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BE7200/7400 SD H.264 or AVS Multichannel Encoder

The Telairity BE7200/7400 is a scalable, fully programmable, low latency broadcast quality multichannel encoder for standard definition video formats. It uses state-of-the-art compression technology (either H.264/AVC or AVS) to achieve more than twice the compression efficiency of the older MPEG-2 standard. The high-density multichannel BE7400 encoding platform addresses the needs of IPTV providers and other customers for quality SD images in low bandwidth at a highly affordable per-channel price. Like all Telairity encoders, it can be easily upgraded via software to add new or improved features and enhance performance.

Video Encoding Features

  • 2 to 4 fully independent channels with I/O per channel pair (1 & 2, 3 & 4)
    • SDI input with option of outputs: dual DVB-ASI, dual IP, or 1 each
    • Composite or Component input with dual IP output
  • H.264/AVC - Main Profile, Level 3; or AVS-P2
  • Input Video Formats: 576i (PAL), 480i (NTSC)
  • Output Horizontal Resolutions: 720, 640, 544, 480, 352, 240/288 (CIF)
  • Rate Control – 1.0 to 8.0 Mbps
    • Constant Bit Rate (CBR), Variable Bit Rate (VBR)
  • Scene change detection
  • Entropy Coding: CABAC or CAVLC per AVC or AVS profiles
  • Adjustable Spatial Preprocessing and Deblocking (Loop) Filters

Audio Encoding Features (per channel)

  • SD-SDI embedded audio input – per SMPTE 272M
    • Four programs (stereo pairs) per channel: Stereo, Dual Mono, Mono
  • MPEG-1 Layer 2 encoding, bit rates: 32 to 384 Kbps
    • MPEG-4 (H.264/AVC) AAC – LC option for better quality at lower bit rates
  • Dolby Digital (AC-3) pass-through

Control Features

  • On board Flash memory for fast program upload at boot
  • Web browser control via Ethernet interface

Output (maximum of 2 per channel)

  • MPEG-2 transport stream over DVB-ASI 75 ohm coax (1 or 2/channel)
  • IP Transport stream with TOS over 10/100 Base-T (1 or 2/channel)

Video Input (maximum of 1 per channel)

Input Format:
0, 2, 4 SD-SDI (SMPTE 259M) inputs
0, 2, 4 Composite or Component (YPbPr) analog inputs
Video Input Formats:
4:2:2 (YCbCr): 576i (PAL), 480i (NTSC)
Frame Rates:
30, 29.97, 25, 24, 23.98 frames per second
Video In:
Digital: 1 BNC/channel for 75 ohm coax
Analog: 3 BNC/channel with adaptors for RCA YPbPr
SDI Loop Out:
Matching output BNC per SDI input (only)

Audio Input

Input Format:
Embedded in SD-SDI per SMPTE 272M
Dolby Digital (AC-3) pass-through
External Audio: 2 AES and 2 Analog stereo pairs per channel (cables optional)

Compressed A/V Output

Output Interface:
Digital Video Broadcast – Asynchronous Serial Interfaces (DVB-ASI), 270Mbps, buffered non-inverting
10/100 Base-T Ethernet
Packet Format:
MPEG-2 188 byte Transport Stream (TS) packets in either TS/UDP/IP or TS/RTP/UDP/IP format with optional FEC
Compressions Format:
H.264 Main Profile, Level 3; or AVS-P2
Compressed Bitrates:
User programmable: CBR or VBR, 1 to 8 Mbps/channel
2-15Mbps HD, 0.1-5Mbps SD
ASI Stream Out:
Twist-lock BNC connectors (0, 1, 2 per channel)
IP Stream Out:
RJ-45 connectors (0, 1, 2 per channel)


1 Ethernet control interface per channel with RJ-45 connector via hub (or switch) to Web browser controller
Control Application:
Web browser Interface over Ethernet
Reporting Agent (option)

Power Specifications

Input Voltage:
100 to 240 VAC (Auto sensing)
Line Frequency, Power:
47 to 63 Hz; 61 Watts/channel

Mechanical Specifications

Dimensions & Weight:
1RU (H) x 19” (W) x 28” (D) rack mountable, 25 lbs.

Environmental Specifications

Forced air-cooling side to side
Operating Temperature:
-10° to 55°C