![]() ![]() Personally if I want to adjust the audio sync I open the video using MPC-HC and use the + and - keys on the numeric keypad while the video is playing. Generally you'd type in the time where you want the video to be split (or a little before) and it'll be split on the next keyframe. VirtualDubMod will, but programs designed to remux video won't give you a preview as they're not designed to be editors, but they will split video. You'd just click on the audio stream, enter the correct delay and save the output as an MKV.Ĭutting the video can be done easily without re-converting too, as long as you cut on keyframes. MKVMerge will open AVIs, MP4s, MKVs etc and resave them as MKVs. Yamb is an example of an MP4 muxing program, MKVMergeGUI for MKVs. VirtualDubMod will obviously do it for AVIs (with direct stream copy selected as the video mode). ![]() Usually, you'd try to fix audio sync errors without re-converting either the audio or video, simply by remuxing it into a new file. Mostly, you don't know if there's going to be sync issues till the conversion process is complete, which makes it hard to adjust the audio delay accordingly before you convert. Some video converters do let you specify an audio delay, but generally they work out the audio delay used in the source file and apply it when converting. Handbrake (but for me it's missing a few basic requirements - simple splitting to all chapters, trimming of output files, input preview etc.) To give you an idea of what I'm looking for, I like :-ĪVS Video Converter (but that currently has a bug that adds a green tinge to most output)Īimersoft Video Converter Ultimate (but that has its own audio sync problems) Please Please Please can someone recommend a nice converter/splitter/editor/ripper that alos has this audio sync correction in it. ![]() I am very surprised that this function is not in every converter/editor because it would be very useful and I believe not difficult to implement.Ī lot of my encodes from years ago have sync errors due to the buggy and flakey conversion and ripping software that used to be around at the time. None of the conversion/splitting/editing tools that I use at the moment have an option to quickly and simply adjust the audio delay my an amount in ms. When doing so, I frequently find that the audio is slightly out of sync (perhaps 100ms one way or the other). I have 1000's of single song music videos, and frequently need to edit them to remove intro's, long endings etc. There may be more, but I had trouble narrowing the search. We’ll take a separate look at the ways to fix TV sound desync.I've done a few searches here, and only found VirtualDubMod that sounds even close to what I'm looking for. But if you only need to sync up video files, then that can be done in a media player.įinally, audio (or video) delay can appear in an HD-home-cinema kind of setup, due to the sheer volume of data that UHD and lossless sound require. If you need to eliminate sound delay in games or streamed media, wired headphones or speakers are the only way. It’s getting smaller on newer devices, but it’s not perfect yet. Compression and decompression create a noticeable delay. But its bandwidth is narrow, less than a cable, so it requires audio to be compressed. Bluetooth is about as fast as cables, which is why it works without delay for keyboards, mice, and gamepads. Also, sometimes video and audio tracks have different durations and play at different speeds, which makes perfect sync impossible, especially when the media is one or more hours long.īluetooth audio hardware is another possible desync source. Obviously, it’s not as easy when you’re viewing a desynchronized stream on the internet. ![]() This can be fixed in most modern media players by adjusting the audio delay. In this case, the creator of the video didn’t bother to synchronize the tracks. Generally, ways to synchronize audio and video are the same for all for them, but it’s useful knowledge either way.įirst of all, it could be a problem with the video you’re watching. There are three common causes for audio sync problems. ![]()
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