Overview
DMB-9581E Encoder/Modulator: All-in-One Professional Digital Broadcasting Solution
The DMB-9581E Encoder/Modulator is a high-performance, integrated broadcasting device that integrates three core functions-MPEG-4/AVC H.264 encoding, multi-stream multiplexing, and RF modulation-into a single standard 1U rack-mount chassis. This all-in-one design eliminates the need for separate encoding, multiplexing, and modulation equipment, streamlining the broadcasting workflow, reducing equipment investment, and enhancing operational efficiency for both commercial and professional broadcasting scenarios.
Unlike traditional split-type broadcasting devices that require multiple separate units for encoding, multiplexing, and modulation, the DMB-9581E combines all three key functions in one compact 1U case. This not only saves valuable rack space but also minimizes signal loss and transmission delay caused by connecting multiple devices, ensuring stable and high-quality signal output for various broadcasting needs.
In terms of input capabilities, the DMB-9581E offers exceptional flexibility to accommodate diverse signal sources, supporting three types of input modes to meet different application requirements:
HDMI Input: Supports 8, 12, 16, 20, or 24 HDMI signals, enabling direct conversion of baseband video content into digital streams for further processing.
IP Input: Compatible with IP-based video streams, allowing seamless integration with network-based content delivery systems.
ASI Input: Equipped with 2 independent ASI input ports, enabling connection to traditional broadcast equipment and ensuring compatibility with legacy signal sources.
For output performance, the DMB-9581E provides comprehensive and configurable options to adapt to global regional broadcasting standards:
RF Output: Supports a wide frequency range of 50~960MHz, and is compatible with multiple modulation standards including DVB-C (cable broadcasting), DVB-T (terrestrial broadcasting), as well as ISDB-T and ATSC standards, meeting the needs of different regional broadcasting requirements.
TS Output: Equipped with 2 independent ASI output ports and 1 IP output port, which can directly output TS (Transport Stream) signals. This design allows flexible switching between different transmission modes, whether it is traditional coaxial cable transmission or modern IP-based distribution.
The DMB-9581E's integrated design and multi-standard compatibility make it an ideal choice for a variety of broadcasting scenarios, including hotel IPTV systems, enterprise internal video distribution, community digital TV networks, and temporary broadcast setups. It simplifies the front-end broadcasting structure, reduces maintenance costs, and ensures stable and efficient signal transmission, effectively solving the pain points of complex equipment connection and difficult management in traditional broadcasting systems.
Features:
Encoder&Modulator&Multiplexer ALL IN ONE---not only hdmi input, also support 128*MPTS/SPTS UDP/IP+2*ASI input,RF out can from HDMI,IP,ASI any source, IP output 127*SPTS over IP(UDP/RTP),1/8*MPTS, 2*ASI(independent) out, RF out with 4/8/16*RF DVB-T/ATSC-T/ISDB-T/Tb/DTMB or 16/32*RF DVB-C for option.( when ISDB-T RF output only 1*ASI input, ISDB-T output only 2K mode,don't support 4K and 8K)
Compatible with a variety of signal sources---Mixed HDMI+Tuner(DVB-SS2/C/TT2/ISDB-T/ATSC) input,for example 16 HDMI+8*Tuners(frequency)
Flexible use of frequency points--bandwidth range 768 Mhz,frequency points can be used flexible within bandwidth range(when 16*RF out)
Multi-Carriers Version option---4/8/16 DVB-T/C/ATSC/ISDB-T out or 32 QAM DVB-C out option accordingly the programs channels quantity.
Application
Various of DTV/CATV Broadcasting Systems
Distribute IP source,HDMI programs source to All TVs over existing TV coax
Advertising, monitoring, training and educating
Upgrade all your analog Head-ends to digital TV Solution
Enterprise, hotel, campus, hospital, restaurant, public place etc
Works with Digital TV transmitter in wireless TV broadcasting
Low cost Digital TV distribution
Hot Tags: video rf modulator, China video rf modulator manufacturers, suppliers, factory, HDMI Modulator, HDMI To RF Converter, hdmi to rf modulator, Modulator HDMI, TV Modulator HDMI
Technical Specifications
Video Specifications
Video compression: MPEG-4 AVC/H.264
Video inputs: Version 1: 4/8/12/16/20/24*HDMI for option
Version 2: HDMI+Tuner Mixed input
The 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
The Output Resolution(Max 1080P@60 FPS):
1920×1080@60P,1920×1080@50P,1920×1080@30P,1920×1080@25P, 1280×720@30P,1280×720@25P, 720×576@25P, 720×480@30P
Bit-rate: 1 ~ 13Mbps, CBR/VBR
GOP Structure: IPPPP (P Frame for adjustment, without B Frame)
