There are a handful of online shops in india that provides electronics components. Some of them specilizes in robotics components alone, while some specializes in embedded boards, while some others provides all types of components and boards. The prices of the same component varies greatly among different shops, so it is wise to refer as many shops before making a heavy purchase.
The shops are:
Chippu has easily learnt to recognize human speech. It uses Julius for speech recognition as explained in the previous post. The following video shows the speech recognition abilities of chippu.
Speech recognition in Linux is generally considered tough, but it can be done with very good results. Julian is a special version of Julius which performs grammar based speech recognition. The video shows the the speech recognition in action.
As we can see, there occurs no error in the recognition of sentences.
Lately i was busy in the hardware design of a personal robot named Chippu. It is an open source project and runs ROS, the same powerful code framework that runs on many robots like PR2. It is made as economical as possible. At present there is no on-board processing and it is done in a remote computer. But in near future, Chippu will shift to something like a beagleboard.