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Help CenterSFT3548B H.264 & Mpeg2 Encoding Modulator,8 CVBS to DVB-C RF Output Encoder Modulator
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Certification:CE|ISO|RoSH
SFT3548B H.264 & Mpeg2 Encoding Modulator,8 CVBS to DVB-C RF output Encoder Modulator
Quick Detail:
l Support 8 CVBS input and 1 ASI Input for re-mux
l Support H.264 & Mpeg2 video encoding
l Support PAL, NTSC SD signal
l MPEG1 Audio Layer 2 & LC-AAC audio encoding
l Support VBR/CBR video encoding
l Support Low Latency function
l DVB-C RF output compliant with J.83A/B/C
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
Description:
SFT3548B 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 signals and 1 ASI input to DVB-C 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 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
.
Specifications:
|
Input |
8 CVBS inputs , BNC interface |
|
|
8 pairs unbalanced stereo audio input, BNC interface |
||
|
1 ASI input, BNC interface |
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Video |
Resolution |
PAL:720*576i; NTSC: 720*480i |
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Encoding |
MPEG-2; H.264 |
|
|
Bit-rate |
0.5~15Mbps for H.264 encoding 1~15Mbps for MPEG-2 encoding |
|
|
Rate Control |
CBR/VBR |
|
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Aspect Ratio |
4:3, 16:9 |
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Advanced Pretreatment |
De-interlacing, Noise Reduction, Sharpening |
|
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Audio |
Encoding |
MPEG1 Audio Layer 2; LC-AAC |
|
Sampling rate |
48KHz |
|
|
Bit-rate |
32Kb/s~384Kb/s for LC-AAC encoding (each channel); 64Kb/s~384Kb/s for Mpeg1 layer 2 encoding (each channel) |
|
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Modulation |
Standard |
J.83A, J.83B, J.83C |
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MER |
≥42dB |
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RF frequency |
30~950MHz, 1KHz step |
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RF output level |
-30.0~ 0.0 dbm (77~107 dbµV), 0.1db step |
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Symbol rate |
2.5 – 4.66 Msps, 5.0 - 8.0 Msps |
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J.83A |
Constellation |
16/32/64/128/256QAM |
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bandwidth |
8M |
|
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J.83B |
Constellation |
64QAM, 256QAM |
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bandwidth |
6M |
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J.83C |
Constellation |
64QAM, 256QAM |
|
Bandwidth |
6M |
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|
Multiplexing |
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