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Capturing using Virtualdub with Vista
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qwerty99
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Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 06, 2008 13:38 Posts Comp View users profile Send private message Reply with quote
Hi I'm using virtualdub 1.8.3 and i'm trying to capture using my tv tuner using vista. its an express card on my laptop. i've tried using divx, xvid and huffyuv codec but the video and audio are always out of sync. anyone know how i can fix this problem? or does anyone know of a good codec? Thank you

mgh
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Joined: 12 Jan 2003
Location: India
Post Posted: Aug 06, 2008 13:55 Posts Comp View users profile Send private message Reply with quote
what codec are you using for audio?

qwerty99
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Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 06, 2008 14:01 Posts Comp View users profile Send private message Reply with quote
i didnt compress the audio. i prolly should tho. i'll try and use mpeg layer-3. unless you know of a better one

qwerty99
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Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 06, 2008 14:22 Posts Comp View users profile Send private message Reply with quote
i just tried to go into audio compression and virtualdub crashed. it did this before it let me choose a compression. it said this as the cause:

An out-of-bounds memory access (access violation) occurred in module 'lameACM'...
...reading address F7F0FFFF...
...while enumerating formats for audio codec "LAME MP3 Codec v0.9.0 - 3.93 (stable)" (acompchoose.cpp:222)...
...while enumerating audio codec ID 0021be80 (acompchoose.cpp:217).

anyone have any ideas? thanks

mgh
Member


Joined: 12 Jan 2003
Location: India
Post Posted: Aug 08, 2008 01:52 Posts Comp View users profile Send private message Reply with quote
in virtualdub under options, check both sync to audio and drop frames when behind.
audio-set to full processing mode-do not compress but do set the sampling rate under conversion. capture something of sufficient length to see if your sync problem is gone.

qwerty99
Member


Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 12, 2008 09:46 Posts Comp View users profile Send private message Reply with quote
i tried doing that but the audio and video are still out of sync. everything that you asked me to set was done before i could go into capture mode. because i dont get those options when i go into capture avi. so i dont know if they would make a difference. i'll post some pics of the options that are available after i go into capture mode. thanks for your advice. if you have any other ideas please let me know



qwerty99
Member


Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 12, 2008 09:46 Posts Comp View users profile Send private message Reply with quote
audio tab



qwerty99
Member


Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 12, 2008 09:47 Posts Comp View users profile Send private message Reply with quote
capture tab



redwudz
Mod Neophyte


Joined: 07 Sep 2002
Location: AZ, USA
Post Posted: Aug 12, 2008 12:45 Posts Comp View users profile Send private message Reply with quote
If you are previewing during the capture, try turning that off. May be too much CPU load to display and cap at the same time. VD has always been problematic for me for capturing. It seems to take some 'fine tuning' to get it set up properly. Using HuffyUV and maybe another format than MP3 for the audio may also help. I don't have VD on this computer, so no specific advice. sad.gif But I would open Task Manager and check your CPU usage during capture.

About all I can advise is to try some different formats and settings and once you get the sync problem solved, work your way up to the higher compression formats. smile.gif

johns0
killer muppet


Joined: 05 Jun 2002
Location: canada
Post Posted: Aug 12, 2008 16:13 Posts Comp View users profile Send private message Reply with quote
For capturing i used virtualvcr,less buggy than virtualdub.Use uncompressed wav for audio which is much easier on the system.
_________________
Ben Johnson-I didnt take any stereos!

mgh
Member


Joined: 12 Jan 2003
Location: India
Post Posted: Aug 14, 2008 10:37 Posts Comp View users profile Send private message Reply with quote
under capture click on timing
try varying settings in circled boxes


GideonK
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Joined: 29 Jan 2007
Location: NJ, United States
Post Posted: Aug 14, 2008 15:32 Posts Comp View users profile Send private message Reply with quote
Turn off 'Enable audio playback' = No more V-dub sync problems

qwerty99
Member


Joined: 15 Sep 2003
Location: United States
Post Posted: Aug 14, 2008 19:07 Posts Comp View users profile Send private message Reply with quote
mgh thanks for the advice but the problem was still there. i appreciate your help though!

GideonK thanks for the advice. it worked! only drawback is that i cant listen to it while its recording. but it records with no problems. thanks again

thank you to everyone who replied!

geneaum
Member


Joined: 24 Jul 2008
Location: United States
Post Posted: Aug 23, 2008 14:59 Posts Comp View users profile Send private message Reply with quote
Well, after a year trying to get A & V in sync w/ VDub I'm switching to Debut by NCHSoftware
http://www.nchsoftware.com/capture/index.html

Real Producer & WinMovieMaker have no problems with AV sync (but they don't do AVIs). So, downloaded Debut - works perfectly. Can do screen captures as well.

Oh, Debute is free.

GA

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