4-input HDMI or CVBS To DVB-T Encoder Modulator
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 configuration
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
| Modulator Section | |||
| DVB-T | |||
| Standard | 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 | 1/4,1/32, 1/16, 1/8, | ||
| MER | 35dB | ||
| Frequency range | 470-860MHz select by Channel No. | ||
| Output Level | 70-100dBµV step 1dBµV | ||
| Output Impedance | 75Ω | ||
| Encoding Section | |||
| HDMI Encoder                                           HDCP1.3 Compliant | |||
|
Video |
Compression | H.264 – bitrate 5-15Mb/s | |
| Version | HDMI 1.4 (1.3 compatible) | ||
| Interface | HDM1 x 4 | ||
| Input | Output | ||
|
Resolution |
1920×1080@60p
1920×1080@50p 1920×1080@60i 1920×1080@50i 1280×720@60p 1280×720@50p |
1920x1080_50p/1920x1080_60p
1920x1080_50i/1920x1080_60i 1280x720_50p/1280x720_60p |
|
| Aspect Ratio | 4:3, 16:9 | ||
| Bit rate | 5-15Mbps | ||
|
Audio |
Compression | AAC-LC / MPEG1-L2– bitrate 128-320 Kb/s | |
| Sample Rate | 32kHz / 44.1 kHz / 48 kHz | ||
| Bit rate | 64/128/192/256/320 kbs | ||
| CVBS Encoder | |||
|
Video |
Compression | H.264 – bitrate 5-15Mb/s | |
| Interface | CVBS 3 phono x 4 | ||
| Input | Output | ||
| Resolution | 576iPAL 480iNTSC | 720×576@50i /720×480@59i/60 | |
| System | |||
| Management | LCD + control keys | ||
| Language | English | ||
| LCN Insertion | Yes | ||
| Upgrade | Micro USB | ||
| General | |||
| Power supply | 12VDC | ||
| Dimensions | 280mm (W) x 203mm (D) x 61mm (H) | ||
| Weight | 1.26kg | ||
| Operating temp. | 0-45Ëš C | ||
| Part Number | EM7994 |
|---|
