【信号处理】语音时域频域频谱图分析含Matlab源码

简介: 【信号处理】语音时域频域频谱图分析含Matlab源码

 1 简介

语音信号处理技术是语音处理领域中新近发展起来的一个学科分支,MATLAB是一个数据分析和处理功能十分强大的工程实用软件,运用它来进行语音信号的采集,分析和处理相当便捷.文章介绍了在Matlab环境中如何采集语音信号和语音信号采集后的频谱分析处理,并通过实例分析了语音信号处理的Matlab.

2 部分代码

function varargout = untitled(varargin)% UNTITLED MATLAB code for untitled.fig%      UNTITLED, by itself, creates a new UNTITLED or raises the existing%      singleton*.%%      H = UNTITLED returns the handle to a new UNTITLED or the handle to%      the existing singleton*.%%      UNTITLED('CALLBACK',hObject,eventData,handles,...) calls the local%      function named CALLBACK in UNTITLED.M with the given input arguments.%%      UNTITLED('Property','Value',...) creates a new UNTITLED or raises the%      existing singleton*.  Starting from the left, property value pairs are%      applied to the GUI before untitled_OpeningFcn gets called.  An%      unrecognized property name or invalid value makes property application%      stop.  All inputs are passed to untitled_OpeningFcn via varargin.%%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one%      instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help untitled% Last Modified by GUIDE v2.5 23-Apr-2019 11:42:04% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name',       mfilename, ...                   'gui_Singleton',  gui_Singleton, ...                   'gui_OpeningFcn', @untitled_OpeningFcn, ...                   'gui_OutputFcn',  @untitled_OutputFcn, ...                   'gui_LayoutFcn',  [] , ...                   'gui_Callback',   []);if nargin && ischar(varargin{1})    gui_State.gui_Callback = str2func(varargin{1});endif nargout    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else    gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before untitled is made visible.function untitled_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject    handle to figure% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% varargin   command line arguments to untitled (see VARARGIN)% Choose default command line output for untitledhandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes untitled wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = untitled_OutputFcn(hObject, eventdata, handles) % varargout  cell array for returning output args (see VARARGOUT);% hObject    handle to figure% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject    handle to pushbutton1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% --- Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)% hObject    handle to pushbutton2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)close all% --- Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)% hObject    handle to pushbutton3 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)close(untitled)gui;% --- Executes on mouse press over axes background.function axes2_ButtonDownFcn(hObject, eventdata, handles)% hObject    handle to axes2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)axes(handles.axes2);imshow(imread('bishe.jpg'))% --------------------------------------------------------------------function uipanel1_ButtonDownFcn(hObject, eventdata, handles)% hObject    handle to uipanel1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)

3 仿真结果

image.gif编辑

image.gif编辑

4 参考文献

[1]赵淑敏. 基于MATLAB实现对语音信号频谱分析[J]. 江西通信科技, 2010(1):4.

博主简介:擅长智能优化算法、神经网络预测、信号处理、元胞自动机、图像处理、路径规划、无人机等多种领域的Matlab仿真,相关matlab代码问题可私信交流。

部分理论引用网络文献,若有侵权联系博主删除。

5 代码下载

相关文章
|
3月前
|
数据采集 安全 新能源
【节点边际电价】机组运行约束对机组节点边际电价的影响分析(Matlab代码实现)
【节点边际电价】机组运行约束对机组节点边际电价的影响分析(Matlab代码实现)
264 2
【节点边际电价】机组运行约束对机组节点边际电价的影响分析(Matlab代码实现)
|
2月前
|
新能源 Java Go
【EI复现】参与调峰的储能系统配置方案及经济性分析(Matlab代码实现)
【EI复现】参与调峰的储能系统配置方案及经济性分析(Matlab代码实现)
137 0
|
3月前
|
传感器 机器学习/深度学习 算法
【使用 DSP 滤波器加速速度和位移】使用信号处理算法过滤加速度数据并将其转换为速度和位移研究(Matlab代码实现)
【使用 DSP 滤波器加速速度和位移】使用信号处理算法过滤加速度数据并将其转换为速度和位移研究(Matlab代码实现)
282 1
|
3月前
|
安全 调度
【火电机组、风能、储能】高比例风电电力系统储能运行及配置分析(Matlab代码实现)
【火电机组、风能、储能】高比例风电电力系统储能运行及配置分析(Matlab代码实现)
|
3月前
|
数据采集 算法 前端开发
MATLAB|基于3D FDTD的微带线馈矩形天线分析[用于模拟超宽带脉冲通过线馈矩形天线的传播,以计算微带结构的回波损耗参数]
MATLAB|基于3D FDTD的微带线馈矩形天线分析[用于模拟超宽带脉冲通过线馈矩形天线的传播,以计算微带结构的回波损耗参数]
172 2
|
3月前
|
机器学习/深度学习 算法 决策智能
MATLAB中双馈发电机与无刷双馈发电机低电压穿越的异同分析
MATLAB中双馈发电机与无刷双馈发电机低电压穿越的异同分析
|
4月前
|
机器学习/深度学习 数据采集 搜索推荐
【图像分类】基于主成分分析和核支持向量机的脑磁共振图像分类器(Matlab代码实现)
【图像分类】基于主成分分析和核支持向量机的脑磁共振图像分类器(Matlab代码实现)
106 1
|
3月前
|
机器学习/深度学习 算法 语音技术
【语音分离】通过分析信号的FFT,根据音频使用合适的滤波器进行语音信号分离(Matlab代码实现)
【语音分离】通过分析信号的FFT,根据音频使用合适的滤波器进行语音信号分离(Matlab代码实现)
152 4
|
3月前
|
存储 边缘计算 算法
【太阳能学报EI复现】基于粒子群优化算法的风-水电联合优化运行分析(Matlab代码实现)
【太阳能学报EI复现】基于粒子群优化算法的风-水电联合优化运行分析(Matlab代码实现)
|
4月前
|
编解码 资源调度 算法
【信号处理】时序数据中的稀疏辅助信号去噪和模式识别(Matlab代码实现)
【信号处理】时序数据中的稀疏辅助信号去噪和模式识别(Matlab代码实现)
121 1

热门文章

最新文章