Yes, arduino should be able to do all that except for the audio, to which I don't quite know the answer. Could you just strap a two way radio on the robot? Don't you want suggestions on sensors? The robot can't be blind muscles, right? I suggest ping sonic ranger and an IR distance sensor.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16