NameOTV-EM24 4/8/12/16/20/24 Ch HDMI To RF Modulator
Brand Name:Dibview
Model Name:OTV-EM24
Product Name:HDMI to DVB-C/T/ATSC-T/ISDB-T/Tb RF output
Input:4/8/12/16/20/24HDMI+2independent ASI+IP
Output:24SPTS/1MPTS,2ASI, 4/8RF DVB-T/C/ATSC-T/ISDB-T/Tb/DTMB for Option
Encoding:MPEG-4 AVC/H.264 Video Encoding and MPEG-1 Layer 2, AAC audio encoding
Providing:PID, PSI/SI compilation and LCN setting
Capability 01:IP empty packet filtering capability
Application:Various of DTV Broadcasting Systems
Capability 02:Encoding, Multiplexing, Encapsulation and Modulator
Management:Front panel and browser via Ethernet interface/NMS
GOP Structure:IPPPP (P Frame for adjustment, without B Frame )

Product Description

Overview: 


OTV-EM24 4/8/12/16/20/24 Channel HDMI To RF Modulator up to 24 HDMI sources from Satellite Receiver, PC, Blue ray, Local Playout, the latest new device which integrate encoding (MPEG-4 AVC/H.264) and option modulation (DVB-C/ DVB-T/ISDB-T/ATSC/DTMB)  to convert Video/Audio signals into RF over exist Coax Cable distribution. 


OTV- EM24 is designed especially for high density Distribution Video Engineering project, which can support rapid deployment, It distribute any HD and SD of HDMI Clear Video to unlimited TVs over the existing TV coax cables with real time perfect quality at any distance. 


Overall Dibview 's encoder modulators perfectly suit any professional AV company, including TV Channels, Live broadcasters, AV Installers and Integrators, Government applications, Hotel, Campus, Entertainment facilities, education broadcasting systems at schools and government buildings and many others. 


OTV-EM24 can be used in some of the most famous ballparks in the world, this is an ideal solution for environments where you have a large number of displays, such as stadiums, entertainment facilities, or broadcast environment. This Video Modulator is designed especially for high channel density environments where Rapid deployment, Easy management and compatibility are critical. 


Key Features: 


  • 4/8/12/16/20/24 HDMI input, MPEG-4 AVC/H.264 Video encoding 

  • Distribute Up to 8/12/16/20/24 channels of HD content over RF (DVB-T/DVB- C/DTMB/ISDB-T/ATSC) to an unlimited number of TVs 

  • Optional DVB-C (QAM), DVB-T (COFDM), ATSC-T, ISDB-T, DTMB Modulation, 4*Carrier RF Out 

  • Simultaneously MPTS and SPTS over UDP/RTP IP out 

  • Two separate ASI input for External TS Multiplexing 

  • Audio gain adjustment supported 

  • 4 separate multiplexing and Up-converter modulating adjacent carrier out 

  • Selectable the Value of PCR PID same as Video PID 

  • PID Remapping & Filtering 

  • Support PCR correct and PCR interval adjusting 

  • Superior Shoulders and Excellent modulation quality MER 

  • Low power consumption and high reliability with MTBF(Mean Time Between Failure) ≤87600 Hours 

  • Easy-to-use System Management via Web 


Technique Specifications:


Item

Description

Encoding HDMI Inputs 

Numbers of Boards: 4 HDMI ports per module, up to 6 Modules in Back panel

Numbers of Ports: 4, 8,12,16,20,24 Channels

DVB-ASI Inputs

Connector: BNC female, 75Ω

Signal Level: 200-800mVp-p

Packet Length: 188 bytes

Maximum bit-rate per port≤100Mbps

Number of Input Ports: Dual separate ASI ports

Video Processing

Input Resolution:

1920×1080@60P, 1920×1080@60i,

1920×1080@50P, 1920×1080@50i,

1280×720@60P, 1280×720@50P

720×576@50i,720×480@60i

 

Output Resolution:

