Bộ Điều Chế DVB-T Dexin NDS3544MD

Input

12 HD-SDI inputs with CC

1 DVB-C (ATSC optional) Tuner for re-mux, F type interface

512 IP input over UDP and RTP, DATA1, RJ45—DVB-C RF out

256 IP input over UDP and RTP, DATA1, RJ45—DVB-T/ATSC RF out

192 IP input over UDP and RTP, DATA1, RJ45—ISDB RF out

Video

Resolution

Input

1920*1080_60p, 1920*1080_50p,1920*1080_60i, 1920*1080_50i, 1280*720_60p, 1280*720_50P,

720*480_60i, 720*576_50i

Output

1920*1080_60p, 1920*1080_50p,1920*1080_60i, 1920*1080_50i, 1440*1080_60i, 1440*1080_50i,

1280*720_60p, 1280*720_50P, 720*576_50p,

720*576_50i, 720*576_30p, 720*576_25p,

720*480_60p, 720*480_60i,720*480_30p, 720*480_25p,320*240_60p,320*240_50p,

320*240_30p, 320*240_25p,320*180_60p, 320*180_50p, 320*180_30p, 320*180_25p,

960*540_50i, 704*576_50i,704*480_60i, 640*576_50i

640*480_60i, 544*576_50i,544*480_60i,

Encoding

MPEG2 & MPEG4 AVC/H.264

Bit-rate

0.8~19Mbps for H.264 encoding

1~19Mbps for MPEG-2 encoding

Rate Control

CBR/VBR

GOP Structure

GOP B Frame: 0-3, GOP P Frame: 0-6

Advanced Pretreatment

De-interlacing, noise reduction

Audio

Encoding

MPEG1 Layer II, MPEG2-AAC, MPEG4-AAC,

Dolby Digital AC3 (2.0) encoding (Optional),

AC3 (2.0/5.1) passthrough

Sampling rate

48KHz

Bit-rate

64Kbps-320kbps each channel

Multiplexing

Maximum PID

Remapping

256 input per channel

Function

PID remapping (automatically or manually)

Accurate PCR adjusting

Generate PSI/ SI table automatically

Scrambling

Maximum simulcrypt CA

4

Standard

ETR289, ETSI 101197, ETSI 103197

Connection

Local/remote connection

Modulation

DVB-C

QAM Channel: 16 non-adjacent carriers output (maximum bandwidth 192MHz)

Standard: EN300 429/ITU-T J.83A/B

MER: ≥40db

RF frequency: 50~960MHz, 1KHz step

RF output level: -20~+10dbm, 0.1db step

Symbol Rate: 5.0Msps~7.0Msps, 1ksps stepping

J.83A

J.83B

Constellation

16/32/64/128/256QAM

64/256 QAM

Bandwidth

8M

6M

DVB-T

Standard

EN300744

FFT mode

2K, 4K, 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

≥42 dB

RF frequency

50~960MHz, 1KHz step

RF out

8 non-adjacent carriers output (maximum bandwidth 192MHz)

RF output level

-20~+10 dBm, 0.1db step

ATSC

Standard

ATSC A/53

Bandwidth

6M

Constellation

8VSB

FEC

RS (208 188)+Trellis

MER

≥40dB

ACL

-55 dBc

RF frequency

50~960MHz, 1KHz step

RF out

8 non-adjacent carriers output (maximum bandwidth 192MHz)

RF output level

-20~+10dbm (for all carriers), 0.5db stepping

ISDB-T

Standard

ARIB STD-B31

Bandwidth

6M

Constellation

QPSK, 16QAM, 64QAM

Guard Interval

1/32, 1/16, 1/8, 1/4

Transmission Mode

2K, 4K, 8K

Code rate

1/2, 2/3, 3/4, 5/6, 7/8

MER

≥40dB

RF frequency

50~960MHz, 1KHz step

RF out

6 non-adjacent carriers output (maximum bandwidth 192MHz)

RF output level

-20dBm~+10dBm, 0.1dB stepping

Stream output

1 ASI output as mirror of one of RF output carriers

16 MPTS output over UDP and RTP/RTSP as mirror of 16 DVB-C carriers,

8 MPTS output over UDP and RTP/RTSP as mirror of 8 DVB-T/ATSC carriers (Optional)

6 MPTS output over UDP and RTP/RTSP as mirror of 6 ISDB-T carriers (Optional)

1*1000M Base-T Ethernet interface

System function

Network management (WEB)

Chinese and English language

Ethernet software upgrade

Miscellaneous

Dimension (W×L×H)

482mm×440mm×44mm

Environment

0~45℃ (work)；-20~80℃（Storage）

Power requirements  

AC 110V± 10%, 50/60Hz, AC 220 ± 10%, 50/60Hz

IP input

IP output

RF carriers

Scrambling

DVB-C

512

16

16

√

DVB-T

256

8

8

×

ATSC

256

8

8

×

ISDB-T

192

6

6

×