FlashAmp - what?

How does FlashAmp work? It's simple – FlashAmp creates arrays of data that you can use in Flash with some simple Actionscript to synchronize animations (or anything else) with sound. This data is derived from the information in sound files, specifically, how the sound changes over time. FlashAmp generates three types of data; amplitude, spectrum and cue points.

  • Amplitude data represents the changing volume (or 'loudness') of the sound over time.
  • Spectrum data represents the changing frequency (bass and treble) content of the sound over time (available in FlashAmp Pro only).
  • Cue point data contains information about cue points that have been added to a sound file. Cue points are associated with a particular time location in the sound so they are useful for triggering actions as a sound plays. Most popular sound editing applications allow you to add cue points to a sound file, some sound editors call them 'markers'.

As the sound plays in Flash you can easily find the correct FlashAmp data value that you need based on the current position of the sound or, if the sound is on the _root timeline, the current frame of your Flash movie.

OK, that's enough theory for now, but remember that the FlashAmp User Guide has more detailed information if you need it.

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