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Topic: Virtual Dub Mod Audio Video Interleaving (Read 8301 times) previous topic - next topic
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Virtual Dub Mod Audio Video Interleaving

I notice this information in a fair few guides:
Quote
Change the “Preload” and “Interleave every” boxes to 160ms and 160ms respectively for 384Kbps AC3 audio or to 128ms and 128ms for 448Kbps AC3. Click on OK to accept the Interleave settings.


Ok, what do these values do?
Are they just for cosmetic value and only of interest to the computer?
What values should I put for 192kbps AC3, 224kbps AC3, and Vorbis that usually runs in about 140kbps?

Virtual Dub Mod Audio Video Interleaving

Reply #1 –
doesn't vdubmod come with help file?
here's from normal vdub;

Quote
Although video clips have simultaneous audio and video streams that play at the same time, the files that contain them are a single stream. Interleaving fakes having two streams by slicing the audio and video streams into chunks and mixing them together in chunks by time. A player reading an interleaved file receives a little bit of audio, then a bit of video, and then more audio, etc., buffering them in memory for a short time before playing the two together. VirtualDub's audio interleaving dialog controls how interleaving is performed.
.........
etc.

from vdub 1.5.4

Virtual Dub Mod Audio Video Interleaving

Reply #2 –
Yeah, ok; I had read that...

Different angle then - what values do YOU use for various different audio formats and bitrates? 

Virtual Dub Mod Audio Video Interleaving

Reply #3 –
none...i use cbr mp3 inside the .avi;from 48kbit mono to 192kbit stereo...never touched that settings....
recently i tried aac on very low bitrates...neither it nor mp3 satisfied,so i continued the usual(slightly higher) mp3...

why don't you try different settings and see what happens....problems should be audible...

Virtual Dub Mod Audio Video Interleaving

Reply #4 –
for abr/vbr mp3 i use interleave every frame, for ac3 is a matter of trying iirc, there is also a proggy named avi-mux gui without confusing settings like that (but introduces some new ones...  )

p.s. please no flames about how evil vbr in avi is...
PANIC: CPU 1: Cache Error (unrecoverable - dcache data) Eframe = 0x90000000208cf3b8
NOTICE - cpu 0 didn't dump TLB, may be hung

Virtual Dub Mod Audio Video Interleaving

Reply #5 –
I don't use Vdub for interleaveing audio (particularly VBR MP3 & AC3).  Use AVI-Mux Gui and you'll never have to fiddle with interleaving options again.

Virtual Dub Mod Audio Video Interleaving

Reply #6 –
I have fiddled with the values, and cannot discern any difference when changing them... It was more for interest value.

I don't use .avi, is there an equivalent OGM-Mux Gui, or MKV-Mux Gui available? 

Virtual Dub Mod Audio Video Interleaving

Reply #7 –
AVI-Mux now natively muxes Matroska (MKV). Just download it.

Virtual Dub Mod Audio Video Interleaving

Reply #8 –
Quote
I have fiddled with the values, and cannot discern any difference when changing them... It was more for interest value.

I don't use .avi, is there an equivalent OGM-Mux Gui, or MKV-Mux Gui available? 

Well, I remember using 96ms for 192kbps ac3.  This was a long time ago like at least > 2 years ago which I last muxed ac3 like this.  Nowadays use avimuxgui for muxing avis; it is just works better.  As for an OGM muxer http://oggmux.sourceforge.net/ of course if you want to mux matroska use mmg which comes with mkvtoolnix http://www.bunkus.org/videotools/mkvtoolnix/

Virtual Dub Mod Audio Video Interleaving

Reply #9 –
Well, tried OggMux...

Old versions 0.9.1, 0.9.2 etc,... have always got the soundtrack delay greyed out
Newer ones 0.9.4, 0.9.5 etc,... will not allow .ac3 files, only an option which mentions ac3, but is actually filtered with *.wav

I have seldom been so unimpressed with a piece of software!

Virtual Dub Mod Audio Video Interleaving

Reply #10 –
Well then I suggest you try AVIMux or some other Matroska muxing tool.

Edit: Not trying to sound like an addvertisement for AVIMux, it's just damn good at what it does.

Virtual Dub Mod Audio Video Interleaving

Reply #11 –
Quote
Well then I suggest you try AVIMux or some other Matroska muxing tool. Edit: Not trying to sound like an addvertisement for AVIMux, it's just damn good at what it does.

... alexnoe is pretty accurate in everything he does ... a typical German engineer, and thats what has made 'Made in Germany' into something extraordinary once ....... of course, this is a looong time ago  ......