Encoding the signal with 16 bits

I have a sound wave

I have a code

[f,Fs] = wavread('wolf.wav');

sound(f, Fs);

please tell how to encode the soundwave by 16 bits

Answer 1

[Wayne King]

Have you tried using the 'native' option when you read the data.

     [f,Fs] = wavread('wolf.wav','native');
     class(f)

[Pat]

Thanks Wayne i Tried

[y, fs, nbits]=wavread('wolf.wav');

 y0=y*(2^nbits/2)+(2^nbits/2);

but i get class as double ,can u tell where i made mistake plz

[Wayne King]

Did you try using the 'native' option as I suggested? See my example.

[Pat]

As per your code the class is int16

[f,Fs] = wavread('wolf.wav','native');

class(f)

i tried by

[f1,Fs1] = wavread('wolf.wav');

y0=f1*32768 ,i get the same values

the minimum and maximum values are same for y0 and f

but the class is different ,i get class as double

i tried this code because i need for 14bit also ,

please help

[Walter Roberson]

y0 = int16(f1 * 32768);

[Pat]

Thanks walter,for decomposing a soundwave wave by dwt haar wavelet i tried

[c,l] = wavedec(f,1,'Haar');f is my sound signal,is it correct

[Walter Roberson]

I am not familiar with the wavelet functions.

[Pat]

ok walter Thanks