Xtras Compared

Which xtra to use?

Use the Amplitude Xtra if you want to:

• do animations in synch with the loudness (amplitude) of sound or music.
• lip-sync animated characters to spoken dialog
• draw sound waveforms

Use the AmplitudePro Xtra if you want to:

• do anything you can do with the Amplitude Xtra, plus...
• create frequency-based visualizations of sounds using normal Director sprites, imaging Lingo or Shockwave 3D.
• synchronize animations to frequency values.
• create graphical EQ displays.

The following table lists the features available in each xtra.

Feature	Amplitude Xtra	Amplitude Pro Xtra
Process amplitude data	Yes	Yes
Process spectrum data	No	Yes
Normalize sound data	Yes	Yes
Mono/Stereo sound processing	Yes	Yes
dB scaling of amplitude data	Yes	Yes
Smoothing of amplitude data	Yes	Yes
Streaming audio support	Yes	Yes
Shockwave safe	Yes	Yes