avisync (1) - Linux Manuals
avisync: adjust audio synchronisation
NAME
avisync - adjust audio synchronisationSYNOPSIS
avisync [ -o file -i file -q -n num -b num -a track -f commentfile ]COPYRIGHT
avisync is Copyright (C) by Thomas Oestreich.DESCRIPTION
avisync shift audio on frame basis.OPTIONS
- -o name
- Specify the name of the output file.
- -i file
- Specify the name of the input file.
- -q
- be less verbose.
- -n count
- shift audio by count frames. If count is positive, audio starts with audio frame count at the beginning of the AVI-file. If count is negative, audio is prepended count padding frames.
- -a track
- Specify the number of the audio channel to shift.
- -b num
- Specify if avisync should write an VBR mp3 header into the AVI file. Default is 1 because it does not hurt. num is either 1 or 0.
- -f commentfile
- Read AVI tombstone data for header comments from commentfile. See /docs/avi_comments.txt for a sample.
EXAMPLES
The commandavisync -i my_file1.avi -o out.avi -n -10
puts 10 audio frames at the beginning of the AVI-file.
E.g. if the audio is delayed about 200 ms (0.2 seconds) and you're working with a 25 frames per second AVI-File, you need to shift the audio 200/40 = 5 frames since one frame is 40 ms long.
AUTHORS
avisync was written by Thomas Oestreich<ostreich [at] theorie.physik.uni-goettingen.de> with contributions from many others. See AUTHORS for details.
SEE ALSO
aviindex(1), avifix(1), avimerge(1), avisplit(1), tccat(1), tcdecode(1), tcdemux(1), tcextract(1), tcprobe(1), tcscan(1), transcode(1)