參數(shù)資料
型號: MSP3425G
廠商: Electronic Theatre Controls, Inc.
英文描述: MSP 34x5G Multistandard Sound Processor Family
中文描述: 中型34x5G多標準聲音處理器系列
文件頁數(shù): 75/98頁
文件大?。?/td> 1541K
代理商: MSP3425G
PRELIMINARY DATA SHEET
MSP 34x5G
Micronas
75
5.3. BTSC-Sound System
5.4. Japanese FM Stereo System (EIA-J)
Table 5
4:
Key parameters for BTSC-Sound Systems
Aural
Carrier
BTSC-MPX-Components
(L
+
R)
Pilot
(L
R)
SAP
Prof. Ch.
Carrier frequency
(f
hNTSC
= 15.734 kHz)
(f
hPAL
= 15.625 kHz)
4.5 MHz
Baseband
f
h
2 f
h
5 f
h
6.5 f
h
Sound bandwidth in kHz
0.05 - 15
0.05 - 15
0.05 - 12
0.05 - 3.4
Preemphasis
75
μ
s
DBX
DBX
150
μ
s
Max. deviation to Aural Carrier
73 kHz
(total)
25 kHz
1)
5 kHz
50 kHz
1)
15 kHz
3 kHz
Max. Freq. Deviation of Subcarrier
Modulation Type
AM
10 kHz
FM
3 kHz
FM
1)
Sum does not exceed 50 kHz due to interleaving effects
Table 5
5:
Key parameters for Japanese FM-Stereo Sound System EIA-J
Aural
Carrier
FM
EIA-J-MPX-Components
(L
+
R)
(L
R)
Identification
Carrier frequency (f
h
= 15.734 kHz)
4.5 MHz
Baseband
2 f
h
3.5 f
h
Sound bandwidth
0.05 - 15 kHz
0.05 - 15 kHz
Preemphasis
75
μ
s
75
μ
s
none
Max. deviation portion to Aural Carrier
47 kHz
25 kHz
20 kHz
2 kHz
Max. Freq. Deviation of Subcarrier
Modulation Type
10 kHz
FM
60%
AM
Transmitter-sided delay
20
μ
s
0
μ
s
0
μ
s
Mono transmission
L
+
R
unmodulated
Stereo transmission
L
+
R
L
R
982.5 Hz
Bilingual transmission
Language A
Language B
922.5 Hz
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