Convert SUB_MICRODVD Subtitles to LRC Format
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About SUB_MICRODVD
MicroDVD is a frame-based subtitle format, which means its timings are based on video frame numbers rather than timestamps. For example, a line might be defined to appear from frame 1000 to frame 1050. This can be very precise, but it also means the subtitle file is tied to a specific video file with a specific frame rate. If the frame rate changes, the subtitle timing will be incorrect.
About LRC
LRC is a format designed to display synchronized lyrics for audio files, most commonly used by music players and karaoke software. The format is a simple text file with a timestamp at the beginning of each line of lyrics. As the audio plays, the player displays the line of text that corresponds to the current time, creating a simple but effective karaoke-style experience.
SUB_MICRODVD vs LRC
| Feature | SUB_MICRODVD | LRC |
|---|---|---|
| Styling Support | false | false |
| Positioning Support | false | false |
| Animation Support | false | false |
| Learning Curve | intermediate | beginner |
| Quality Rating | 2 | 3 |
| Patent Status | freeware | open format |
| Year Introduced | 1999 | 1999 |
Frequently Asked Questions
Why use frame numbers instead of time?
Frame-based timing can be very useful for video editors who work on a frame-by-frame basis. However, for general distribution and playback, time-based formats like SRT are much more flexible and reliable, as they are not dependent on the video's frame rate.
What happens if I use a MicroDVD file with the wrong frame rate video?
The subtitles will go out of sync. For example, if the subtitle file was created for a 25 fps video, but you play it with a 29.97 fps video, the subtitles will appear progressively earlier or later as the video plays.
Can I use LRC files for video subtitles?
LRC is not suitable for video subtitles. It only has a start timestamp for each line and no end time, meaning the text would remain on screen until the next line appears. It's specifically designed for the line-by-line nature of song lyrics and lacks the features needed for proper dialogue subtitling.
What is the difference between simple and enhanced LRC?
Simple LRC format provides a timestamp for each line. Enhanced LRC format adds the ability to have timestamps for each word within a line, allowing for a more precise word-by-word highlighting effect in karaoke applications.
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