搜索资源列表
signalprocessing
- 基于matlab的音频信号处理 基于matlab的音频信号处理 -Matlab-based audio signal processing matlab-based audio signal processing matlab-based audio signal processing matlab-based audio signal processing
FIR_audiofilter
- 用Matlab实现的音频FIR滤波，提供音频文件实例，效果很好-Implemented using Matlab audio FIR filter, to provide examples of audio files with good results
equalization
- 实现数字音频信号的幅频均衡，采用了lms算法和rls算法，有MATLAB的simulink模型，和m文件，还有部分c程序，已经本人完全测试过。-Digital audio signal of the amplitude-frequency equalization, using lms algorithm and rls algorithms, there are MATLAB-simulink model, and the m file, as well as part of the c pr
voicefliter
- 基础的音频处理matlab程序，设计巴特沃斯低通数字滤波器实现滤波。-Matlab-based audio processing procedures, Butterworth low-pass digital filter designed to achieve the filtering.
matlab_process_audio_signal
- 使用matlab编辑音频信号，音频读写，录制与播放-read,write,record and play audio files with matlab
MATLAB
- 实现音频信号的输入和对其进行时域与频域的分析-To achieve the audio signal input and its time domain and frequency domain analysis of
watemarkr
- 一种基于DCT变换的音频数字水印，将MP3音乐声音文件转化为WAV声音文件，将水印信息嵌入到WAV声音文件，再将WAV声音文件转化为MP3音乐声音文件。 -DCT-based audio digital watermark, the MP3 music sound files into WAV sound files, the watermark information embedded into the WAV sound files, and then WAV sound files int
multisamplerate
- 改变原始wav音频信号的抽样频率，并且显示处理前后声音信号的频谱.有助于帮助大家理解奈圭斯特抽样定理。-Change the original wav audio signal sampling frequency, and shows the spectrum of sound signal before and after treatment. Helps to help you understand the Nyquist sampling theorem.
matlab
- 在提供音频的情况下，利用双音多频确定拨号音。-In the provision of audio cases, the use of dual-tone multi-frequency determine the dial tone.
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.
G729coder
- G.729音频压缩、解压缩到Matlab程序。使用方法详见readme文档。-Descr iption Most of G.729 source code is written in C.But this one is written in matlab. follow these steps to use it: 1.To coder a speech(ensure it as a row vector variable in matlab),simply type
pitchdetection
- 自相关法基音检测的MATLAB代码。自相关法计算速度较快的自相关函数法检测语音的基音频率，有效剔除了高频共振峰和噪音的影响，其估计基音频率准确性高，稳定性好，运算速度较快。-CAMDF
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.
wavelet_analysis_matlab_program
- 关于小波分析的matlab一些程序，在各方面应用的例子，比如在图像和音频上-On the wavelet analysis matlab program
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
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