General Description
NDS3522 series HD encoder & modulator is DEXIN’s consumer electronics which allow audio/video signal input in TV distributions with applications in home entertainment, surveillance control, hotel Digital Signage, shops etc.
It is an all-in-one device integrating MPEG-4 AVC/H.264 encoding and modulating to convert audio/video signals into DVB-T RF out.
The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. its output signal is to be received by a DVB-T standard TVs or STBs etc.
System Connection
Technical Specifications
Typical Applications
Main Technical Comparison between NDS3522 and NDS3556 (HD, DVB-T Version)
Items |
NDS3522 |
NDS3556 (HD, DVB-T ) |
Interface |
HDMI |
HDMI/YPbPr/CVBS/S-Video |
Video Encoding |
H.264 MP@L 3.0/3.1/4.0 Auto detect and configure |
H.264 BP/MP/HP@L 3.0/3.1/3.2/4.0/4.1/4.2 Profile and level can be manually set |
Resolutions |
Input and output scanning format and frame rate change |
Input and output scanning format and frame rate keep the same |
Audio Encoding |
MPEGI layer 2, MPEG-2 AAC |
MPEG1 Layer II, MPEG2-AAC, MPEG4-AAC |
MER |
≥31dB |
≥42dB |
RF Frequency |
142.5~858 MHz |
30~960MHz |
Output Level |
-14~ +6dBm |
-16~ -36dBm |
USB (External USB Disk) |
System upgrade |
System upgrade, TS record and playback |