Upsample is an option in the 990 that converts digital audio (such as the 16-bit, 44.1KHz from CD's) to 24-bit, 192KHz.

I don't use analog bypass because the 990 has better DAC's than my DVD player (OPPO 981HD).
_________________________
gonk
HT Basics | HDMI FAQ | Pics | Remote Files | Art Show
Reviews: Index | 990 | speakers | BDP-93