- Product Details
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Quick Details
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Input:
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8/12/16/20/24 HD
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Output 1:
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IP Output
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Output 2:
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RF Output
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Output 3:
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2 ASI
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Video encoding:
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MPEG-4 AVC/H.264
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Audio encoding:
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MPEG-1 Layer 2
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IP Channels:
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8/12/16/20/24 SPTS/1MPTS
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Modulation:
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4 DVB-C/T/ATSC/ISDB-T
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Protocol:
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Support UDP RTP Multicast Unicast
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Application:
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Digital TV Head-end System
Quick Details
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Place of Origin:
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Zhejiang, China
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Brand Name:
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Dibsys
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Model Number:
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Q312M
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Input:
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8/12/16/20/24 HD
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Output 1:
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IP Output
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Output 2:
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RF Output
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Output 3:
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2 ASI
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Video encoding:
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MPEG-4 AVC/H.264
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Audio encoding:
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MPEG-1 Layer 2
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IP Channels:
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8/12/16/20/24 SPTS/1MPTS
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Modulation:
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4 DVB-C/T/ATSC/ISDB-T
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Protocol:
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Support UDP RTP Multicast Unicast
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Application:
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Digital TV Head-end System
Kindly Notice If you are placing order in this link directly,the product is 12-channel H.264 HD To DVB-T Modulator that we will ship out.
If you are looking for products with DVB-C/ATSC/ISDB-T,please feel free to contact us for instruction.
Skype: dibsys0801 Whatsapp:+86 15868822325
- 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
- Two separate ASI input for External TS Multiplexing
- Simulaneously MPTS and SPTS over UDP/RTP IP out
- Audio gain adjustment supported
- 4 separate multiplexing and Up-converter modulating adjacent carrier out
- Selectable the Value of PCR PID same as Video PID
- VBR and CBR mode
- LCN (Logical Channel Number) support
- PSI/SI editing & inserting
- 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
- Low Cost per channel - Breakthrough Price !
Application
- Distribute IP 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, Public Place
- Works with Digital TV transmitter in wireless TV broadcasting
- Low cost Digital TV distribution
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Encoder Part |
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HD inputs |
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Numbers of Boards |
4 HD ports per module Up to 6 Modules in Back panel |
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Numbers of Ports |
8; 12; 16; 20; 24 Channels |
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DVB-ASI inputs |
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Connector |
BNC female, 75Ω |
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Signal Level |
200-800mVp-p |
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Packet Length |
188 bytes |
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Maximum bit-rate per port |
≤100Mbps |
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Number of Input Ports |
Dual separate ASI ports |
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Video Processing |
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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 |
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Output Resolution |
1920×1080@30P, 1920×1080@25P, 1280×720@30P, 1280×720@25P, 720×576@25P,720×480@30P |
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Encoding |
MPEG-4 AVC/H.264 |
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Bit-rate |
1Mbps~13Mbps |
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Rate Control |
CBR,VBR |
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GOP Structure |
IPPPP (P Frame adjustment, without B Frame ) |
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Audio Processing |
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Encoding |
MPEG-1 Layer 2 |
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Sampling rate |
48KHz |
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Resolution |
24-bit |
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Bit-rate |
64kbps, 128Kbps, 192kbps, 224kbps,256kbps, 320kbps, 384kbps |
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Audio Gain |
0-255 |
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Multiplexing |
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Maximum PID Remapping 180 input per channel |
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PID remapping by automatically or manually |
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PSI/SI |
SDI/PMT/TOT/PAT/BAT/CAT/TDT/NIT Insert Accurate PCR adjusting |
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Max Numbers |
7 Group 4 RF output (4 RF can Separate mux) in modulation mode 1 IP (MPTS) out ( Separate modulation channels or MTPS channels mux out) |
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Stream Output |
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DVB-ASI |
2 Separate ASI, ( Select from modulation Channels or MPTS channel) 75Ω, BNC, 188Bytes MPEG-2 TS over DVB-ASI (EN 50083-9) |
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RJ45 Port |
100/1000M GbE Port Simultaneous output with N*SPTS (from HD 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 |
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Total Bitrate |
1-200Mbps (Should be More than Encoding bitrate) |
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Modulation Part |
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Connector |
1 Port, F-Type, 75 |
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Output Return Loss |
14 dB |
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MER |
≥40dB |
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RF output level |
-30 ~ -10dbm,0.1db step |
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RF frequency |
47-860Mhz, 1KHz step |
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Numbers of RF Channe |
4 |
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Modulation Mode |
DVB-C, DVB-T, ATSC, ISDB-T, DTMB |
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DVB-T Standard |
EN300744 |
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FFT mode |
2K, 8K |
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Bandwidth |
6M, 7M, 8M |
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Constellation |
QPSK, 16QAM, 64QAM |
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Guard Interval |
1/4, 1/8, 1/16, 1/32 |
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FEC |
1/2, 2/3, 3/4, 5/6, 7/8 |
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DVB-C Standard J83.A (DVB-C, J83.B, J83.C |
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Carrier |
ANNEX A |
Annex B |
Annex C |
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Constellation (QAM) |
16,32,64,128, 256 |
64 |
256 |
64/256 |
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Bandwidth (Mhz) |
8 |
6 |
6 |
6 |
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Symbol Rate (Mbaud) |
5-7 |
5.057 |
5.361 |
4.2-5.3 |
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ISDB-T 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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BandWidth |
6Mhz |
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ATSC Standard 6Mhz |
ATSC A/53 |
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Constellation |
8 VSB |
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DTMB Standard |
GB20600-2006 |
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Constellation |
4QAM, 16QAM, 32QAM, 64QAM |
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Code rate |
0.4, 0.6, 0.8 |
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Guard Interval |
420, 595, 945 |
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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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NMS interface |
RJ45, 100M |
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Language |
English |
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Environment |
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Voltage range |
100 to 120/200 to 240V AC ±10%; 50/60Hz |
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Power consumption |
60W |
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Operation Temperature |
0 ~ 45℃ |
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Storage Temperature |
-20 ~ 80℃ |
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Dimensions |
482mm (L) * 380mm (W) * 44mm (H) |
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Weight |
4.5 kg |
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Typical Order Information |
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Model |
HD |
Tuners |
IP out |
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Q308 |
8 |
Null |
8*SPTS/1*MPTS |
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Q312 |
12 |
Null |
12*SPTS/1*MPTS |
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Q316 |
16 |
Null |
16*SPTS/1*MPTS |
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Q324 |
24 |
Null |
24*SPTS/1*MPTS |
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Q308M |
8 |
QAM; ATSC; DVB-T; ISDB; DTMB |
1*MPTS |
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Q312M |
12 |
QAM; ATSC; DVB-T; ISDB; DTMB |
1*MPTS |
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Q312M |
16 |
QAM; ATSC; DVB-T; ISDB; DTMB |
1*MPTS |
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Q324M |
24 |
QAM; DTMB |
1*MPTS |
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Payment terms: 100% in advance, T/T, Western Union,Paypal,Alibaba Trade Assurance all supported
