MATLAB播放声音（sound函数）

% 响一声
sound(sin(2*pi*25*(1:4000)/100));

% 鸟声
load chirp
sound(y,Fs)

% 锣声
load gong
sound(y,Fs)

% 哈里路亚
load handel
sound(y,Fs)

% 笑声
load laughter
sound(y,Fs)

% 啪哒声
load splat
sound(y,Fs)

% 火车
load train
sound(y,Fs)

    clear
    fs=44100;
    t=0: 1/fs: 0.5;

    %%%%%backing track%%%%%
    one=0.5*sin(2*pi*261.63*t);
    one=one+0.5*sin(2*pi*329.63*t);
    one=one+0.5*sin(2*pi*466.16*t);
    four=0.5*sin(2*pi*349.23*t);
    four=four+0.5*sin(2*pi*440*t);
    four=four+0.5*sin(2*pi*622.25*t);
    five=0.5*sin(2*pi*392*t);
    five=five+0.5*sin(2*pi*493.88*t);
    five=five+0.5*sin(2*pi*698.46*t);
    bar1=[one one one one];
    bar4=[four four four four];
    bar5=[five five five five];
    backing=[bar1 bar1 bar1 bar1 bar4 bar4 bar1 bar1    bar5 bar4 bar1 bar1];

    %%%%%pentatonic%%%%%
    so=sin(2*pi*196*t);
    la=sin(2*pi*220*t);
    do=sin(2*pi*261.63*t);
    re=sin(2*pi*293.66*t);
    blue=sin(2*pi*311.13*t);
    blk=sin(2*pi*0*t); %blank 

    %%%%%melody%%%%%
    melody=[so so la la do do blue blue blue blk re do do do la blue blue la ...
    la do blue re so la do blk blk re blue do re so la la so la do re blue ...
    blue blue so so la la re blue do];

    %%%%%%%%%%%%%%%
    song=[backing;melody];
    soundsc(song,fs)

%1、代码片段1
[fname,pname]=uigetfile('.wav','选择原始声音文件');
file=[pname,fname];
fs = 8000;
[x,fs] = wavread(file);
sound(x,fs);


%2、代码片段2
[y,Fs,bits] = wavread('jinyong.wav');   %获取音乐数据
ao = analogoutput('winsound');%建立硬件对象
addchannel(ao,[1 2]);    %创建声音输出通道
set(ao,'SampleRate',Fs)  %设置采样率
data1 =y(:,1);    %双声道
data2 =y(:,2);
putdata(ao,[data1 data2]);   %往声卡堆音乐数据
start(ao);   %输出音乐数据
stop(ao)