incorrect. movies are streams of multiple layers of content.
video
environment audio
effects audio
vocal audio
environment audio are things in the background like cars, birds, children playing.
effects audio are sound effects like breaking glass, car crashes, explosions.
vocal audio is just that, the dialog between characters.
streams MUX these together into a playable movie on the fly and is how it’s possible for them to use the same movie with different language dubs.
it’s completely in the realm of possibility for them to create a control to manage the volume of each of these layers before muxing. that would break their caching strategy though.
physical media like Bluray should be able to do it though. BD players never implemented such a feature that I am aware of.
![Volume [Mr Lovenstein]](https://files.mastodon.social/media_attachments/files/114/579/944/976/646/219/original/e93a9a49d1ddc0df.png){kind=link}
incorrect. movies are streams of multiple layers of content.
environment audio are things in the background like cars, birds, children playing.
effects audio are sound effects like breaking glass, car crashes, explosions.
vocal audio is just that, the dialog between characters.
streams MUX these together into a playable movie on the fly and is how it’s possible for them to use the same movie with different language dubs.
it’s completely in the realm of possibility for them to create a control to manage the volume of each of these layers before muxing. that would break their caching strategy though.
physical media like Bluray should be able to do it though. BD players never implemented such a feature that I am aware of.