Patent ID: 6839676
Filing Date: 2005-01-04
Classification: G11B,H04H,H04S

Abstract:
1. An audio-decoder apparatus for decoding encoded audio signals, comprising: a circuit substrate, for use in one of a 2-channel model audio device and a 5.1-channel model audio device, said circuit substrate having a first portion common to use in both said 2-channel model audio device and said 5.1 channel model audio device, and a second portion, only in said 5.1-channel model audio device, for use together with said first portion, said first portion of said circuit substrate comprising: a switching means, for enabling arbitrary switching of a connection mode over said respective signal lines, for a preselected, fixed one of said 2-channel model audio device and said 5.1-channel model audio device, between one of said output terminals of said decoder, and a said input terminal of one of said D/A converters of said circuit substrate.