For the scenes when we can hear Jack typing but we cannot see what he is typing, Stanley Kubrick recorded the sound of a typist actually typing the words “All work and no play makes Jack a dull boy”. Some people argue that each key on a typewriter sounds slightly different, and Kubrick wanted to ensure authenticity, so he insisted that the actual words be typed.
Zoom Info

For the scenes when we can hear Jack typing but we cannot see what he is typing, Stanley Kubrick recorded the sound of a typist actually typing the words “All work and no play makes Jack a dull boy”. Some people argue that each key on a typewriter sounds slightly different, and Kubrick wanted to ensure authenticity, so he insisted that the actual words be typed.
Zoom Info

For the scenes when we can hear Jack typing but we cannot see what he is typing, Stanley Kubrick recorded the sound of a typist actually typing the words “All work and no play makes Jack a dull boy”. Some people argue that each key on a typewriter sounds slightly different, and Kubrick wanted to ensure authenticity, so he insisted that the actual words be typed.