I'm asking this as a meditation, because I don't expect any Perl (or other) code for that.
Questions:
- Is it possible to filter speech frequencies in a video with significant accuracy to identify the passages were people talk?
- Can the resulting pattern be used to synchronize a subtitle file, to match the gaps?
Background:
I'm often downloading foreign language movies and like to see them with original voice and subtitles to practice and learn vocabulary, but am often obliged to download and adjust the subtitles timing, because
- they are shifted, because of trailers or of "what happened last time" intros
- they are stretched, because of different frame rates
- they need readjustment in the middle because scenes were cut out
That is, if the parameters are known. But finding them can be tricky.
FWIW: VLC offers an option for such synchros, but tends to freeze for a minute if the shift is in the area of 20 secs. No fun when trying out the best settings.
Cheers Rolf
(addicted to the 𐍀𐌴𐍂𐌻 Programming Language :)
Wikisyntax for the Monastery
|
---|
Replies are listed 'Best First'. | |
---|---|
Re: Adjust synchronizations of video and subtitles automatically by temporal distribution
by afoken (Chancellor) on Jan 31, 2023 at 08:48 UTC | |
by cavac (Parson) on Feb 02, 2023 at 14:39 UTC | |
by LanX (Saint) on Feb 01, 2023 at 01:25 UTC | |
Re: Adjust synchronizations of video and subtitles automatically by temporal distribution
by bliako (Monsignor) on Jan 31, 2023 at 08:49 UTC |
Back to
Meditations