Hi everyone,
Here's the issue I have for some days now:
I want to encode in mp4s DVDs I ripped, and all of them end up after the encoding process with a specific audio delay. Delay which I want to get rid of eventually.
Here's the steps I follow:
- I rip the DVD using AnyDVD (7.1.3.0),
- I get the classic VIDEO_TS folder in which I find the .vob files I use for encoding
- I encode using AVIDEMUX 2.5.6 (2-pass encoding, no delay option ticked, same output) ; H264/AAC codecs in a mp4 container,
- Checking the resulting file, MediaInfo reveals the following: "Delay relative to video: 80ms".
Should I tick the delay box and take off 80ms and encode again, it doesn't change the resulting delay anyway.
Looking back with MediaInfo at the different .vob files I have, most of them have a delay mentioned in the audio - like this one for instance:
VTS_02_1.VOB: no delay
VTS_02_2.VOB: -448ms
VTS_02_3.VOB: -560ms
VTS_02_4.VOB: -496ms
I'm not a specialist but I suppose this delay is somewhat normal as I tend to find it on most .vobs I get after ripping.
Should I encode from one single .vob only (with MediaInfo not mentioning any delay in the latter), 80ms delay is still appearing in the resulting file.
This situation makes me wonder if the issue is not coming from my own hard/software. But I did try out other versions of Avidemux (2.5.6.0, 2.6.0, 2.6.1 - all three in both 32/64-bit - plus portable version) and it would either crash (the latest versions, presumably because of the 2-pass encoding) or end up with the mentioned delay.
This leads me to 2 questions:
- Does anyone know where this audio delay to video could come from? (the ripping? Some Avidemux's option not properly set? Some MediaInfo bug?? [which I doubt])
- Does anyone know how to fix this delay? (Should I edit the .vobs in some specific software or something? Or demux the audio, resynch it somewhere else before remuxing it in? That one sounds pretty painful if it must be done for every ripped file)
Thanks a bunch if you guys can help me see clearer on this matter.
P.S. I also tried Handbrake but couldn't get the encoding process above a ridiculous amount of %. Yeah, I'm not familiar with this one yet.
Here's the issue I have for some days now:
I want to encode in mp4s DVDs I ripped, and all of them end up after the encoding process with a specific audio delay. Delay which I want to get rid of eventually.
Here's the steps I follow:
- I rip the DVD using AnyDVD (7.1.3.0),
- I get the classic VIDEO_TS folder in which I find the .vob files I use for encoding
- I encode using AVIDEMUX 2.5.6 (2-pass encoding, no delay option ticked, same output) ; H264/AAC codecs in a mp4 container,
- Checking the resulting file, MediaInfo reveals the following: "Delay relative to video: 80ms".
Should I tick the delay box and take off 80ms and encode again, it doesn't change the resulting delay anyway.
Looking back with MediaInfo at the different .vob files I have, most of them have a delay mentioned in the audio - like this one for instance:
VTS_02_1.VOB: no delay
VTS_02_2.VOB: -448ms
VTS_02_3.VOB: -560ms
VTS_02_4.VOB: -496ms
I'm not a specialist but I suppose this delay is somewhat normal as I tend to find it on most .vobs I get after ripping.
Should I encode from one single .vob only (with MediaInfo not mentioning any delay in the latter), 80ms delay is still appearing in the resulting file.
This situation makes me wonder if the issue is not coming from my own hard/software. But I did try out other versions of Avidemux (2.5.6.0, 2.6.0, 2.6.1 - all three in both 32/64-bit - plus portable version) and it would either crash (the latest versions, presumably because of the 2-pass encoding) or end up with the mentioned delay.
This leads me to 2 questions:
- Does anyone know where this audio delay to video could come from? (the ripping? Some Avidemux's option not properly set? Some MediaInfo bug?? [which I doubt])
- Does anyone know how to fix this delay? (Should I edit the .vobs in some specific software or something? Or demux the audio, resynch it somewhere else before remuxing it in? That one sounds pretty painful if it must be done for every ripped file)
Thanks a bunch if you guys can help me see clearer on this matter.
P.S. I also tried Handbrake but couldn't get the encoding process above a ridiculous amount of %. Yeah, I'm not familiar with this one yet.