Inverse Haar wave let transform

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kash 2012-11-10

I have applied dwt2 transform for a sound signal

y = DWT2(f, 100, 1),

%scalins

y0 = bitand( typecast(int16(y),'uint16'), 2^15-1 )

now i have to appply inverse wavelet transform ,please help

and have to apply reverse scaling for tat out put,please provide assistance

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