俺觉得Waves的MondoMod不错，
另外也可以试其他的：
Ultrafunk: fx:surround
Waves Doppler
AIPL SpinCycle
Arboretum: Auto Pan (Hyperprism)
DSound: AutoPan AP-1 (Stompin' FX Vol.2)
DSPFX: Auto-Panner (Virtual Pack)
SpinAudio: 3DPanner Studio
SonicEngineering: Auto Surround
SonicEngineering: PanHandler
