AN HOIMDL SPRING 2014

D-RexSpeech Recognition System

Inspiration

Robot PetAct more like a real pet

Can be train Respond to command

How to do it? Voice command Vision

The System

Raspberry Pi

Pocketsphinx

Soundcard

Microphone

OpenCV

Camera

Microcontroller

Servos Motors

Pocketsphinx

Record

Write to .wav

Read .wav

Processing

What word is

it?

Send command to micro-controller

Run on a loopExecute a

command and then return to listening

Check against a small custom dictionary Speed up processing

time

Development

Current status: Understand command Using wired microphone with a USB sound card Recording 2 seconds and then process

Gap time in between

Goal: Switch to Bluetooth Reduce gap between process Check against noise