I am also having a sound desync issue over time as displayed here :. Try converting it to your native edit codec using Apple Compressor or Quicktime Player export. This issue can occur for a variety of reasons, and in some cases, it may be impossible in the video encoder to properly encode the video without engineering resources. Thank you for the info! I am glad to report that this also did the trick for me. The shifting showed up in avidemux after you stop the player and restart it in avidemux. After installation, open the application, and then import your video clip by clicking the Open a si ngle video file.
Then, most importantly, you need to switch the settings underneath from Peak Framerate to Constant Framerate. I used mkvtoolnix, selected the audio track, inserted the stretch factor into the stretch by field which was greater than one , clicked Start muxing. Their configuration will need extra information. I'll test out the audio option tomorrow. Capturing to the external drive at 7200 solved the problem. Try running a test stream without and see if the audio buffering happens again. On there, click on the recording tab.
The sound starts arriving about a second after it should do and gets increasingly delayed. When I save the file, it always come out out of sync, though the audio is a little faster than the original file, but out of sync nevertheless, even though it was perfect on the playback. Mplayer plays it perfectly, without lip-sink delay. I have an interesting problem: When I stream to Twitch or record , my desktop audio goes out of sync with the video over time. Over the course of a 3 hour stream, it progressively gets worse to the point of 1.
Maybe some adjustment here would get the audio and video back in sync. Select Mkv Muxer as Output format before saving. Then on the menu I chose save, named it and avidemux made a new copy. And then after you have all the audio synced and working perfectly, take more screenshots, so that you never forget what you did and what you had set. If I fast forward, they can get out of sync, and if I rewind a bit, frequently that clears up the problem.
At least that's good to know I'm not alone. Because we delayed all global audio. If it does, then try playing the file with another application. Hence why hardware acceleration and asynchronous sending have nothing to do with the desync. However, in my experience, the usual range is 200 milliseconds to 2000 milliseconds 2 seconds.
Thank you: Lots of comments but for anyone coming across this one… this is what I did on Linux. Test recording allows you to actually see what your viewers will see when they pop into your channel. I can fix this problem after the recording laboriously , but I want to have the recording work properly in the first place. Variable Frame Rates Video games, unlike films, can play at a variety of different frame rates during a single sequence. Is there anything I can do to help get this fixed? Thanks for contributing an answer to Video Production Stack Exchange! How do I know this? Unfortunately this issue remains a big thorn in my side, since I keep accumulating desync over the course of a stream even with the new experimental method. Your explanation on how to sync the audio is excellent. When you said jump, make sure your character is jumping at that exact moment.
The stretch factor is the amount that you adjust one of the tracks to match the duration of another. A common issue with video encoding involves the video and audio going out of sync. Then also counting down and shooting your weapon in game amd saying shoot on video to sync the audio with the video. Have a question about this project? Does the lip sync gets worsened as the playback progress or is it a constant delay? Have a question about this project? More info: The file was on 24mins at 1. Many factors determine how long this can take, anywhere from a few seconds to 20 or more seconds.
Stream Delay can be really useful if you are streaming something that you do not want your viewers to see live, such as a multiplayer video game to prevent stream sniping. This is still unreleased and I expected to get some feedback on this new method. Improved and streamlined Settings panel for quickly configuring your broadcasts and recordings. There's got to be someway to fix it cause it's extremely annoying to have to scrub through my video and resync it. This does not seem to impact the performance. So the two webcams, razer ripsaw and both.
Also, why do I seem to keep generating Audio desync when streaming over a period of time with the new build on the new default method? It simply wouldn't work for me. Quality Resolution Video Bitrate Audio Bitrate Audio Sample Rate Frames Per Second Video Codec h. When you are all done, you are ready to live stream. I've been running 2 hour tests trying to fix it. The delay was added 3 times in the first 20-30 minutes of the stream.
It also seems like the new Local sync method results in way less desync that the previous method. So I could record a 4th audio track with all my other tracks in it and use that to sync it back up? I can confirm, this is still happening, and it's really killing my streams. My driver is version 17. Basically no matter the combination of use buffer, then in advanced I've tried combinations of raising the scene buffer to 700, setting mic fix, using mic timestamps, and I've also tried force desktop audio to use video timestamps for mic. Is there a setting i need to access to set it right.