rubbersoul

Here are my settings:

BDPS550 Audio settings

Audio Output Priority - MultiChannel Analog
Speaker settings - All speakers large, set at 0 for distance and level.
Audio (HDMI) - Auto
BD Audio Setting - Direct
Audio Att - Off
Dolby digital - Dolby Digital
DTS - DTS
48kHz/96kHz PCM - 48kHz/16 bit
Audio DRC - auto
Downmix - Do;by surround

990 Settings (calibration done at "0")

Speaker Size - All small sub, yes
X-Over - Fronts 60, Center and surround 80


Surround config
Night - Off
Panarama - Off
Center Width - 0
Dimension - 0
HP Mode - DH1
Sub offset - -2


Channel calibration
FL - -10
C - -9
FR - -11
SR - 0
SL - -9
Sub - -4

Delay settings determined by your room.

Hope this helps.