| 摘要 |
A Digital to Analog (D/A) convening Integrated Circuit (IC) 33 is able to create left and right channel analog audio data from Pulse Code Modulated (PCM) or Direct Stream Digital (DSD) data due to a conversion circuit 32 (fig. 3) which selectively outputs either format. For DSD Data. conversion circuit 32 receives channel clock LRCK, bit clock BCK and master clock MCK (fig. 8) and outputs separate right and left channel data, DSD_R and DSD_L, arranged alternately word by word via shift registers 321-322 (fig. 3). PCM data bypasses conversion at 32, entering the IC directly from interface (I/F) 31 along with LRCK, BCK and MCK (figs. 2 and 5). This avoids the need for expensive Large Scale Integrated (LSI) circuits to perform D/A conversion of DSD data. |
