we have only 2months b4 passing our final project,our topic is a voice recgnition robot,i have read a lot of topics here regarding the topic. but still confused. in our project we need to install a camera in the bot and a microphone in controling it in a distance,may advisers says we need to use a DSP. we are confused about what DSP to use.also we are using a microcontroller arduino.,.what DSP we will use?or anything alternative in mkng the project.