Audio Specifications
Encoding: MPEG-1 Layer 2
Sampling rate: 48KHz
Resolution: 24-bit
Bit-rate : 64kbps, 128Kbps, 192kbps, 224kbps, 256kbps, 320kbps, 384kbps
Audio Gain: 0-255
Inputs and Outputs
ASI Input/output
Channel: 2*ASI(Independent) input and 2*ASI output
Interface: BNC, 75 ohm
Signal level 200-800mVp-p
Packet length: 188 bytes
Maximum bit-rate: per port ≤100Mbps
Packet mode: Byte mode
IP Input and Output
RJ45 Port, 100/1000M GigE Port
Simultaneous output with 127*SPTS + 1*MPTS (4*RF Output)/ 8*MPTS (8*RF / 16*RF DVB-C Output)
TS over RTP, UDP unicast and multicast streaming
Configurable packet size(2-7)x188Bytes
Filter Null Packet
Total Bitrate: 1-200Mbps (Should be More than Encoding bitrate)
Modulation (4/8/16*RF DVB-T/ATSC/ISDB-T or 16/32 DVB-C out for option)
Connector: 1 Port, F-Type, 75Ω
Output Return Loss: 14 dB
MER ≥40dB
RF output level: -20 ~ 0dbm, 0.1db step
Numbers of RF Channel: 4/8/16
Modulation Mode: DVB-C, DVB-T, ATSC, ISDB-T, DTMB option
DVB-T Modulation
Channel: DVB-T adjacent frequencies
Modulation standard: EN300744
Frequency range:50-960Mhz,1Khz one step
Modulation standard: EN300744
Bandwidth: 6M, 7M, 8M
FFT mode: 2K, 8K
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
TS bit rate < 31 Mbit/s
ATSC-T Modulation
Channel: 8VSB adjacent frequencies
Constellation: 8VSB
Frequency range:50-960Mhz,1Khz one step
Constellation: 8VSB
TS bit rate <19 Mbit/s
MER≧40 dB
DVB-C Modulation(16 or 32 DVB-C out option)
16* DVB-C Output Modulation
Channel: 16*DVB-C adjacent frequency RF out
Frequency range:50~960MHz,1Khz one step
Bandwidth range 192 Mhz between start frequency and end frequency,set 16 frequency within 192 Mhz bandwidth range
MER≥40 dB
symbol rate:5~7Mbaud
total output level adjustment -35~-5dBm by 0.1 dB step
DVB-C Standard J83.A (DVB-C, J83.B, J83.C)
Constellation (QAM):16,32,64,128, 256
|
Carrier |
Annex A |
Annex B |
Annex C |
|
|
Constellation (QAM) |
16,32,64,128, 256 |
64 |
256 |
64/256 |
|
Bandwidth (Mhz) |
8 |
6 |
6 |
6 |
|
Symbol Rate ( Mbaud) |
5-7 |
5.057 |
5.361 |
4.2-5.3 |
32* DVB-C Output Modulation
Channel:32*DVB-C non-adjacent frequency RF out
Frequency range:96~864MHz,1Khz one step
bandwidth range 768 Mhz,frequency points can be used flexible within bandwidth range
MER≥40 dB
symbol rate:5~7Mbaud
total output level adjustment -35~-5dBm by 0.1 dB step
DVB-C Standard J83.A (DVB-C, J83.B, J83.C)
|
Carrier |
Annex A |
Annex B |
Annex C |
|
|
Constellation (QAM) |
16,32,64,128, 256 |
64 |
256 |
64/256 |
|
Bandwidth (Mhz) |
8 |
6 |
6 |
6 |
|
Symbol Rate ( Mbaud) |
5-7 |
5.057 |
5.361 |
4.2-5.3 |
ISDB-T Modulation
Channel: ISDB-T frequency
when ISDB-T RF output only 1*ASI input,
Frequency range: 50-960Mhz,1Khz one step
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(when 4*ISDB-T out, Mode only support 2*K, when 8/16*ISDB-T out,support 2K,4K,8K option)
Code rate:1/2, 3/4, 5/6, 7/8
Bandwidth:6MHz
TS bit rate＜21 Mbit/s
MER≥40 dB
DTMB Standard GB20600-2006
Constellation: 4QAM, 16QAM, 32QAM, 64QAM
Code rate: 0.4, 0.6, 0.8
Guard Interval: 420, 595, 945 IONS
System Management
Connector: 1*RJ-45, 10/100 Base-T interface.
Front panel and web browser via Ethernet interface
Physical and Power
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: 9.6 KGS
FAQ
What's your company type?
DIGICAST is a high-tech enterprise which concentrates on the research, manufacture, sale and engineer service of digital TV headend & broadcasting equipment with more than 10 years history in China
Which kind of product does your company provide?
Our main products including: Digital tv broadcasting headend equipment and system, like headend signal gathering, DVB-S/S2/ATSC/DVB-T /ISDB-T/DVB-C Integrated Receiver Decoder, HD/SD Video Encoder which supports Multiplexing, ASI input & output. Multichannel Tuner input, RF output transmodulator, multichannel HDM to RF output encoder modulator, IP and ASI input, RF with DVB-C,DVB-T, ISDB-T, ATSC optional output modulator, IPTV/OTT solution for hotel, hospital, community application.
How long is your warranty?
Normally Digicast provide five years after sale service with its quality issue and lifetime technical support.
Why do I choose you as our products supplier?
DIGICAST is building up both domestic and overseas markets while making a good contribution to the TV broadcasting industry,which is the domestic first-class of professional video operating system products and technical service providers
Can we get a quote on an item?
Sure, we understand that you may require a quote on each item sometimes. Please email us or call us at info@digicast.cn and we will respond to you with a quote.
How can I get technical support help?
Send us e-mail or use whatsapp to contact the sale service. Our technical support staff will try to answer in a timely manner
