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Audioscopes - pretty lines of color undulating to the rhythm of the night. My, oh my, what a beautiful sight!
Audioscopes are a WebTV-only function. It's nice to know that there are a few things we can do that computers can't, don't you think? Audioscopes are used with music and they are commonly referred to simply as "scopes".
Here's the audioscope tag shown with 1 attribute per line: <Audioscope opens the audioscope. Height is entered in pixels. Width is entered in pixels. Bgcolor is the backgorund color of your scope. Enter a color name or a hex code. Leftcolor is the color of the line that represents the left channel of your sound. Enter a colorname or a hex code. Rightcolor is the color of the line that represents the right channel of your sound. Enter a colorname or a hex code. Typically leftcolor & rightcolor are different from each other so you can see both channels easily. Leftoffset determines distance above or below the horizontal center of your scope for your left channel. Enter a number of pixels. Rightoffset determines distance above or below the horizontal center of your scope for your right channel. Enter a number of pixels. Typically leftoffset is negative (-) and rightoffset is positive (+) & usually they are the same number of pixels, one line above center & the other line the same distance below center, but you can put them anywhere you want inside your scope. Negative (-) values will be above the center. Positive (+) values will be below the center. Gain is amplitude. It determines how much of an affect the sound has on your audioscope. Low gain amounts will give you gently undulating waves. High gain amounts will "clip" the waves in your scope and square them off as they hit the top & bottom of your scope. This clipping effect shows up best when the bgcolor of your scope matches the bgcolor of your page. Maxlevel is optional. It will place a line at the top of the waves that you see as the music plays Border is optional. Enter a value in pixels
Here are some songs to play while you watch the scopes:
Effect of gain (Offset=5)
Gain="1"
Gain="0", a Special Case
Setting the gain at "0" will give you a "digtal readout" instead of "analog waves". An interesting thing about zero-gain scopes is that you don't see the scope colors when there is no music. Rise is an example of using tall narrow zero-gain scopes together. Negative gain Negative gain values can also be used, They just look upside down from positive gain values.
Here is the same scope with positive & negative gains.
Audioscope Art
The Amazing MsV (aka MrsK)
MsV gives detailed insturctions on how to make audioscope art in this style at Scopes By Design. Here's an example for Halloween called "Do Not Enter". It uses audioscopes for the eyes on the skull & the monster at the end of the walk, and also to make the "patio lights" that line the path.
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