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Sound-on-film is a class of sound film processes where the sound accompanying a picture is recorded on photographic film, usually, but not always, the same strip of film carrying the picture. Sound-on-film processes can either record an analog sound track or digital sound track, and may record the signal either optically or magnetically ...
Phonofilm is an optical sound-on-film system developed by inventors Lee de Forest and Theodore Case in the early 1920s. In 1919 and 1920, de Forest, inventor of the audion tube, filed his first patents on a sound-on-film process, DeForest Phonofilm, which recorded sound directly onto film as parallel lines. These parallel lines photographically ...
Graphical sound or drawn sound (Fr. son dessiné, Ger. graphische Tonerzeugung,; It. suono disegnato) is a sound recording created from images drawn directly onto film or paper that were then played back using a sound system.
Western Electric engineer E. B. Craft (on the left) demonstrating Vitaphone sound-on-disc film system. Sound-on-disc is a class of sound film processes using a phonograph or other disc to record or play back sound in sync with a motion picture. Early sound-on-disc systems used a mechanical interlock with the movie projector, while more recent ...
A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film. The first known public exhibition of projected sound films took place in Paris in 1900, but decades passed before sound motion pictures became commercially practical.
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A vocal warm-up is a series of exercises meant to prepare the voice for singing, acting, or other use. Vocal warm-ups are essential exercises for singers to enhance vocal performance and reduce the sense of effort required for singing. Research demonstrates that engaging in vocal warm-ups can temporarily elevate vocal effort, which normalizes ...
After the baking soda has been sitting on the mattress for at least 30 minutes, use a vacuum to remove the baking soda. You’ll want to ensure your vacuum can pick up those tiny particles, so ...