Old 27th March 2002, 13:43   #1
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AVS Frequently Asked Questions

Frequently Asked Questions
Advanced Visualisation Studio

Before checking this list, make sure you have the latest AVS version (at the moment: v2.5, check the plug-ins list or AVS about box to see which one you have). You can get it by downloading the latest Winamp (either Standard or Full version).

Question #1a: What is AVS?
Question #1b: I downloaded a bunch of AVS plug-ins/presets, but they don't show up in the Winamp plug-ins list!

AVS is a visualisation plug-in that isn't limited to predefined effects: the user can combine the library of built-in effects in endless ways to create so-called presets. There are tons of presets available for download on the web, most of which are a lot better than the default presets (they're a bit outdated).
To view these presets, start AVS like any other plug-in and right-click the display. You can then choose from all the presets installed.

Question #2: How can I configure AVS?

First of all, you need to be in Windowed or Docked mode (not Fullscreen). Then, double-click the AVS display, and the configuration dialog should open up. From the menu's available, you can access all the options that AVS provides. These are mostly self-explanatory, but the difficult ones are covered in specific questions.

Question #3: How can I make my own presets?

In the configuration dialog, you should see a tree-view on the left hand side. This is an overview of the currently loaded preset. Above that, there are 3 buttons (+, -, x2): these are for adding an effect, removing an effect and duplicating the currently selected effect.
AVS's built-in effects are divided into several categories:
- Render: these effects draw something on the image
- Trans: these effects apply a filter or movement to the image
- Misc: these effects have a non-visual or non-immediate effect, such as setting line size.

Question #4: I saw someone who had AVS running as his animated desktop background! How is this possible?

First, start AVS and open up the configuration dialog (see Q#2). Now, click the 'Settings' menu, and then 'Display'. On the right-hand side, a box labeled 'Overlay mode' should appear. Enable this, and check 'set desktop to color', you should now have an AVS desktop background.

If you don't see anything, try removing any desktop wallpaper you may have and turning off Active Desktop. Both can be done through the Display panel in the Windows Control Panel.

If you do see AVS, but it's covered in a bunch of dots, you're probably running in 16-bit colour mode (High Colour). The overlay-colour that is used can't be properly displayed in 16-bit, and so Windows draws dots of the nearest colours to give you the impression of the right colour. Try a different (slightly brighter or darker) overlay colour, or switch to 24-bit/32-bit (True Colour).

Question #5: What is an APE?

APE stands for 'AVS Plug-in Effect'. As the name suggests, they are extra effects for AVS, made by other programmers. There is no official collection of APEs, but you can find a list of most APE's here:


Question #6: I don't understand what effect xxxxxxx does! Can you explain it?

Every AVS effect is quite different. Most are fairly straightforward, but others aren't. Some even allow you to program your own mathematical equations for movement, colour or shape. Here are some guides on various topics that should get you started. Learning how to use AVS to its fullest is a time consuming hobby, and you shouldn't expect to know all of it in one day.

What math is required?

The Superscope

The Dynamic Movement

Variables in AVS code (Superscopes, Dynamic Movements, etc.)

Explanation of some concepts of 3D SuperScopes, and the relationship between AVS code and mathematical equations

Short refresher of trigonometry

How to comment inside AVS code

Huge thread containing lots of code and some beginner tutorials:

Code that approximates the built-in movements (useful for learning to code):

Question #7: AVS is incredibly slow on my computer! How can I speed it up?

The answer is simple: you can't. AVS only uses your CPU, so having a fast 3D graphics card won't help much. Here are some tips in speeding it up:

- Run in 32-bit mode. This might sound weird, but 32-bit color depth is a lot faster than 16-bit in AVS. This is because everything is calculated at 32-bit internally, so any other mode requires the image to be converted each frame.

- Run in a low resolution. If your video-card doesn't support resolutions like 320x240 or 400x300 at 32-bit, you can use pixel-doubling. This effectively halves the actual resolution (e.g. 640x480 pixel-doubled is the same as 320x240).

- Turn off any other programs or background processes that are running.

For more in-depth discussions on the hardware acceleration issue, check the following topics:


Question #8: How can I capture the output of AVS as a video/movie file?

AVS doesn't have this function built-in, but there are currently 2 APEs (AVS plug-in effects, see Question #5) that can capture the video of AVS to an .AVI file. After inserting one them at the end of the preset you want to capture, you can configure and control it through the component's configuration dialog (on the right hand side).
Note that these will only allow you to capture one preset at a time and will not capture transitions. If you have a problem with one of these, you should probably contact the author of the APE rather than posting your question in these forums.

AVSGrabber.ape: http://avs.acko.net/ by Steven Wittens (UnConeD)
Saver.ape: http://www.dmc.dit.ie/pixelcorps/ by times2

Question #9: AVS keeps cycling the presets around. How can I stop this and make it show the same preset indefinitely?

To turn this off, you have to open the configuration dialog first (see Question #2). Then, go to the 'Settings' menu at the top, click 'Presets/Hotkeys'. Now, turn off the checkbox marked 'Randomly switch presets'.
Note that AVS will never cycle presets while the configuration dialog is open, even when this is turned on. Make sure that this is turned off anyway when creating presets, because you could easily lose an unsaved preset this way.

Question #10: I want to use AVS for live performances. How do I do this?

Yes you can use AVS or any other visualization for that matter for live sets:

All the info you need for this is here:


Question #999: My question is not answered here! What do I do?

First, try using the 'Search the Forums' link at the top. Your question might have been asked before. If you can't locate a previous answer, feel free to ask it here (in the appropriate sub-forum).

(This list is maintained by Steven Wittens / UnConeD. If you feel a question should be added, drop him a line.)
(Most of these answers have accumulated overtime: credit goes to everyone who's helped out here)
Last Update: 8th October 2002
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