I am making TalkingTomcat like app. I am recording voice using android audio recorder and using libsonic I am playing sound by changing pitch. but during playing sound it give a lot of noise.
Even i am playing sound sample using audio track then also it give noice.
I am using 44100 sample rate and MONO and 16 bits.

If anyone can help me please help me. Or give me another way to achieve this.