New Delhi, Sept. 11 -- In 2019, Mehul Agarwal would do stand-up comedies when he was studying computer science at Carnegie Mellon University (CMU) in Pittsburgh, Pennsylvania. Agarwal would think of converting his stand-up jokes into a film without having to bear the production costs.

On 9 September, Agarwal announced the beta of Koyal, the audio-to-video filmmaking platform, on his LinkedIn. Koyal is the fastest and the best way to go from your audio to cinematic video with consistent characters, settings and storylines, Mehul and his sister and co-founder Gauri Agarwal told LiveMint in an interview.

"It's perfect for anyone with a lot of audio - musicians, podcasters, or storytellers of any kind. Turn your music to music videos, podca...