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Film sound preservation is different from film image preservation in one very important way: the image on the film is comprised of discrete still images that, when used along with a shutter, simply fool the brain into perceiving smooth motion. However, the audio on the film is continuous and requires continuous movement to properly convey the same level of realism and quality as the picture. This difference between motion picture images and sound can be seen in the above picture of a composite print. Just continuous movement is not enough for good sound, though ... https://www.endpointaudio.com/blog/2017/2/9/sight-vs-sound https://www.endpointaudio.com/endpoint-cylinder-machine https://www.endpointaudio.com/notebook

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