MSP 34x2G
PRELIMINARY DATA SHEET
Table 3–11: Write Registers on I2C Subaddress 12hex, continued
Register
Address
Function
Name
00 4Ahex
Virtual Surround Effect Strength
SUR_3DEFF
bit[15:8] Virtual Surround Effect Strength
7Fhex
3Fhex
Effect 100%
Effect 50%
...
01hex
00hex
Effect 1.5%
Effect off
bit[7:0]
00hex
must be 0
Strength of the surround effect in PANORAMA or 3D-PANORAMA mode. In
other Surround Reproduction Modes this value must be set to 0. Recommended
value: 66% = 54hex
.
00 4Bhex
Surround Processing Mode
SUR_MODE
DEC_MAT
bit[15:8] Decoder Matrix
00hex
ADAPTIVE (for all Dolby Surround Pro Logic and Virtual
Surround modes)
10hex
20hex
PASSIVE (for simple surround modes)
EFFECT (used for special effects and monophonic
signals)
bit[7:4]
Surround Reproduction
0hex REAR_SPEAKER: The surround signal is reproduced by a
SUR_REPRO
rear speaker.
3hex
FRONT_SPEAKER: The surround signal is redirected to
the front channels. There is no physical rear speaker con-
nected.
5hex
PANORAMA: The surround signal is processed and redi-
rected to the left and right front speakers in order to create
the illusion of a virtual rear speaker, although no physical
rear speaker is connected.
6hex
3D-PANORAMA: The surround signal is processed and
redirected to the left and right front speakers in order to
create the illusion of a virtual rear speaker, although no
physical rear speaker is connected.
C_MODE
bit[3:0]
Center Mode
0hex
1hex
2hex
3hex
PHANTOM mode (no Center speaker connected)
NORMAL mode (small Center speaker)
WIDE mode (large Center speaker)
OFF mode (Center output of the Surround Decoder is
discarded. Useful only in special effect modes)
44
Micronas
MICRONAS [ MICRONAS ]
