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Atlona AT-OMNI-121 Single Channel OmniStream AV over IP Decoder front
Atlona AT-OMNI-121 Single Channel OmniStream AV over IP Decoder

Atlona AT-OMNI-121 Single Channel OmniStream AV over IP Decoder

SoundPro Item: 60177
MPN: ATL-ATOMNI121
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The Atlona AT-OMNI-121 is a networked AV decoder for HDMI output up to 4K/60 4:4:4 and HDR. It features the advanced VCx™ codec which delivers artifact-free image presentation, ultra-fast switching, and ultra-low latency.

Atlona AT-OMNI-121 Features

  • Best-in-class AV over IP performance and reliability over Gigabit Ethernet
  • AV decoder for HDMI® up to 4K/UHD, plus embedded audio and RS-232 or IR control pass-through
  • Supports 4K/60 4:4:4 plus HDR formats
  • Advanced VCx™ codec delivers artifact-free presentation of computer-generated content and fast-motion video
  • Ultra-fast switching between 4K/60 video streams
  • Multiview window processing (with AT-OMNI-111 encoder)
  • Thumbnail preview of encoded video streams through Velocity™ AV control or web GUI
  • Local or PoE (Power over Ethernet) powering
  • Video wall processing and other visual enhancements
  • Industry-standard, network security features including IEEE 802.1x
  • AT-OMNI-121 Single Channel OmniStream AV over IP Decoder1
  • Video
    • Signal: HDMI
    • Copy Protection: HDCP 2.2
    • UHD/HD/SD
      • 4096×2160 (DCI) @ 30/24 Hz
      • 3840×2160 (UHD)(2)@ 60/50/24/25/30 Hz
      • 1920x1080p @ 23.98/24/25/29.97/30/50/59.94/60 Hz
      • 1920x1080i(1) @ 25/29.97/30 Hz
      1280x720p @ 30/50/59.94/60 Hz 720x576p @ 50 Hz 720x576i @ 25 Hz 720x480p @ 59.94/60 Hz 720x480i @ 29.97/30 Hz
    • VESA(3)
      • 2560×1600
      • 1920×1200
      • 1680×1050
      • 1600×1200
      • 1600×900
      • 1440×900
      • 1400×1050
      1366×768 1360×768 1280×1024 1280×800 1280×768 1152×768 1024×768
    • Color Space: YUV, RGB
  • Encoding
    • Density: Single decoding engine
    • Compression Format: VCx and VC-2 (SMPTE-2042)
    • Video Quality Optimization: User-selectable: PC Application or Video mode (VC-2 codec only)
    • Chroma Subsampling
      • 4:4:4 Chroma: VCx, VC-2 PC Application
      • 4:2:2 Chroma: VCx, VC-2 PC Application
      • 4:2:0 Chroma: VCx, VC-2 Video
    • Color Depth: 8-bit, 10-bit, 12-bit
    • HDR: HDR10, HLG, Dolby® Vision™
    • Bit Rate: Configurable up to 900 Mbps
    • Latency
      • 0.5 frame (e.g. 1080p @ 60 Hz latency is < 8 ms between encoder and decoder).
      • 1.5 frames in Fast Switching mode (e.g. 1080p @ 60 Hz latency is < 24 ms between encoder and decoder).
      • Note: Unusual network configurations may increase overall latency.
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      • Output Resolution in Fast Switching Mode: Up to 4K60 (VCx) or 1080p60 (VC-2)
  • Audio
    • Pass-through
      • LPCM 2.0:
      • LPCM 5.1:
      • LPCM 7.1: Dolby® Digital Dolby Digital Plus Dolby TrueHD Dolby Atmos® DTS® DTS-HD Master Audio™
    • Down-mixing: Multichannel LPCM to two-channel LPCM
    • Sample Rate: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
    • Bit Depth: Up to 24-bit
    • Analog audio(4)
      • Balanced output: +4 dBu nominal gain, +20 dB headroom
      • Frequency response: 20 Hz to 20 kHz, ± 0.5 dB
      • Output impedance: 150 Ω
      • Stereo channel separation: > 90 dB
      • THD+N: < 0.03% at 20 Hz to 20 kHz
      • SNR: > 90 dB at 1 kHz, zero clipping @ 0 dBFS, unweighted
  • Protocols
    • Video Streaming: RTP
