Why do some movie remasters replace the original sound effects with new ones?

Why do some movie remasters replace the original sound effects with new ones? - Young woman watching movie in headphones in messy room

Why do some movie remasters (and I wonder if there are TV shows remastered this way too) replace the original sound effects with new ones?

For instance some movies edit the gun sounds in the original master to digital gun sounds which sometimes sound stronger.

The Godfather did this. I think they do it with THX or something.



Best Answer

Remastering a video is done by getting the original analog film and scanning it in at least 2K resolution, but most often in 4K, sometimes in 8K. A new digital scan in such high quality is later edited to remove any damages done to the analog film, with some color restoration and correction also added in the process. This can only be done to an analog film. The audio is recorded on some other storage device or printed on the analog film. But this means that the waveform is saved as it was recorded originally. And such waveform cannot be scanned to be in higher quality, you can only add some noise reduction or make it louder or quieter. This means, if you have a low-quality gun sound, the only way to make it sound better, is to replace it with a newly recorded one.




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Why do guns in old movies sound different?

Hollywood has an entire plethora of sound effects in its library that they use for various movies, because squib (blank) firing guns don't sound well in the editing. In some cases new sounds are added to make the guns sound better. It's cheaper than good recording of new weapons.

Is remastered movie better than original?

When movies are remastered, how can they make it look any better than the original? Remastering often means scanning the film at current high resolution, so it almost always looks better. Technology has changed so much in the last 20 years that even silent films look fantastic when remastered.

Why are sound effects often created edited or performed rather than simply recorded?

It is simply too expensive to have the entire camera, lighting, grip, etc. crews standing around just to get the sound recording perfect. And even if you could, getting the various sounds (dialog, ambient sounds, sound effects, etc, etc. etc.)

What happens when a movie is remastered?

Remaster refers to changing the quality of the sound or of the image, or both, of previously created recordings, either audiophonic, cinematic, or videographic. The terms digital remastering and digitally remastered are also used.



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