who
ver
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MATLAB Version: 9.2.0.556344 (R2017a)
MATLAB License Number: 1560
Operating System: Microsoft Windows 7 Enterprise  Version 6.1 (Build 7601: Service Pack 1)
Java Version: Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
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MATLAB                                                Version 9.2         (R2017a)          
Simulink                                              Version 8.9         (R2017a)          
Bioinformatics Toolbox                                Version 4.8         (R2017a)          
Control System Toolbox                                Version 10.2        (R2017a)          
Embedded Coder                                        Version 6.12        (R2017a)          
Financial Toolbox                                     Version 5.9         (R2017a)          
Fuzzy Logic Toolbox                                   Version 2.2.25      (R2017a)          
Global Optimization Toolbox                           Version 3.4.2       (R2017a)          
Image Processing Toolbox                              Version 10.0        (R2017a)          
MATLAB Coder                                          Version 3.3         (R2017a)          
MATLAB Compiler                                       Version 6.4         (R2017a)          
NAG Toolbox                                           Version 25          Release 1 (64 bit)
Neural Network Toolbox                                Version 10.0        (R2017a)          
OPC Toolbox                                           Version 4.0.3       (R2017a)          
Optimization Toolbox                                  Version 7.6         (R2017a)          
Parallel Computing Toolbox                            Version 6.10        (R2017a)          
Partial Differential Equation Toolbox                 Version 2.4         (R2017a)          
Robust Control Toolbox                                Version 6.3         (R2017a)          
Signal Processing Toolbox                             Version 7.4         (R2017a)          
Simulink 3D Animation                                 Version 7.7         (R2017a)          
Simulink Coder                                        Version 8.12        (R2017a)          
Simulink Control Design                               Version 4.5         (R2017a)          
Statistics and Machine Learning Toolbox               Version 11.1        (R2017a)          
Symbolic Math Toolbox                                 Version 7.2         (R2017a)          
System Identification Toolbox                         Version 9.6         (R2017a)          
Wavelet Toolbox                                       Version 4.18        (R2017a)          
help sound
 <strong>sound</strong> Play vector as sound.
    <strong>sound</strong>(Y,FS) sends the signal in vector Y (with sample frequency
    FS) out to the speaker on platforms that support sound. Values in
    Y are assumed to be in the range -1.0 <= y <= 1.0. Values outside
    that range are clipped.  Stereo sounds are played, on platforms
    that support it, when Y is an N-by-2 matrix.
 
    <strong>sound</strong>(Y) plays the sound at the default sample rate of 8192 Hz.
 
    <strong>sound</strong>(Y,FS,BITS) plays the sound using BITS bits/sample if
    possible.  Most platforms support BITS=8 or 16.
 
    Example:
      load handel
      sound(y,Fs)
    You should hear a snippet of Handel's Hallelujah Chorus.
 
    See also <a href="matlab:help soundsc">soundsc</a>, <a href="matlab:help audioplayer">audioplayer</a>.

    <a href="matlab:doc sound">Reference page for sound</a>

doc sound
doc sound
t=0:1/1600:5; y=sin(2*pi*( 200+t.^2)*t); sound(y,16000)
{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('mtimes')" style="font-weight:bold"> * </a>
Inner matrix dimensions must agree.
} 
t=0:1/1600:5; y=sin(2*pi*( 200+t.^2)*t); sound(y,1600)
{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('mtimes')" style="font-weight:bold"> * </a>
Inner matrix dimensions must agree.
} 
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
t=0:(1/1600):5; y=sin(2*pi*( 200+t.^2).*t); sound(y,1600)
plot(t,y)
plot(y(1:100)
 plot(y(1:100)
              
{Error: Expression or statement is incorrect--possibly unbalanced (, {, or
[.
} 
plot(y(1:100))
plot(y(1:800)
 plot(y(1:800)
              
{Error: Expression or statement is incorrect--possibly unbalanced (, {, or
[.
} 
plot(y(1:800))