I have a signal that contains the speaking of three vowels. The signal is contaminated with dc offset and an interference at 60 Hz. I want to perform LPC for the synthesis of the spoken vowels. Do I have to remove the dc offset and the interference before performing LPC?
My initial signal looks like this:
There is also another question of mine about LPC here https://stackoverflow.com/questions/28909899/weird-output-of-lpc-algorithm