General guidelines
Caption frames within files intended for the import service should conform to a maximum of 32 characters per line and a maximum of 2 lines per frame. Please see examples below of caption files that are supported by the 3Play Media Caption Imports process. If you have files that do not conform to these standards, please contact your account manager to inquire about support for your caption library. We may be able to help!
Supported formats and format guidelines
Please note that closed captions that do not conform to following guidelines will not be able to be successfully imported.
Files that cannot be imported successfully will not count against the project's monthly usage.
The import service supports the following formats:
SRT SBV VTT SCC
If you would like to import a different format, please contact your account manager first.
SRT
SRT files should have consecutive frame number to start each frame, timestamps that are separated by a two-hash arrow (“-->”), and a space between frames.
1
00:00:00,000 --> 00:00:04,440
These are caption frames
from a sample file.
2
00:00:04,440 --> 00:00:06,570
They're timed well and
spelled wonderfully.
3
00:00:06,570 --> 00:00:08,540
Plus, it's rather short,
so examples are concise!
WebVTT
WebVTT is similar to SRT, though the format does support additional information such as frame placement.
1
00:00:00.000 --> 00:00:04.440 align:middle line:90%
These are caption frames
from a sample file.
2
00:00:04.440 --> 00:00:06.570 align:middle line:90%
They're timed well and
spelled wonderfully.
3
00:00:06.570 --> 00:00:08.540 align:middle line:90%
Plus, it's rather short,
so examples are concise!
SBV
SBV is also similar to SRT. Timestamps are separated by a comma.
00:00:00.000,00:00:04.440
These are caption frames
from a sample file.
00:00:04.440,00:00:06.570
They're timed well and
spelled wonderfully.
00:00:06.570,00:00:08.540
Plus, it's rather short,
so examples are concise!
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