Home > Products > encoder modulator > NDS3548B MPEG2/MPEG4 8 channels catv modulator
NDS3548B MPEG2/MPEG4 8 channels catv modulator
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Product Details
Place of Origin: | Sichuan, China | Brand Name: | Dexin | Model Number: | NDS3548B |
Product Description
NDS3548B MPEG2/MPEG4 8 channels catv modulator
Product Overview
NDS3548B 8 in 1 Encoder/Modulator is an all-in-one device integrated encoding, multiplexing and modulation functions in one standard 1U case. It can convert 8 CVBS or 8 SDI signals and 1 ASI input to DVB-C or ATSC-T RF out in the frequency range of 30~950MHz. It is also equipped with 2 ASI ports and IP port to output TS in MPTS or SPTS.
The signals source could be from satellite receivers, closed-circuit television cameras and etc. its output signal is to be received by DVB-C or ATSC-T standard TVs or DVB-C or ATSC-T 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 AV (CVBS or SDI optional) input and 1 ASI Input for re-mux
l H.264 and Mpeg2 video encoding
l Support 720*576i and 720*480i SD signal
l MPEG1 Audio Layer 2 & LC-AAC & HE-AAC (AC3 optional) audio encoding
l Support VBR/CBR video encoding
l Support Low Latency function
l ATSC-T (DVB-T/DVB-C optional) RF output
l Supports MPTS or 8 SPTS IP (UDP, RTP/RTSP) Output
l Supports IP null packet filter
l Excellent modulation quality
l LCD / keyboard and web NMS operation
l Update device through NMS port
Technical Specification
Input | 8 CVBS (or HDSDI) input, BNC interface | |||
8 pairs unbalanced stereo audio input, BNC interface | ||||
1 ASI input, BNC interface | ||||
Video | Resolution | PAL:720*576i; NTSC: 720*480i | ||
Encoding | MPEG-2; H.264 | |||
Bit-rate | 0.5~15Mbps for H.264 encoding 1~15Mbps for MPEG-2 encoding | |||
Rate Control | CBR/VBR | |||
Aspect Ratio | 4:3, 16:9 | |||
Advanced Pretreatment | De-interlacing, Noise Reduction, Sharpening | |||
Audio | Encoding | MPEG1 Audio Layer 2; LC-AAC; HE-AAC; DD AC3 (Optional) | ||
Sampling rate | 48KHz | |||
Bit-rate | 32Kb/s~384Kb/s (LC-AAC or HE-AAC) 64Kb/s~384Kb/s (MPEG1 Audio Layer 2) | |||
ATSC Modulator Section | Standard | ATSC A/53 | ||
Constellation | 8 VSB | |||
RF Output Level | 26~-10dbm (81~97dbµV), 0.1db step | |||
MER | ≥42dB | |||
RF frequency | 30~960MHz, 1KHz step | |||
DVB-T Modulator Section | Standard | EN300744 | ||
FFT mode | 2K, 8K | |||
Bandwidth | 6M, 7M, 8M | |||
Constellation | QPSK, 16QAM, 64QAM | |||
Guard Interval | 1/4, 1/8, 1/16, 1/32 | |||
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 | |||
MER | ≥42Db | |||
RF frequency | 30~960MHz, 1KHz step | |||
RF out | 2*RF COFDM DVB-T out (2 carriers combined output); Double output bandwidth | |||
RF output level | -30~ -10dbm (77~97 dbµV), 0.1db step | |||
DVB-C Modulator Section | Standard | J.83A, J.83B, J.83C | ||
MER | ≥42dB | |||
RF frequency | 30~950MHz, 1KHz step | |||
RF output level | -30.0~ 0.0 dbm (77~107 dbµV), 0.1db step | |||
Symbol rate | 2.5 – 4.66 Msps, 5.0 - 8.0 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 | |||
Multiplexing | 1 ASI input multiplexed with local 8 channels of TS | |||
Stream Output | 2*ASI output, BNC interface | |||
MPTS/8*SPTS over UDP or RTP/RTSP, 100Base-T Ethernet interface (UDP/RTP/RTSP unicast / multicast) | ||||
System Function | Low Latency achieved (Normal, mode 1 and mode 2 optional) | |||
LCD/keyboard and Web-based NMS operating | ||||
System Language: English | ||||
Ethernet software & hardware upgrade | ||||
Miscellaneous | Dimension (W× L× H) | 482mm×410mm×44mm | ||
Approx weight | 4kg | |||
Temperature | 0~45℃(work), -20~80℃(Storage) | |||
Power | AC 100V-220V±10%, 50/60Hz | |||
Consumption | 25W |
Contact Us
- Dexin Digital Technology Corp. Ltd. (Chengdu)
- Contact namedaisy Lee
- Phone86-28-85558928 85550524
- AddressNo.10 & No.12, Wuxing Fourth Road, Wuhou District, Chengdu, China Chengdu,Sichuan
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