Investigating Inexpensive Devices to Build Conversational Robots One of many interesting challenges of robotics is to build a robot that can easily engage in spoken conversation with humans. We innately use many skills to have a meaningful conversation with a person or a group of people. For example we often use different facial expressions during conversation to convey sarcasm joy sadness or other emotions. We can also recognize familiar voice. It is useful in many cases like finding a friend in a crowd. A robot needs to have these skills to engage in human like conversation. So these conversational robots should be able to analyze the audio and the visual data around it. To make such conversational robots available for everyone its size and cost has to reasonable.
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