The EN-31 is a two-channel HD/SD-SDI contribution and distribution encoder supporting ATSC, DVB and ISDB applications via IP, ASI and optional DVB-S/S2/S2X RF transport. It inherits Adtec’s broadcast quality compression, advanced feature set, service performance and reliability in a two-channel platform targeted towards high value applications. The EN-31boasts eight channels of audio per video service, VBI support, ASI Remux, easy to use web interface and encoding MPEG1 audio, the EN-31 adds support for Dolby Digital, AAC-LC and HE-AAC (v1 and v2) supporting stereo (2.0) and multi-channel surround (5.1) modes.
The EN-31 encodes two services multiplexed into an MPTS and concurrently transports services via ASI, IP and optional DVB-S/S2/S2X. The user has the ability to send MPTS or SPTS services to four IP destinations. The DVB S/S2/S2X modulator has both IF and L-band with 10MHz L-Band insertion. Modulation modes range from QPSK up to 64 APSK with 5% roll-off based on hardware/software options. Two or more units may be cascaded to increase channel density with the ASI remultiplex feature.
Flexible IP video delivery options allow video streaming over any network including private networks, VPN’s and the public internet. The EN-31 supports both broadcast
(UDP/RTP/SMPTE 2022) and OTT(RTMP and Zixi Feeder) delivery methods.