new hdmi to dvb-t encoder modulator - high quality aerial ... · •installation in communal tv...
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New HDMI to DVB-T Encoder Modulator
Sales Hotline: 01234 26 37 37 Sales Fax: 01234 26 74 00Email: [email protected] Web: www.labgear.co.uk
The EM7994 takes four signals from HDMI or CVBS sources and encodes the data in to MPEG transport streams and outputs them using COFDM modulation as a DVB-T multiplex. The new signals can be combined with off-air signals using the loop-through RF connections and then fed into your TV system for distribution to every TV set.
•Inputs: 4x HDMI, 4x CVBS (phono) and 4x stereo audio (2x phono)
•Ideal for a wide range of HD signal sources Blu-ray, CCTV, Satellite receiver etc. with HDMI or phono output
•High quality stable image ideal for displays, security or distribution
•RF Output compatible with HD and non HD TV tuners
•Easy to install into existing TV distribution systems
•Broadcast quality construction
•Clear colour display and simple step-by-step con�guration
Applications
•Installation in communal TV systems to provide security or information channels
•In business locations to show information or advertising
•In retail, hotel or public spaces for high impact displays
EM7994
Sales Hotline: 01234 26 37 37 Sales Fax: 01234 26 74 00Email: [email protected] Web: www.labgear.co.uk
Function �ow chart
MPEG-4 ENCODER
MODULATOR DVB-T COFDM
RF OUT RF IN
TV AERIAL
TV SYSTEM
POWERSUPPLY12VDC
DIGITALSIGNAL
HDMI
COMBINER LOW LOSS
DIGITALSIGNAL
CVBS+Stereo
Encoding SectionHDMI Encoder HDCP1.3 Compliant
Video
Compression H.264 - bitrate 5-15Mb/s
Interface HDM1 x 2Input Output
Resolution
1920x1080@60p 1920x1080@50p 1920x1080@60i 1920x1080@50i 1280x720@60p 1280x720@50p
1920x1080_50p/1920x1080_60p1920x1080_50i/1920x1080_60i1280x720_50p/1280x720_60p
Aspect Ratio 4:3, 16:9Bit rate 5-15Mbps
AudioCompression AAC-LC / MPEG1-L2– bitrate 128-320 Kb/s Sample Rate 32kHz / 44.1 kHz / 48 kHzBit rate 64/128/192/256/320 kbs
Version HDMI 1.3
CVBS Encoder
Video
Compression H.264 - bitrate 5-15Mb/sInterface CVBS 3 phono x 2
Input OutputResolution 576iPAL 480iNTSC 720x576@50i /720x480@50i/60i
Modulator Section
DVB-TStandard DVB-T COFDM
Bandwidth MHz 6, 7, 8
Constellation QPSK, 16QAM, 64QAM
Code rate 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval 1/32, 1/16, 1/8, 1/4
MER 35dB
Frequency range 50-860MHz select by Channel No.
Output Level 70-100dBuV step 1dBuV
Output Impedance 75Ω
SystemManagement LCD + control keys
Language English
LCN Insertion Yes
Upgrade Micro USB
GeneralPower supply 12V�5A
Dimensions 280mm (W) x 203mm (D) x 61mm (H)Weight 1.26kg
Operating temp. 0-45˚ C
System
General
V1.3
V1.4
RF OUTCombined
Signal
RF IN PowerSupply12VDC
HDMISource 2
CVBS & StereoSource 2
CVBS & StereoSource 1
HDMISource 1
SoftwareUpgrades
CVBS & StereoSource 3
CVBS & StereoSource 4
HDMISource 1
HDMISource 4
PowerSwitch
SDDevice
SDDevice
HDDevice
HDDevice
Older Sky boxes require a single feed
each from the multiswitch
Sky + & Sky+HD boxes require
a twin feed
PSW132Suitable for combined
Sky, TV and Radio outlet
TV FM/DAB
SAT
8dB Gain
Ideal forLONG
runs 20-40m
PSW241Suitable for combined
Sky+, Sky+HD, TV and Radio outlet
TV FM/DAB
SAT1 SAT2
0.5dB Gain
Ideal for SHORT
runs 5-20m
4.5dB Gain
Ideal for MEDIUM
runs 15-30m
EarthTerminal
Stepped Outputsto WallOutlets
Q QQuad/QuattroCompatible
SDDevice
HDDevice
HDDevice
SDDevice
EM7994 connections