Electronic playback apparatus e.g. MP3 player has digital signal processor to process audio data and control other functions of apparatus, by using stored program for apparatus control and data processing routine

摘要

A digital signal processor (1) processes an audio data and controls other functions of playback apparatus, by using the program for controlling the apparatus and the routines for encoding and decoding of audio data stored in memories (3,4) respectively. The processing of audio data includes encoding, decoding format conversion and/or editing of data.