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
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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。
