Abstract: An audio data processor includes a packet receiver for receiving audio data packets and a coded data extractor for extracting coded data from the received packets. When an error detector detects a receiving error of a packet in the packet receiver, a data interpolator generates interpolation coded data on the basis of coded data of a packet normally received immediately before the missing packet, and interpolates coded data of the missing packet by the interpolation coded data.

Abstract: It is an object to obtain a press apparatus and a press controlling method which apply press working to a processed object with accurate press load and is capable of press working with accurate press load without affected by variations in thickness of the processed objects and variations in shut height of molds. A servo motor (51) is connected concentrically to a rotation transmitter (52), and a screw shaft (53) is provided passing through the center of the rotation transmitter (52). The driving force of the servo motor (51) is converted into a thrusting force of a press ram (54) by combining the rotation transmitter (52) and the screw shaft (53). Correct press load is applied to the processed objects and troubles in the press processing caused by variations in thickness of the processed objects can be prevented.