Now, a robotic arm that can take orders in Malayalam

KOZHIKODE: A team of researchers from the computer science department of Calicut University has developed a robot that takes orders in Malayalam. This is the first attempt in using Malayalam in speech recognition technology for robotic navigation.

The robotic arm, developed by the team, can do numerous chores, including lifting objects, turning around, raising and lowering the arm, opening and closing of the gripper - all responding to voice commands in Malayalam.

Lajish V L, assistant professor at the computer science department who led the two-year research in developing Malayalam speech interface, said the development of the robotic arm was a technology demonstrator as part of the broader research into developing a speaker-independent automatic speech recognition platform for Malayalam language.

"Speech recognition technology has made it possible for computers and robots to understand human languages and follow human voice commands but there has not been much research on developing such a platform in Malayalam . This can have extensive use in emerging areas like intelligent call steering, mobile computing and developing voice-controlled interfaces that will help the masses communicate with computers and machines in a natural way in their mother tongue," he said.

The team is using the technology to develop an advanced, speech-enabled interactive voice recognition system (IVRS) for Kozhikode Medical College, which will guide calls to various departments through voicebased self-service transactions. It is also in talks with government authorities to develop an agro advisory system for farmers in Wayanad using the technology.

"We have developed an algorithm that can process simple Malayalam words and are working on introducing more complex activities and sentences to the system and to develop the functionality that makes use of a dialogue system in speech interface," he said, adding that the technology can also be used to develop voice-controlled wheelchairs .

He said the challenge in developing speech database for Malayalam had been the variations in regional dialects. "For the robotic navigation project, we had got every single voice command uttered by 16 different speakers for training the system," he said.

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