NEW Guides and AmvApp BETA

This forum is for video and audio help and discussion.

Postby Zarxrax » Wed Feb 07, 2007 10:04 am


You can still use it if you want :p
User avatar
Zarxrax
 
Joined: 01 Apr 2001
Location: Concord, NC

Postby Scintilla » Wed Feb 07, 2007 7:03 pm

Would like to suggest that some of the newer codecs and formats (AAC, H.264, etc.) be added to the glossary.

I also like how "EADFAG" seems to have become the preferred abbreviation for the Guide to All Things Audio and Video, when only a few years ago I felt like I was the only one using it. :)
ImageImage
:pizza: :pizza: Image :pizza: :pizza:
User avatar
Scintilla
(for EXTREME)
 
Joined: 31 Mar 2003
Location: New Jersey
Status: Quo

Postby Scintilla » Wed Feb 07, 2007 7:06 pm

Also, a typo on the video codecs page, under WMV:

Disadvantages: Of course, its proprietary nature fails it, and it is not MPEG4 compatable.
ImageImage
:pizza: :pizza: Image :pizza: :pizza:
User avatar
Scintilla
(for EXTREME)
 
Joined: 31 Mar 2003
Location: New Jersey
Status: Quo

Postby Zarxrax » Wed Feb 07, 2007 7:21 pm

Maybe I should have just ran a spellcheck :p
User avatar
Zarxrax
 
Joined: 01 Apr 2001
Location: Concord, NC

Error by aspect ratio ?

Postby Tiiscool » Thu Feb 08, 2007 1:47 pm

Hello,

maybe there is an error:

"For NTSC you can make graphics at 720x540 and then resize them to 720x480 and they will look just like your dvd footage. "
http://www.animemusicvideos.org/guides/ ... atios.html



"NTSC Graphics: Make images at 720x528 and resize to 720x480 to have DVD PAR."

http://www.animemusicvideos.org/guides/ ... tios2.html

Best regards,
Ti
User avatar
Tiiscool
 
Joined: 14 Nov 2004
Location: Alstätte, Germany

Postby Tiiscool » Thu Feb 08, 2007 3:17 pm

Hello,

I would like to have an overview of the DAR and PAR in the new Guide :wink:
Are the numbers right ?
Code: Select all
                TV/DVD                       Monitor   
                            4:3                        
NTSC   720 x 480                           640 x 480
PAL    720 x 576                           768 x 576
                           16:9                        
NTSC   720 x 480       960 x 480           853 x 480
PAL    720 x 576      1152 x 576          1024 x 576
                   (stretched)         

                           Pictures                        
                            4:3                        
NTSC   720 x 540 (528)      rezise to      720 x 480
PAL    768 x 576            rezise to      720 x 576
                           16:9                        
NTSC   848 x 480            rezise to      720 x 480
PAL   1024 x 576            rezise to      720 x 576


Best regards,
Ti
User avatar
Tiiscool
 
Joined: 14 Nov 2004
Location: Alstätte, Germany

Postby Beefy_Suavo » Thu Feb 08, 2007 4:48 pm

I looked through the Pre-Processing, Post Production, and Online Video Distribution sections and I did not see any mention of adjusting the brightness and contrast of the video using AVIsynth.

Would this be useful for the guide, or would adjusting the brightness and contrast of the video be better to do during playback in the user's video player?
"WELDING! Oooo pretty light... AHHH! It burns!"
"Keep that up you'll go blind."
User avatar
Beefy_Suavo
 
Joined: 26 Feb 2005
Location: Denver, CO
Status: Dead and loving it

Postby angelx03 » Thu Feb 08, 2007 4:51 pm

Uhhh, I thought that's already listed here:

http://www.animemusicvideos.org/guides/ ... html#color
ImageImage
Image
User avatar
angelx03
 
Joined: 21 Jan 2003
Location: In school, Rochester NY mainly RIT; in home, Tampa, FL

Postby Beefy_Suavo » Thu Feb 08, 2007 4:54 pm

angelx03 wrote:Uhhh, I thought that's already listed here:

http://www.animemusicvideos.org/guides/ ... html#color

D'oh.
"WELDING! Oooo pretty light... AHHH! It burns!"
"Keep that up you'll go blind."
User avatar
Beefy_Suavo
 
Joined: 26 Feb 2005
Location: Denver, CO
Status: Dead and loving it

Postby Beefy_Suavo » Thu Feb 08, 2007 5:26 pm

While I'm busy making a fool of myself...

