about producing clear carrier signal

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Hari Ijjada
Hari Ijjada 2019-10-1
carrier_Fs=24e3;
Carrier_Fc=10e3;
no of samples: 240000..i have taken no samples for carrier signal becuase input signal is a audio signal which have 240000 samples..
while trying get the cosine wave using cos equation ..i am not getting the clear cos wave...i am getting distorted wave...
carrier=int32(Ac*32767*cos(2*pi*Fc*t/Fs));
here t value variese from 1:240000. and i am changing the double values into integer values...i don't think that conversion effects the wave form...

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