频水印的嵌入，提取，检测等工作。-It is the matlab code for audio waterprint based on wavelet transform,embeding and extration of the waterprint are included.
10
- 音频水印在复倒谱域嵌入水印，采用统计均值调制方法嵌入-Audio watermarking in the complex cepstrum domain embedded watermark embedding using statistical average modulation method
SVD_DWTAudioMark
- 实现了一个音频水印，包括嵌入，提取过程等。包括了原文件。-This source code realized an audio watermarking.It includes the embeding and extracting procedure.Also the original file is in it.
voice
- 音频信号加上噪声后通过滤波回复原音频信号-Audio signal plus noise is to restore the original audio signal by filtering
AUDIO
- matlab code for Haar transformation
111
- 录制一段个人的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用双线性变换法和窗函数法设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，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，分析信号的变化；回放语音信号；最后，设计一个信号处理系统界面。-Record a personal voice signal, and recording the signal is sampled draw sampled
OK
- 用MATLAB对 22.05 KHz WAV音频文件进行重采样，采样频率为8KHz，以适应语音通信系统。-Using MATLAB, 22.05 KHz WAV audio files for re-sampling, the sampling frequency of 8KHz, to meet the voice communication system.
matlab_mfcc
- 音频mfcc 参数计算 用于计算语音信号的Mel倒谱系数-Audio mfcc parameter calculation used to calculate the speech signal Mel cepstral
mp3readandmp3write
- mp3read和mp3write是直接写在wavread更换和wavwrite访问MPEG音频MP3文件。其特点包括： -旨在重复wavread完整语法和wavwrite -还支持上的动态下采样和渠道mpg123的合并-文件优化的很长的MP3 -只需要解码的部分-使用popen函数进行编码，以避免大量临时文件（可用时-看到我popenw墨西哥） -试图消除写保护回路的时间序列文件/通过阅读“热身”样本-包括辅助二进制软件包在Linux，Windows，Mac的PPC的，苹果，英特尔，和Mac英特
FFTAudioWater
- High capacity audio watermarking using fft amplitude interpolation