- Product Details
- {{item.text}}
Quick Details
-
input:
-
8 HDMI in , ASI in
-
output:
-
DVB-C QAM out , IP out, ASI out
-
encoding:
-
MPEG4/AVC H.264 HD
-
audio support:
-
MPEG-1 Layer 2 (HE-AAC V2, LC- AAC Option)
-
management:
-
web NMS
-
channel number:
-
digital modulator with 8 HDMI in
Quick Details
-
Place of Origin:
-
Sichuan, China
-
Brand Name:
-
Dexin
-
Model Number:
-
NDS3548H
-
input:
-
8 HDMI in , ASI in
-
output:
-
DVB-C QAM out , IP out, ASI out
-
encoding:
-
MPEG4/AVC H.264 HD
-
audio support:
-
MPEG-1 Layer 2 (HE-AAC V2, LC- AAC Option)
-
management:
-
web NMS
-
channel number:
-
digital modulator with 8 HDMI in
Dexin NDS3548H digital modulator with 8 HDMI in
Product Overview
NDS3548H 8 in 1 Encoder/Modulator is an all-in-one device integrated encoding (MPEG-4/AVC H.264) multiplexing and modulation functions in one standard 1U case. It can convert 8 HDMI signals and 1 ASI input to 4 DVB-C RF out in the frequency range of 30~999MHz. It is also equipped with 2 ASI ports and IP port to output TS in 4* MPTS.
The signals source could be from satellite receivers, closed-circuit television cameras and etc. its output signal is to be received by DVB-C standard TVs or DVB-C STBs.
The device can be used in public place such as metro, market hall, theatre, hotels, resorts, etc for advertising. It also can be used for monitoring, training and educating in company, schools, campuses, hospital
Key Features
l Support 8 HDMI channels input & 1 ASI Input
l Support H.264/AVC video encoding
l Support MPEG1 Layer 2 (HE-AAC (V2), LC -AAC optional) audio encoding
l Support PSI/SI editing and inserting
l Support accurate PCR adjusting
l PID remapping and passthrough
l Support VBR/CBR video bitrate mode
l Support 720P, 1080I, 1080P HD video format
l Support IP(1000M) Output 4 MPTS over UDP/RTP
l 4*DVB-C RF output
l Support IP null packet filter
l Real-time output bit-rate monitoring
l Update device through NMS port
Support LCD / keyboard operating, and network management (SNMP)
Working Principle
Technical Specification
|
Input |
8×HDMI inputs |
|||
|
1 ASI input, BNC interface |
||||
|
Video |
Resolution |
1920×1080_60P,1920×1080_50P |
||
|
1920×1080_60i, 1920×1080_50i |
||||
|
1280×720_60P, 1280×720 _50P |
||||
|
720×576_50i, 720×480_60i |
||||
|
Encoding |
MPEG-4 AVC/H.264 |
|||
|
Bit-rate |
0.8Mbps~19Mbps (each channel) |
|||
|
Rate Control |
CBR/VBR |
|||
|
GOP Structure |
IBBP |
|||
|
Advanced Pretreatment |
De-interlacing, Noise Reduction, Sharpening |
|||
|
Audio |
Encoding |
MPEG-1 Layer 2 (HE-AAC V2, LC- AAC Option) |
||
|
Sampling rate |
48KHz |
|||
|
Bit-rate |
64Kbps~384Kbps each channel |
|||
|
Multiplexing |
1 ASI input multiplexed with local 8 channels of TS |
|||
|
PID remapping (automatically or manually) |
||||
|
Accurate PCR adjusting |
||||
|
Generate PSI/SI table automatically |
||||
|
Modulator Section
|
Standard |
J.83A, J.83B, J.83C |
||
|
MER |
≥42dB |
|||
|
RF frequency |
30~999MHz, 1KHz step |
|||
|
RF output level |
-30.0~ -10.0 dbm (77~97 dbµV), 0.1db step |
|||
|
Symbol rate |
5.0 - 9.0 Msps |
|||
|
J.83A |
Constellation |
16/32/64/128/256QAM |
||
|
bandwidth |
8M |
|||
|
J.83B |
Constellation |
64QAM, 256QAM |
||
|
bandwidth |
6M |
|||
|
J.83C |
Constellation |
64QAM, 256QAM |
||
|
Bandwidth |
6M |
|||
|
Stream output |
2*ASI to mirror one MPTS output, BNC interface |
|||
|
4 MPTS over UDP/RTP, 1000Base-T Ethernet interface (unicast / multicast) |
||||
|
System function |
LCD/keyboard operating, NMS supporting |
|||
|
Ethernet software & hardware upgrade |
||||
|
Miscellaneous |
Dimension (W× L× H) |
482mm×455mm×44mm |
||
|
Approx weight |
4kg |
|||
|
Temperature |
0~45 ℃ (work), -20~80 ℃ ( Storage ) |
|||
|
Power |
AC 100V-220V±10%, 50/60Hz |
|||
|
Consumption |
25W |
|||
