Audio won't start unless I mess with the seek bar (DivX)

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Audio won't start unless I mess with the seek bar (DivX)

Postby SarahtheBoring » Fri Aug 15, 2003 4:23 pm

Please bear with me, I'm terrible at troubleshooting. :?

As it says, the video starts and the audio is synched fine, however, I have no audio at all unless I hit the seek bar. Doesn't matter where I seek to, as long as it's past the first 2 seconds of the audio.

Note: this also happened when I put in a black bumper beforehand - I still had to seek within the main audio (the song itself) to get it to start. Seeking in the "silence" wav of the bumper did not help; it still didn't start.

I have a vague idea that this is the fault of interleaving or preloading or a setting like that, though I could of course be wrong. Right now it's interleaved every 1 frame, and preloads 500ms.

To save myself the time it takes to encode this and try out 80 different things, is there a clear problem here?

Thanks a lot. I will remember this for future reference. *salutes*
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Postby AbsoluteDestiny » Fri Aug 15, 2003 7:29 pm

I honestly wish I knew how to help.

I've had this very same problem in the past too with a couple of encodes and I could never work out what I had to do to fix it.

I'd be interested to see if anyone else has a solution :(
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Postby FurryCurry » Fri Aug 15, 2003 8:15 pm

I wish I had some sort of solid solution, but 1 frame interleaving and 500ms preload is what I almost always use, and that works fine for me.

There was one weird encode I did where that wouldn't work, and I changed the interleaving to every 4 frames, and somehow, that worked. I don't know why.

Could you post a few more specifics about the file, like what version of divx you encoded to, with what program, and what format the audio is in, wav or mp3 of ?

Also, does this happen in just WMP (and what version are you using?), or have you tried it in vdub/players other than WMP?
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Postby SarahtheBoring » Fri Aug 15, 2003 9:33 pm

I haven't tried it in other players than WMP. But then, I don't expect most viewers to have anything else, either, so.

Okay, these are the specs, and again, if you must laugh be kind in the thread:

DivX5.0.4 (I stuck it at 1-pass VBR at 2000 because I'm a retard and curious as to how it would turn out, but it turned out very clean so I left it :P I should do 2-pass, I know. I am in the "try this random thing out and see how it works" monkey school of technology. But maybe that screwed it up, I dunno.)

Encoding in VirtualDub.

Format of audio: ...actually, I think it was encoded with the AVI. For some reason I exported with sound. I think I just forgot to uncheck it, actually. (Originally it was a 48K/16 bit wav, aaand I suppose I exported it as the same quality. Sure sounds like it.)

In VDub I had set the sound to compress to Lame MP3 48,000 Hz Stereo.

Oh, and WMP is... version 9.00.00000000000 okay, slight exaggeration. Version 9.

I think that's all.
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Postby post-it » Fri Aug 15, 2003 9:39 pm

- how quickly they forget!

( Sherman; set the way-back machine to Alpha3.11 )
The answer is quite easy if you remember that the Audio's are ACM driven
and that the ONLY ACM Audio MCI codec with instructions was part of that package!

As silly as it sounds, I load Xvid first followed Divx 5.X and then Alpha3.11
and I've never run into this problem that you are discribing
( which is the biggest-fattest lie I've ever told T_T )

I had this problem too, however by loading the original Alpha3.11 on a
hunch - I've not had that problem sence 8) I solved it by Common Sence.
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Postby SarahtheBoring » Fri Aug 15, 2003 10:19 pm

I wish I knew what you were talking about, and I don't appreciate the slam against my common sense. Video editing isn't exactly a basic survival skill, you know. -_-

I asked people not to mock me, if you bothered to read my post. I don't think it is conducive to learning, which ultimately we come here to do.
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Postby klinky » Fri Aug 15, 2003 10:23 pm

post-it is one of a kind :lol:
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Postby FurryCurry » Fri Aug 15, 2003 11:11 pm

If I can ever make any sense out of what post-it said, I'll let you know, but don't hold your breath, the chances are slim. :roll:

Anyway, let's try to keep the video encode you're happy with, but give it a fresh audio source to play with.

This all works on the assumption you still have your master export from Premiere handy.

Open your master file up in vdub, and under the file menu, select File Information.

Take a look at the audio info. The first thing under that should be sampling rate. note whether it is 44100 or 48000.

Next, also under file, select Save WAV. Give this file a unique name, and remember where you are saving it, as you'll need it in a minute.

Close the master file, and load your Divx with the problematic audio into vdub.

Settings:

Video: choose Direct Stream Copy

Audio:

Choose Full processing mode.

Now choose WAV Audio, and when the dialog box opens, select the WAV you just saved from your master.

Select interleaving. Enable should be checked
Settings: Preload 500ms Every 1 frames
Delay 0ms

Select Compression. Select Lame mp3.

Find the sampling rate you noted from your master file, be it 44.1 or 48Khz.
If you don't see the matching sample rate, check the "show all formats" box, and the list will get longer.

Choose the matching sample rate, 128kbps Stereo. No ABR stuff.

Hit ok.

Go back to the file menu, and select Save as AVI, and give this file a different name than your original one, so you don't overwrite it.

Test play the newly created file in WMP.

*****
What this will do is keep the encoded video you're happy with intact, without recompression or colorspace conversion, but hopefully mix in the new, freshly made compressed audio with the existing video stream, and hopefully eliminate any weirdness with using incorrect sample rates, or any screwups caused by Divx or Lame or anything else when you compressed both at the same time.

I'm looking forward to seeing if this works. Hopefully, going through it this way will eliminate any overlooked variables, and give you a working file.

If it does work, you can thank me by catching me on AIM and letting me have a look at this new vid of yours. :P
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Postby Tab. » Fri Aug 15, 2003 11:55 pm

I doubt post it was insulting you sarah. You're a little too self conscious :?
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Postby post-it » Sat Aug 16, 2003 4:42 am

SarahtheBoring wrote:I wish I knew what you were talking about, and I don't appreciate the slam against my common sense. Video editing isn't exactly a basic survival skill, you know. -_-

I asked people not to mock me, if you bothered to read my post. I don't think it is conducive to learning, which ultimately we come here to do.


load Alpha3.11 - its audio codec's are not that out of date.
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Postby SarahtheBoring » Sat Aug 16, 2003 8:36 am

-_- I'm sorry, but "You could solve this if you had any common sense" is not the nicest thing to say. That's all. Okay?

I'll try redoing the audio as FurryCurry said - thanks!
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Postby SarahtheBoring » Sat Aug 16, 2003 9:18 am

All right, exporting it separately seems to have worked. It starts now. :) (The file's even more gigantic now, for some reason, but I'll work with that.)

Moral of the story, always import separately even if it *looks* like it's going to work. :P

Thanks a lot, guys!
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Postby madmallard » Sat Aug 16, 2003 6:52 pm

are we adding this to the end of message threads Sarah is participating in, now?

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Postby NME » Sat Aug 16, 2003 7:31 pm

Tab you're an idiot and Sam is a slut.

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Postby jonmartensen » Sat Aug 16, 2003 10:35 pm

Shut the fuck up you asshole


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