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Audio is out of sync with Avconv - Ask Ubuntu
https://askubuntu.com/questions/381663/audio-is-out-of-sync-with-avconv
avconv audio-sync. Share. Improve this question. Follow edited Nov 25 '13 at 9:31. Gilles 'SO- stop being evil' 55.6k 15 15 gold badges 122 122 silver badges 152 152 bronze badges. asked Nov 24 '13 at 18:11. Kranium31 Kranium31. 11 1 1 bronze badge. Add a comment | 1 Answer Active Oldest Votes. 0 ...
sound - avconv/ffmpeg - audio slowly drifts out of sync ...
https://askubuntu.com/questions/543684/avconv-ffmpeg-audio-slowly-drifts-out-of-sync-original-is-in-sync
After removal, the finshed file has synced audio at the start, but by the end (an hour or two later), it can be as much as 3 to 5 seconds off, it's a gradual drift. Here's some of the options I've tried: avconv -i inputvideo.dv -codec copy -ss 00:00:00 -t 1:37:35 output.dv
avconv screen recording to FLV, audio drifts out of sync
https://sound.stackexchange.com/questions/23882/avconv-screen-recording-to-flv-audio-drifts-out-of-sync
Locally, the audio and video are in perfect sync. The script I'm using to run avconv is: #!/bin/bash INRES="850x480" # input resolution OUTRES="850x480" SCREENPOS="+3160,200" #X, Y offset to grab on screen FPS="12" # target FPS BITRATE="-b 192k" STREAM_KEY="secret-stream-key" if [ "$1" = "live" ]; then # output to live stream and to local file FILE="/home/rena/video/live/live-`date …
avconv • man page
https://helpmanual.io/man1/avconv/
Audio sync method. ``Stretches/squeezes'' the audio stream to match the timestamps, the parameter is the maximum samples per second by which the audio is changed. -async 1 is a special case where only the start of the audio stream is corrected without any later correction. Note that the timestamps may be further modified by the muxer, after this.
how to sync audio and video when streaming with avconv
https://www.linuxquestions.org/questions/linux-networking-3/how-to-sync-audio-and-video-when-streaming-with-avconv-4175471697/
how to sync audio and video when streaming with avconv I have the following script for streaming a video of my screen with the sound from my mic to twitch.tv (I'd like to be able to select only as well as mix volume levels but maybe that should be a different question),
how to merge two audio input source using avconv - Unix ...
https://unix.stackexchange.com/questions/60980/how-to-merge-two-audio-input-source-using-avconv
Any time you merge separate files without timing info, there is no explicit synchronisation and so results may vary. If the files are in sync to start with then they should stay roughly in sync; if the microphone audio starts at different time to the screen capture then you may need to …
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