silent speed meaning in Hindi

Examples

1. Most of the film was shot at " silent speed ", 18 frames per second, which when projected at " sound speed ", 24 frames per second, made the slapstick action appear even more frenetic.
2. For example, Charlie Chaplin's " Modern Times " was shot at " silent speed " ( 18 fps ) but projected at " sound speed " ( 24 fps ), which makes the slapstick action appear even more frenetic.