MSP 3410 B
PRELIMINARY DATA SHEET
cessed at the same time as NICAM. Note that the NI-
CAM input signals are only available in the MSP 3410 B
version. While processing the adaptive deemphasis, no
dual carrier stereo (German or Korean) or NICAM pro-
cessing is possible. Identification values are not valid ei-
ther.
operation mode, the MSP 3410 B detects the so-called
identification signal. Information is supplied via the Ste-
reo Detection Register to an external CCU.
Stereo
Level
Detection
Detect
Filter
Stereo
Detection
Register
AM
Demodu-
lation
IDENT
–
4.4. Dual Carrier FM Stereo/Bilingual Detection
Bilingual
Detection
Filter
Level
Detect
In the German and Korean TV standard, audio informa-
tion can be transmitted in three modes: Mono, stereo or
bilingual. To obtain information about the current audio
Fig. 4–4: Stereo/bilingual detection
Bass
Treble
Loudness
Spatial Effects
Prescale
Prescale
Prescale
SCARTL
SCARTR
Loudspeaker L
Loudspeaker R
Volume
Loudspeaker
Channel
Matrix
Analog
Inputs
Loudspeaker
Outputs
Balance
DC level readout FM1
Deemphasis
FM1
FM2
Adaptive
Deemphasis
50/75 µs
J17
Beeper
Volume
FM-Matrix
Demodulated
IF
Inputs
DC level readout FM2
NICAMA
NICAMB
Headphone L
Headphone R
Headphone
Channel
Matrix
Deemphasis
J17
Headphone
Outputs
SBUS1
SBUS2
SCARTL
SCARTR
Volume
SCART
Channel
Matrix
SCART
Outputs
SBUS
Inputs
2
SBUS3
SBUS4
I SL
2
I S
2
I S
Channel
Matrix
Outputs
2
I SR
2
Note: Actually, the source
of the Quasi-Peak Detector
is always the signal of the
loudspeaker channels.
Quasi peak readout L
Quasi peak readout R
I SL
Quasi-Peak
Detector
2
I S Bus
Inputs
2
I SR
NICAMA
Internal signal lines (see fig. 4–2)
Fig. 4–5: Audio baseband processing (DFP-Firmware)
Table 4–1: Some examples for recommended channel assignments for demodulator and audio processing part
Mode
MSP Sound IF-
Channel 1
MSP Sound IF-
Channel 2
FM-
Matrix
Channel-
Select
Channel
Matrix
B/G-Stereo
FM2 (5.74 MHz): 2R
FM1 (5.5 MHz): L+R
B/G Stereo
No Matrix
Speakers: FM
Stereo
B/G-Bilingual
FM2 (5.74 MHz): Sound B
FM1 (5.5 MHz): Sound A
Speakers: FM
H. Phone: FM
Speakers: Sound A
H. Phone: Sound B
NICAM-I-ST/
FM-mono
NICAM (6.552 MHz)
FM (6.0 MHz): mono
FM (6.5 MHz): mono
No Matrix
Speakers: NICAM
H. Phone: FM
Speakers: Stereo
H. Phone: Sound A
Sat-Mono
not used
No Matrix
No Matrix
No Matrix
Speakers: FM
Speakers: FM
Sound A
Stereo
Sat-Stereo
Sat-Bilingual
7.2 MHz: R
7.02 MHz: L
7.38 MHz: Sound C
7.02 MHz: Sound A
6.552 MHz
Speakers: FM
H. Phone: FM
Speakers: Sound A
H. Phone: Sound B=C
Sat-High Dev.
Mode
don’t care
No Matrix
Speakers: FM
H. Phone: FM
Speakers: Sound A
H. Phone: Sound A
12
ITT Semiconductors
MICRONAS [ MICRONAS ]
