I'm up for it, after this coming Tuesday On Wed, Oct 4, 2023, 3:29 PM Vincent Brown <vincent.anthony.br...@gmail.com> wrote:
> Would any of you guys that are experienced at editing video & sound in > Linux consider doing some demos for an upcoming meeting. Doesn't > necessarily have to be next week's meeting. This would make a great topic! > > On Tuesday, September 19, 2023 at 9:49:52 PM UTC-5 helpwit...@gmail.com > wrote: > >> This is if you happen to know how far off the audio is from the video in >> this case 3840 milliseconds or 3.84 seconds >> >> >> *ffmpeg -i "movie.mp4" -itsoffset 3.84 -i "movie.mp4" -map 1:v -map 0:a -c >> copy "movie-video-delayed.mp4"*Found this here: >> https://superuser.com/questions/982342/in-ffmpeg-how-to-delay-only-the-audio-of-a-mp4-video-without-converting-the-au >> >> The hard part is knowing how far out of sync the audio is from the video, >> but it's a quick change of the command line to experiment. >> >> I generally like to avoid re-encoding the video as Gibson mentioned. >> Assuming you're not doing cinematography, a re-encode may give you more >> options. >> >> >> On Tue, Sep 19, 2023 at 9:32 PM Michael L <helpwit...@gmail.com> wrote: >> >>> I do video editing as part of my job. >>> Suggestion #1: The Shotcut video editor allows you to separate the >>> audio from video and add audio delay by moving the audio down the timeline >>> from the video by 1 frame at a time or more. That's a tough and >>> potentially time consuming way to get it exact, but maybe you can fix it >>> that way and re render / export the file. >>> >>> I'll search for another way with FFMPEG and let you know if I find it .. >>> along with other info. >>> >>> On Tue, Sep 19, 2023 at 6:35 PM Curt Lundgren <veri...@gmail.com> wrote: >>> >>>> My brother sent me an MP4 file, about 900 MB, where the audio is at >>>> least a second ahead of video. I'd like to process the file so lip sync is >>>> proper, but my search engine fu is coming up short. ffmpeg seems like it >>>> would have the capability, but I haven't found a clue in the documentation >>>> or the man page. >>>> >>>> The video does not need to be changed in any way, but if possible, I'd >>>> like to boost the audio gain by as much as 10 db. >>>> >>>> I'd prefer to do this on a Linux machine, something running from >>>> command line would be ideal. Does anyone have a clue how this can be >>>> accomplished? >>>> >>>> Thanks >>>> Curt Lundgren >>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "NLUG" group. >>>> To post to this group, send email to nlug...@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> nlug-talk+...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/group/nlug-talk?hl=en >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "NLUG" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to nlug-talk+...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/nlug-talk/CADPPtrp%3Dqnd%3DzFSQXAxjNfPQfZALp1RaXve0tpgt0fCsVTxhiA%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/nlug-talk/CADPPtrp%3Dqnd%3DzFSQXAxjNfPQfZALp1RaXve0tpgt0fCsVTxhiA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to nlug-talk@googlegroups.com > To unsubscribe from this group, send email to > nlug-talk+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nlug-talk+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nlug-talk/52485163-e399-49c9-8dca-631eb7a8f95an%40googlegroups.com > <https://groups.google.com/d/msgid/nlug-talk/52485163-e399-49c9-8dca-631eb7a8f95an%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to nlug-talk@googlegroups.com To unsubscribe from this group, send email to nlug-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to nlug-talk+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/nlug-talk/CALdmzXbJ6YMDVmVx%3DEvTROyZKsS%3DsZdUd9O82B3qs3JYsFmPdw%40mail.gmail.com.
