We cannot make any mistakes whatsoever and we have to voice out everything including pointing out what is inside brackets and what is not. 'I was reading Kannada textbooks and I had to be very careful. The recording sessions began in July with Naresh tasked with voicing a Kannada textbook. His studio in Indiranagar is used for recording the audio of the textbooks. The group managed to rope in popular singer-composer Raghu Dixit to the project.

We are looking to do both kinds of recordings in the future,' says Harish. 'By manually recording the contents of the textbooks, you can add the human touch that was missing in the previous automated version. In June, the group launched a new drive to manually record the contents of a Kannada textbook to be used by visually challenged students. Then the text is proofread and the text is edited, modified, and then using text-to-speech technology, we get an audio version of the book,' explains Harish Narsimha, a project coordinator at Kannada Pustaka. The accuracy is around 60-70% in this step. 'The process begins with scanning the textbook and converting it into unicode text. The not-for-profit group was started in 2015 by Indian Institute of Science (IISc) graduate Rakesh Tewari, and has created a digital library of textbooks by making use of Optical Character Recognition (OCR) to scan textbooks.

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