    • Audio Streaming
      • RTP, up to 7.1 channels
      • AES67, up to LPCM 7.1 channels
    • Addressing: DHCP, static
    • Encryption: AES-128
    • QoS Tagging: RFC 2475
    • Discovery: Multicast DNS, LLDP, SAP
    • Management: HTTPS, SSH, Telnet, and WebSockets with TLS
    • Authentication: IEEE 802.1x: PEAP/MSCHAPv2 or EAP-TLS
    • IP Multicast: IGMPv2 and IGMPv3 support
  • Graphics Features
    • Text Insertion: Adjustable height/width, scrolling (speed, direction, or static), iterations (up to infinite), positioning, and adjustable color and alpha (transparency) channels.
    • Slate / Logo Insertion(5): PNG file format, adjustable aspect ratio (keep or stretch), horizontal/vertical size, screen position; slate mode can be set to off, manual (image always displayed, superimposed on the source signal, and will remain if source signal is lost), auto (image will only be displayed when source signal is lost).
  • Control
    • CEC: Supported and triggered from control systems and OmniStream encoders
    • RS-232
      • Device control and configuration; supports baud rates from 2400 to 9600
      • Bidirectional pass-through from control system to network
      • Bidirectional TCP Proxy (RS-232 commands over IP)
    • IR
      • Pass-through from control system to network
      • Pass-through from network to control system
  • Connectors
    • HDMI: 1 – Type A, 19-pin, female, locking
    • ETHERNET(6): 1 – RJ45, 10/100/1000 Mbps
    • RS-232 / IR: 1 – Euroblock, 6-pin (2 ports); RS-232 on port 1 only, IR on port 2 only
    • AUDIO: 1 – Euroblock 10-pin; AUDIO IN/OUT; accepts balanced or unbalanced line
    • Power: 1 – Euroblock, 2-pin
  • Indicators and Controls
    • PWR: 1 – LED, tricolor (red, amber, green)
    • LINK: 1 – LED, bicolor (red, green)
    • ID: 1 – Momentary, tact-type, backlit (blue); sends an identification broadcast message over the network to any listening devices.
    • Reboot: 1 – Momentary, tact type
  • Power
    • PoE: IEEE 802.3af
    • Consumption: Up to 12 W (w/o analog audio), up to 24 W (w/ analog audio)
    • BTU/h: 40.9 (w/o analog audio), 81.8 (w/ analog audio)
    • External Power Supply (optional)
      • Input: 110 – 220 V AC, 50/60 Hz
      • Output: 48 V DC, 0.83 A
  • Environmental
    • Cooling System: Front-to-rear airflow, temperature-controlled fans
    • Operating Temperature: +14 to +122°F (-10 to +50°C)
    • Storage Temperature: +14 to +140°F (-10 to +60°C)
    • Operating Humidity (RH): 20% to 95%, non-condensing
  • Chassis
    • Dimensions (HxWxD): 1.34x8.19x4.41” (34x208x112mm)
    • Weight: 1.5 lbs (0.7 kg)
  • Certification
    • Device: CE, FCC, CB, RoHS
    • Supply: CE, FCC, cULus, CB, RCM, RoHS
  • Compliance
    • NDAA-899
    • TAA
  • Notes
    • (1) Interlaced sources are passed-through without modification, and do not support scaling, video wall, logo insertion, text insertion, fast switching, or multiview.
    • (2) Using VCx, streaming is supported up to 4K60 4:4:4. Using VC-2 Video Mode, 4K60 and 4K50 resolutions will be chroma subsampled to 4:2:0 before streaming. Using VC-2 PC Application Mode, 4K60 and 4K50 resolutions will be chroma subsampled to 4:2:2 or 4:2:0 before streaming.
    • (3) All VESA resolutions are 60 Hz.
    • (4) External power supply is required when using the analog audio interface.
    • (5) Slate insertion is limited to 1080p only.
    • (6) Maximum distance per hop is 330 feet (100 meters), depending upon network configuration.

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