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Chapter 11. Effects in Action > Using the Stereo Mixer Effect - Pg. 541

Effects in Action · Stereo Mixer Tip 541 · If you need more precise audio editing or a more extensive set of audio-processing tools, turn to a dedicated digital audio workstation (DAW) or nonlinear editing system (NLE) with good audio-editing features. Stereo as Mono Not all applications save stereo audio as a single file. Digidesign's popular audio editing system Pro Tools, for example, works with stereo audio as two mono tracks. In this case, you import both tracks and align them in a composition. Because even mono tracks have a left and right channel--albeit identical ones--you use the Stereo Mixer effect to send each audio layer to the appropriate track. Set the left level to zero for the layer corresponding to the right track; set the right level to zero for the layer corresponding to the left track. Once you've restored two discrete channels, you can adjust their pan and levels as usual. Using the Stereo Mixer Effect The Stereo Mixer effect is one of the more versatile of the standard Audio effects. As its name indicates, you can use the Stereo Mixer to control the levels and pan values of each of the left and right audio channels of an audio layer. The effect also provides a switch to invert the phase of the channels, so that sounds with the same frequency can't cancel each other out. In addition to manipulating audio channels separately, you can also take advantage of other aspects of the Stereo Mixer effect. Because it uses percentage values rather than decibel values, many