Toshiba Qosmio G30 HD-DVD (PQG31) - Manual (Page 161)

User’s Manual 8-31
Using the Remote Controller, Front operation panel and QosmioPlayer
Available noise reduction levels
Three noise reduction levels are available: Low, Medium, High
Image noise is reduced and the screen image becomes smooth and sharp
if a higher level is chosen.
About LCD Overdrive
LCD Overdrive reduces the afterimage that can occur in moving pictures.
This function is available InterVideo WinDVD.
This function is available only for NTSC.
This function is available InterVideo WinDVD.