| 摘要 |
PROBLEM TO BE SOLVED: To provide an audio signal reproducing device, capable of performing desired processing in a minimum circuit scale according to a loudspeaker system to be connected and also maintaining high sound quality at reproduction of an audio signal subjected to delta-sigma conversion by a plurality of channels. SOLUTION: As a first concrete example for performing 4-channel reproduction of a one-bit audio signal, the inputs and outputs of four prepared one-input ΔΣmodulators and five prepared three-input ΔΣ modulators are connected, so as to select three one-input ΔΣ modulators 101, 102 and 103 among the four prepared single-input ΔΣ modulators and four three-input ΔΣ modulators 111, 112, 113 and 114 among the five prepared three-input ΔΣ modulators, by using a matrix router (not shown). |
