搜索资源列表
hosa
- Higher-Order Spectral Analysis Toolbox
misc-plugins.tar
- Spectral audio analysis plugin for Vamp
digitalfilter
- 设计产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理，分析所设计滤波器(画出了频率特性曲线)，并对信号进行滤波，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，同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency componen
shengyin
- 这是一个对齿轮箱震动产生的信号进行捕捉并进行谱分析的程序 它应用了FFT变换算法-This is a gearbox vibration signals generated by capturing and spectral analysis procedures for the application of fast Fourier transform algorithm
question1_12
- Plot the power‐spectrum of the signal at 30.34 seconds. Use an analysis window of 23 ms. Your plot should be labeled as dB in the y‐axis and frequency (Hz) for the x‐axis. Comment very briefly on the spectral characteristic of the signal.
Speech-signal-short-time-analysis
- 语音信号的短时分析，主要包括：分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等-Short-time speech signal analysis, mainly including: sub-frame, short-time energy, short-term average, short-time zero-crossing rate, short-time auto-correlation function, short-t
voicebox
- 语音处理工具包，包括matlab语音输入输出，谱分析，LPC分析，语音增强等-Voice processing toolkit, including matlab voice input and output, spectral analysis, LPC analysis, speech enhancement, etc.
daexp3
- 音频数据的频谱分析.编程对一个wav文件（16位数据，单声道）的数据进行快速傅里叶变换，将变换后的实部和虚部数据输出至文件。-Spectral analysis of the audio data. Programming to a wav file (16 bit data, mono) data for a fast Fu Liye transform, the real and imaginary parts of the transformed data output to file.
libogg
- 首先对输入音频PCM信号进行时频分析，决定MDCT的长度，即加窗，然后进行MDCT变换；同时对原始音频信号要进行FFT分析。两种变换的频谱系输入给心理声学模型单元，MDCT系数用于噪声掩蔽计算，H可结果用于音调掩蔽特性计算，共同构造总的掩蔽曲线。然后根据MDCT系数及掩蔽曲线，对频谱系数进行线性预测分析用LPC(Linear Prediction Coefficience，线性预测系数)表示频谱包络，即基底曲线(Floor Curve)；或通过线性分段逼近方式获得基底曲线。从MDCT系数中去掉