View Full Version : How to Mux DivX and Ac3 stream?
Grobie
12 Aug 2002, 09:08 PM
Hi
My probmel is, that i canīt mux a DivX Stream and an Ac3 stream with 48 KHz and 448 Kbit/s. Or better I can mux them, but i cannot play them, only with hanging every 3 seconds .
If I had the noramlly 384 Kbit/s (I think so) Stream there is no problem.
I use VitualDubAC3 and the iviaudio Codec to mux the Streams .
Is there anny prog, that can mux this streams?
If yes, where can I get this prog?
THX
Grobie
hacker_on_fire
12 Aug 2002, 10:10 PM
try registiring your ac3 filters or your system may not be powerful enough.
Grobie
13 Aug 2002, 01:13 AM
Hi
Mhhh my AC3 filter is registered on my system. Named Iviaudio
Codec. And I have 1,2 GHz prozzi I think thatīs enought.
No I think I need an other tool to mux the Ac3 and DivX stream, but I donīt know which tool support Ac3 streams whith 448Kbits/s. :confused:
VirtualDub is OK, but only for 338Kbits/s streams. :mad:
THX
Grobie
cyberafv
13 Aug 2002, 01:43 AM
I tried to mux an AVI stream using its AC3 extracted audio at 384 kbps, with the same result...out of synch , freezed frames...you name it, but nobody answers my thread yet!. By the way... i used Nandub for muxing, trying different interleaving settings (according to some internet guides, of course)...nothing...
:confused:
Grobie
13 Aug 2002, 02:44 AM
Hi
Use VirtualDub a special Version with AC3 - than you have no probs - but where can I get Nandub?
THX
grobie
UncasMS
13 Aug 2002, 05:10 AM
nandub can be found on my page - just click on the anigif
under muxing you could find the following settings in my guide:
6.6
In cas you want to mux AC3 streams, the following seetings might be useful:
AC3 192kbit/s => Preload: 80ms Interleave every 80ms.
AC3 384kbit/s => Preload: 160ms Interleave every 160ms.
AC3 448kbit/s => Preload: 128ms Interleave every 128ms.
give them a try!
Grobie
13 Aug 2002, 10:20 AM
Hi
Nice page ;-)
Good work
THX
Grobie
cyberafv
13 Aug 2002, 08:37 PM
I already tried using Virtual Dub AC3 for muxing a week ago before writing this reply, working those settings(interleaving=160ms,etc) of course, with the same annoying results. But now i'm thinking maybe was the way the audio stream was extracted: i used Xmpeg and could be a sampling problem...any ideas?:confused:
Grobie
13 Aug 2002, 09:24 PM
Mhhh
This is the first time i used Nandub and 448 Kbits/s AC3 stream and it works :-D
Have you switched the button in the interleaving menue from frames to milliseconds (ms) when you use Nandub?
I forgot it first. ;-)
CU Grobie
cyberafv
14 Aug 2002, 08:45 PM
Of course i switched the button in the interleaving menue from frames to milliseconds using Nandub...i'm not that kind of newbie.;)
My question remains: was a good or bad idea extracting the audio stream using Xmpeg? Is it better to use another one?. Every version i know of Flask and Xmpeg have a really bad bug when comes to sampling audio streams during extraction.
UncasMS
15 Aug 2002, 09:50 AM
i'd ALWAYS suggest to handle sound seperately!
use vob2audio or besweet and mux your sound with your avi using nandub.
(of course my first choice would be to use gordianknot 026b + divx 5.02 pro two passes for transcoding purposes instead of xmpeg)
cyberafv
15 Aug 2002, 09:02 PM
Thanks for your suggestion. By the way...i just used Xmpeg for extracting the AC3 audio stream because it seemed more easy, but i never use Xmpeg for muxing!.I'm gonna try besweet and vob2audio.
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