1920×1080@30P,1920×1080@25P,

1280×720@30P, 1280×720@25P,

720×576@25P,720×480@30P

 

Encoding: MPEG-4 AVC/H.264

Bit-rate:1Mbps~13Mbps

Rate Control: CBR,VBR

Audio Processing

Encoding: MPEG-1 Layer 2

Sampling rate: 48KHz

Resolution: 24-bit

Bit-rate: 64kbps, 128Kbps, 192kbps, 224kbps,256kbps, 320kbps, 384kbps

Audio Gain: 0-255

Multiplexing

Maximum PID Remapping 180 input per channel

PID remapping by automatically or manually

PSI/SI SDI/PMT/TOT/PAT/BAT/CAT/TDT/NIT Insert        

Accurate PCR adjusting

Max Numbers: 4 mux for RF and 1 Mux for MPTS IP out in Modulation

4 Mpts IP out In Tuners gateway

RF Modulation

Connector: 1 Port, F-Type, 75

Output Return Loss: 14 dB

MER: ≥40dB

RF output level: -30 ~ -10dbm,0.1db step

RF frequency: 47-860Mhz, 1KHz step

Numbers of RF Channel: 4

Modulation Mode: DVB-C, DVB-T, ATSC, ISDB-T, DTMB

DVB-T 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 

DVB-C Standard J83.A (DVB-C, J83.B, J83.C)

Constellation(QAM)

Annex A

Annex B

Annex C

Bandwidth(Mhz)

16,32,64,128, 256

64

256

64/256

Symbol Rate(Mbaud)

8

6

6

6

Constellation(QAM)

5-7

5.057

5.361

4.2-5.3

Constellation(QAM)

16,32,64,128, 256

64

256

64/256

ISDB-T Standard ARIB STD-B31

Constellation: DQPSK, QPSK, 16QAM, 64QAM

Guard Interval: 1/32, 1/16, 1/8, 1/4

Transmission Mode: 2K, 4K, 8K

Guard Interval: 1/32, 1/16, 1/8, 1/4

Code rate: 1/2, 3/4, 5/6, 7/8

Bandwidth: 6Mhz 

ATSC-T Standard 6Mhz ATSC A/53

Constellation: 8 VSB   

DTMB Standard 6Mhz GB20600-2006

Constellation: 4QAM, 16QAM, 32QAM, 64QAM

Code rate: 0.4, 0.6, 0.8

Guard Interval: 420, 595, 945

Stream Output

DVB-ASI:

2 Separate ASI, (Select from modulation Channels or MPTS channel)

75Ω, BNC, 188Bytes

MPEG-2 TS over DVB-ASI (EN 50083-9)

 

RJ45 Port    

100/1000M GbE Port

Simultaneous output with N*SPTS (from HD MI channels) and 1*MPTS ( modulation or MPTS channels)

MPEG-2 TS over UDP, unicast, and multicast streaming

MPEG-2 TS over RTP/RTSP

Configurable packet size(2-7)x188Bytes

Filter Null Packet   

Total Bitrate: 1-200Mbps (Should be More than Encoding bitrate)

Management

LCD/keyboard, Web/NMS management, remote upgrading

The Working Environment

Voltage: 100 to 120/200 to 240V AC ±10%; 50/60Hz
Consumption: 60W
Operating temperature: 0 ~ 45℃
Storage temperature: -20 ~ 80℃
Relative humidity: 10%~90%(non-condensing)
Dimensions: 482mm(W)×380(D)mm×45mm(H)(19inch,1RU)
Weight: 5.8 KGS


Application:


HDTV Distribution

Public Broadcasting

Home Entertainment 

Lobby and Rest Room  

Hotel and Hospital TV

Airport, Railway Station

Apartment, Private House

Campus TV and Live Sports

Highway and Railway Mobile Device

Various of DTV Broadcasting Systems

Industrial Monitoring and HD Surveillance

Museum, Theater and Cinema, Gymnasium

IPTV System Restaurant, Yacht, Club and Resort

HDTV Distribution Advertisement in Square and so on


Application 01.jpg

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