LEVEL ADJUSTING DEVICE, SIGNAL PROCESSOR, AV PROCESSOR AND PROGRAM

摘要

Provided herein is an AV processing apparatus which displays through a GUI a fader F capable of adjusting an output level by moving an operation element along a predetermined track on a touch panel TP. When an arbitrary position on the track is designated as a point by an operation of a user, the operation element is moved at a constant speed over a predetermined required moving time from a moving start position which is a position of the operation element before the designation to the designated arbitrary position.