The technology did not yet exist for sound.
Silent Pictures
First silent movies had no sound, but tv had always sound from the start.
Silent Movies were called 'Silents', or Golden Silents, because they were (silent). One famous example of a Silent is The Sheik (1921), starring Rudolph Valentino as Ahmed Ben Hassan, by Paramount Pictures. FYI... • The 1920s were known as The Silent Era. • Sound was not introduced into movies until 1923. • Talkies (movies with sound) replaced Silents in 1930.
Silent movies were made because the technology at the time did not allow for synchronized sound with the moving pictures. The invention of the phonograph in the late 19th century paved the way for sound synchronization in movies, leading to the decline of silent films by the late 1920s.
Because movies with sound hadn't been invented yet.
silent films.
TV always came with sound. There was never a "silent" TV. In fact by 1928 movies had sound.
Early movies, known as silent films, did not have sound, they consisted only of moving pictures. When movies began to be made with sound, the art of the motion picture entered the sound era.
From black and white to colour From silent movies to with sound
You might want to investigate the introduction of sound to what were at the time silent movies. Silent Films would be shown at the movie theater, and were often accompanied by an on-site piano or organ. I believe sound was added to movies during the 1920's and are refered to as "talkies".
Silent Movies were popular because they were the only kind of movies until the late 20's when synchronized sound became mainstream.
Thomas edison made the first motion camera silent and added sound to it later