Bộ Điều Chế DVB-T Dexin NDS3542B chuyển tín hiệu CVBS/HDMI/YPbPr/ASI/RF sang IP/ASI/RF chuẩn DVB-T/C/ATSC/ISDB-T
NDS3542B series products are DEXIN’s all-in-one devices which integrate encoding (MPEG-2, MPEG-4/AVC H.264) and modulation to convert HDMI/YPbPr /CVBS (Pr in) signals etc to digital RF output.
To meet customers’ various requirements, NDS3542B is also equipped with 1 ASI input, and output with 2 ASI ports and 1 IP port.
The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. Its output signals are to be received by TVs, STB and etc with corresponding standard.
Dexin NDS3542B series products are wildly used in public places such as metro, market hall, theatre, hotels, restaurants and etc for advertising, monitoring, training and educating in company, schools, campuses, hospital… It’s a good choice to offer HD channels and more.
FEATURES
MPEG2 HD & MPEG4 AVC H.264 HD video encoding
DD AC3 2.0(Optional), MPEG4-AAC, MPEG2-AAC, MPEG1 Layer II audio encoding
Support DD AC3 (2.0/5.1/7.1) passthrough (for HDMI interface only)
4* HDMI/YPbPr/CVBS (Pr in) channels in
1*ASI in for re-mux; 1*RF in for RF mix
2*DVB-T RF out (4* DVB-C,2*ISDB-T,4*ATSC RF out optional); ASI out; IP out
Support EAS control for DVB-C and ATSC RF out--Optional
Support CC (Closed Caption) EIA608, (from CVBS source only)
Support Low Delay
LCN (Logical Channel Number) support
VCT (Virtual Channel Table) support— for DVB-C and ATSC
Excellent modulation quality
LCD display, Remote control and firmware
Web-based NMS management; Updates via web
Encoding Section |
|
Video (HDMI) |
|
Encoding |
MPEG2; MPEG4 AVC/H.264 |
Interface |
HDMI*4 |
Resolution |
1920*1080_60P, 1920*1080_50P (For MPEG 4 AVC/H.264 only), 1920*1080_60i, 1920*1080_50i, 1280*720_60p, 1280*720_50P |
Low Delay |
Normal, Mode 1, Mode 2 |
Aspect Ratio |
4:3; 16:9 |
Audio (HDMI) |
|
Encoding |
MPEG1 Layer II; MPEG2-AAC; MPEG4-AAC; DD AC3 (2.0) Optional; DD AC3 (2.0/5.1/7.1) passthrough |
Interface |
HDMI*4 /SPDIF*4 |
Sample rate |
48KHz |
Bit rate |
64/96/128/ 192/256/320kbps |
Video (CVBS/YPbPr) |
|
Encoding |
MPEG2; MPEG4 AVC/H.264 |
Interface |
CVBS/YPbPr*4 (RCA) |
Resolution |
CVBS: 720*576_50i, 720*480_60i YPbPr:1920*1080_60i, 1920*1080_50i; 1280*720_60p, 1280*720_50P |
Audio (L/R) |
|
Encoding |
MPEG1 Layer II; MPEG2-AAC; MPEG4-AAC; DD AC3 (2.0) Optional |
Interface |
4*Stereo/8*mono/4*SPDIF |
Sample rate |
48KHz |
Bit rate |
64/96/128/ 192/256/320kbps |
DVB-T Modulator Section (Option) |
|
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 |
COFDM DVB-T out (2 carriers combined out) |
RF output level |
-30~ -10dbm (81~97 dbµV), 0.1db step |
DVB-C Modulator Section (Option) |
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Standard |
J.83A (DVB-C), J.83B, J.83C |
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MER |
≥43dB |
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RF frequency |
30~960MHz, 1KHz step |
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RF output level |
-30~ -10dbm (77~97 dbµV), 0.1db step |
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Symbol rate |
5.000~9.000Msps adjustable |
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RF Out |
4*DVB-C adjacent carriers combined output |
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|
J.83A |
J.83B |
J.83C |
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Constellation |
16/32/64/128/ 256 QAM |
64/ 256 QAM |
64/ 256 QAM |
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Bandwidth |
8M |
6M |
6M |
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ISDB-T Modulator Section (Option) |
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Standard ARIB STD-B31 |
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Constellation DQPSK,QPSK, 16QAM, 64QAM |
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Guard Interval 1/32, 1/16, 1/8, 1/4 |
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Transmission Mode 2K, 4K, 8K |
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Guard Interval 1/32, 1/16, 1/8, 1/4 |
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Code rate 1/2, 3/4, 5/6, 7/8 |
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RF frequency 30~999MHz, 1KHz step |
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ATSC Modulator Section (Option) |
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Standard |
ATSC A/53 |
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Constellation |
8 VSB |
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RF output level |
-30~ -10dbm (77~97 dbµV), 0.1db step |
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MER |
≥42dB |
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RF frequency |
30~999MHz, 1KHz step |
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System |
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Local interface |
LCD + control buttons |
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Remote management |
Web NMS |
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Stream Out |
2 ASI mirrored out (BNC type, 100M); IP (4 SPTS+1 MPTS) over UDP, RTP/RTSP out, RJ45, 100M (MPTS is available for DVB-C/ATSC out versions) |
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NMS interface |
RJ45, 100M |
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Language |
English |
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General |
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Power supply |
AC 100V~240V |
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Dimensions |
482*400*44mm |
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Weight |
4.5 kg |
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Operation temperature |
0~45℃ |
Bộ Điều Chế DVB-T Dexin NDS3542B