Sony PCG-GR300K VAIO User Manual page 173

Note:
You may hear distortion during playback of some songs when sound effects have been added. If this occurs,
select "Sound Effect Off" to turn off the sound effect.
Effect Description
Vocal Canceller Reduce or cancel the vocals in a song. You can also change the pitch of a song.
Reverb Add reverberation to the sound, emulating different sound fields.
Settings Make fine adjustments to each sound effect. See the SonicStage Premium Help file for more information on
adjusting sound effects.
3. Click Close. The next time you play a song, the selected sound effect is applied to the song.
Note:
You cannot apply sound effects to songs on a MiniDisc, audio from an FM radio station, or music from an external output.
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