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Mencoder // ffmpeg flv file Audio-video sync problem ...
https://forum.videohelp.com/threads/304491-Mencoder-ffmpeg-flv-file-Audio-video-sync-problem
Mencoder - Audio / Video Sync Problem. By krishnareddy in forum Video Conversion Replies: 0 Last Post: 22nd Apr 2009, 00:05. Mux a FLV AVI + MP3 -> FLV with ffmpeg or mencoder? By Colmino in forum Video Conversion Replies: 9 Last Post: 29th Mar 2008, 23:11. QT movie with 2 video tracks to FLV with mencoder or ffmpeg ...
[MPlayer-users] Audio sync problem with mencoder
https://groups.google.com/g/mplayer_users/c/2kb7bEHOMkQ
I've been a happy user of mencoder for many years, mainly for ripping DVDs. Something changed recently and it stopped working: specifically, the audio is no longer in sync with video. I first started having this problem with Ubuntu's binary package a couple of weeks ago; it's still happening with the current binary from Ubuntu 11.10 (version
Mencoder sync problem - VideoHelp Forum
https://forum.videohelp.com/threads/370435-Mencoder-sync-problem
I have a sync problem when I try to burn subtitle movie. Start of the output movie sync is good but end of it audio comes a few second ago than video. I tried wmav1 , wmav2 and mp3 audio codecs in Mencoder .
Audio Video Sync Issues - MediaCoder
https://forum.mediacoderhq.com/viewtopic.php?t=3381
Audio Video Sync Issues. Post by Larva » Fri Jan 18, 2008 3:44 am I'm trying to convert a VOB (MPEG-2) to an H.264 codec in a mp4 container. However, I'm getting audio video sync issues in the converted file that doesn't exist in the original. ... With mencoder one should use -vf harddup when encoding and later muxing with a different program ...
ffmpeg and mencoder slice mp4 video audio out of sync
https://www.linuxquestions.org/questions/linux-software-2/ffmpeg-and-mencoder-slice-mp4-video-audio-out-of-sync-780700/
I am trying to use ffmpeg and mencoder to slice a portion of my video out but the audio is always 2 seconds out of sync. ffmpeg -i bird.avs.MP4 -acodec copy -vcodec copy -ss 00:08:40 -t 00:01:00 test.mp4 mencoder -ss 00:08:40 -endpos 00:01:00 -oac copy -ovc copy bird.avs.MP4 -o test.mp4
7.8. Using MEncoder to create VCD/SVCD/DVD-compliant …
http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-vcd-dvd.html
In order to maintain audio/video synchronization throughout the encode, MEncoder has to drop or duplicate frames. This works rather well when muxing into an AVI file, but is almost guaranteed to fail to maintain A/V sync with other muxers such as MPEG.
[SOLVED]MPlayer audio/video sync issues / Newbie Corner ...
https://bbs.archlinux.org/viewtopic.php?id=119613
For some reason it still lags at the beginning but the audio/video are kept in sync, after 15 minutes the whole thing runs smoothly. RazrFalcon: Maybe I will if I get too frustrated with mplayer, hahaha. kokokok: Um I have the Asus G73jh, HD 5870 ATI, Intel core i7, Eax advance HD 4.0, and using the xf86-video-ati driver.
Notes on video conversion with mencoder - SRCF
http://ssb22.user.srcf.net/s60/video.html
If you get issues due to reconnection near the start of the stream, you may have to edit out a small section of the video. For example if the problem occurs around 64 seconds in, try -mc 0 -noskip -edl <(echo 63 65 0) Flash audio On a GNU/Linux machine with ~/.asoundrc set to pcm.teeraw { type empty slave.pcm "tee:default, '/tmp/out.raw', raw" }
mencoder(1): movie encoder - Linux man page
https://linux.die.net/man/1/mencoder
Negative values delay the audio, and positive values delay the video. Note that this is the exact opposite of the -audio-delay MEncoder option. NOTE: When used with MEncoder, this is not guaranteed to work correctly with -ovc copy; use -audio-delay instead. -ignore-start Ignore the specified starting time for streams in AVI files.
Audio Sync Problems | Page 9 | RedFox Forum
https://forum.redfox.bz/threads/audio-sync-problems.340/page-9
As time permits I'm going to continue digging through their forums. MEncoder has been around for a while so this has probably been answered. Of course there are different audio and video codes in use within MEncoder so we have to determine is the constant sync problem (as opposed to the progressive sync problem) for all or just some combinations.
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