EADFAG Beta wrote:Tweak also has some other parameters for things like brightness and contrast, but I strongly recommend against using these. Instead, you should use levels.

Maybe include a short explanation for why Levels should be used for adjusting brightness and contrast? The AVIsynth guide for Levels suggests to adjust them using Tweak.

http://avisynth.org/index.php?page=Levels wrote:For adjusting brightness or contrast it is better to use Tweak or ColorYUV, because Levels also changes the chroma of the clip.
"WELDING! Oooo pretty light... AHHH! It burns!"
"Keep that up you'll go blind."
User avatar
Beefy_Suavo
 
Joined: 26 Feb 2005
Location: Denver, CO
Status: Dead and loving it

Postby Zarxrax » Thu Feb 08, 2007 6:48 pm

Beefy_Suavo wrote:While I'm busy making a fool of myself...

EADFAG Beta wrote:Tweak also has some other parameters for things like brightness and contrast, but I strongly recommend against using these. Instead, you should use levels.

Maybe include a short explanation for why Levels should be used for adjusting brightness and contrast? The AVIsynth guide for Levels suggests to adjust them using Tweak.

http://avisynth.org/index.php?page=Levels wrote:For adjusting brightness or contrast it is better to use Tweak or ColorYUV, because Levels also changes the chroma of the clip.


I assume when the avisynth manual says that, they mean it in the literal sense of actually changing brightness and contrast. Brightness and contrast adjustments mean very specific things, and are usually NOT what you intend to adjust on your video. Brightness and Contrast are terms that everyone is very familiar with, but few people really understand them.

Let's take Brightness for example. Adjusting the brightness is basically the equivalent of taking a solid white or solid black image and overlaying it on top of your video. It doesn't really make your video "brighter" or "darker" according to what most people's perception's are--it merely makes it "more white" or "more black". A basic "contrast" control has similar problems. By using Levels, we can make the image look more visually darker or lighter, not simply whiter or blacker.

Here are a few links with some more information about levels, hope this helps.
http://www.cambridgeincolour.com/tutorials/levels.htm
http://www.biorust.com/tutorials/detail/198/en/
User avatar
Zarxrax
 
Joined: 01 Apr 2001
Location: Concord, NC

Postby psyimn » Thu Feb 08, 2007 7:59 pm

I think I did something wrong installing the AMVappBeta. After installing the AMVapp, I tried to run VirtualDubMod, only it won't open. It's installed, it just won't open. I even re-installed the app. Any suggestions? :(
User avatar
psyimn
 
Joined: 25 Dec 2006

Postby Scintilla » Thu Feb 08, 2007 8:05 pm

First thing to try: Move all your AVISynth plugins to some folder that's NOT your default plugins folder, and see if VDubMod works. If it does, move the plugins back one at a time and test VDubMod after each one until you find the one that breaks it.
ImageImage
:pizza: :pizza: Image :pizza: :pizza:
User avatar
Scintilla
(for EXTREME)
 
Joined: 31 Mar 2003
Location: New Jersey
Status: Quo

Postby psyimn » Thu Feb 08, 2007 8:17 pm

Thanks Scintilla. That fixed my problem. It was the setmemorymax script that was causing the problem, and for the record, what does the "setmemorymax" script do specifically?

Thanks again.
User avatar
psyimn
 
Joined: 25 Dec 2006

Postby Zarxrax » Thu Feb 08, 2007 8:31 pm

p1tch wrote:Thanks Scintilla. That fixed my problem. It was the setmemorymax script that was causing the problem, and for the record, what does the "setmemorymax" script do specifically?

Thanks again.

That's VERY odd. Could you please paste the contents of that setmemorymax script?
It just tells avisynth how much memory it should try to stay within.
User avatar
Zarxrax
 
Joined: 01 Apr 2001
Location: Concord, NC

PreviousNext

Return to Video & Audio Help

Who is online

Users browsing this forum: No registered users and 1 guest