Dual-Channel H.264 Encoder with 3G-SDI and HDMI Inputs for Broadcast Streaming and Recording

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The Matrox Monarch HDX is a compact, easy-to-use, dual-channel H.264 encoder for broadcast streaming and recording applications.
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The Matrox Monarch HDX is a compact, easy-to-use, dual-channel H.264 encoder for broadcast streaming and recording applications. Designed for complete workflow flexibility, Monarch HDX features 3G-SDI and HDMI inputs with frame synchronization to compensate for unstable sources. Two independent H.264 encoders provide redundancy or can be set to stream and/or record at individual settings. From any SDI or HDMI input source such as a camera or switcher, Matrox Monarch HDX generates two H.264-encoded video streams at bitrates from 200 Kbps to 30 Mbps. Monarch HDX is packed with features that make it ideal for broadcasters, event producers, medical facilities, CDNs, educational institutions, houses of worship, corporate communicators, and legal videographers.

Matrox Monarch HDX Includes

  • Matrox Monarch HDX device
  • Matrox Monarch HDX external power supply
  • IEC-C8 power cords (US, GB and EU)

Matrox Monarch HDX Features:

  • Powerful, High Quality H.264 Encoding Engine - The Monarch HDX can share 30 Mb/s of encoding capacity across the two channels. Each channel benefits from a powerful scaling, de-interlacing, and noise reduction engine to ensure only pristine images are sent to be encoded.
  • Dual-Channel Streaming - When used as a webcasting encoder, the Monarch HDX generates an H.264-encoded stream compliant with RTSP or RTMP protocols. You can assign each channel separately to deliver what you need, where you need. Each channel can stream up to 10Mb/s, allowing you to simultaneously stream to two destinations or set the device for up to 20Mb/s streaming quality for a single encoding destination.
  • Dual-Channel Recording - Monarch HDX provides a huge amount of flexibility as an H.264 video recorder. Content can be captured in either MOV or MP4 files to ensure that they can be played by your application of choice. Recordings can be stored locally on an SD card, a USB drive, or remotely on a network-mapped drive. Dual channel recording allows the user to simultaneously record content locally and to a drive, which means files are immediately available to anybody on the network, but also provides the assurance that no action is lost even if the network goes down. Furthermore, each recording can be done at a different bitrate should there be a need to deliver the content to devices with varying decode capacities.
  • Simultaneous Streaming and Recording - The quality of your VOD downloads need never be dictated by the available upload bandwidth. Monarch HDX dual encoders can broadcast a live webstream at one bitrate while simultaneously recording mastering quality H.264 files for immediate availability, such as post event VOD or editing with your NLE of choice.
  • Selectable HDMI and SDI Inputs and Simultaneous Outputs - Monarch HDX H.264 video recorder can accept signals from HDMI or SDI sources. The input is selected using the web based UI, Matrox Command Center, or directly on the unit itself, allowing for a wide range of connectivity to devices such as cameras, switchers or routers. Additionally, both inputs are complemented by internal frame synchronizers to ensure uninterrupted streaming and recording operations, regardless of the disturbance on the input. The audio is also selectable between the two channels of the embedded video signal or the analog stereo input. Audio may be dynamically muted/unmuted without affecting the video encoding operation.

Regardless of input selection, SDI, HDMI video and embedded and analog audio outputs are live. For SDI workflows, the Monarch HDX recorder has an extremely low pass-through latency with a built-in power-loss relay which, in case of power loss, will route the SDI input directly to the SDI output, ensuring signal path integrity and fail safe design options.

  • Easily Webcast to Your Audience - Whether you’re providing live streaming content to Adobe Flash or Wowza Media servers, to any of the popular CDNs, or directly to a computer, Matrox Monarch HDX’s flexible video streaming protocol support is up to the task. The Monarch HDX is a certified “Works with Wowza” live video streaming encoder, allowing our users to benefit from enhanced integration with the Wowza streaming engine. As a certified encoder, Wowza Manager can provide an XML file which contains the credentials required for Monarch HDX to easily connect to the Wowza Streaming engine. The Monarch HDX also supports XML files generated for use with Flash Live Media Encoder. These files are often offered by CDNs to allow their customers to easily connect to their service. Both XML files are loaded into the Monarch HDX using the Matrox Command Center, a web based UI.
  • Control from Anywhere - Matrox Monarch HDX can be controlled and configured via the Monarch HDX Command Center using any device on the network that supports a standard web browsing application such as a computer, smart phone or tablet. Designed for operator ease-of-use, master controls provide one-click operation to start streaming, recording or both from anywhere within the user interface.

The device also provides convenient controls directly on the unit itself to stop/start recording or streaming, and an additional button to assign the input.

  • H.264 Preview Stream - Monarch HDX H.264 encoder provides a very useful low bitrate preview stream of the input directly in the Command Center UI. This same preview can be viewed using software players such as VLC or on third-party devices, such as Crestron control panels. This stream is available independently of the two encoder channels allowing you to check your video signal before your webcast goes live.
  • Profiles and Presets - Monarch HDX ships with a number of typical streaming and recording presets that define all the encoding parameters including resolution and bitrate. Whether preset or custom parameters are used, they only need to be entered once and saved as a unique profile. A profile not only contains encoding parameters but also destination information detailing where the encoded video is being sent. Multiple profiles can be saved if the device is used in different environments. Each profile can be loaded instantly without having to re-enter data.
  • Robust and Practical Design - Powerful and robust, Monarch HDX offers simple, one touch stream and record push buttons, input selection, and a locking power connector. Monarch HDX's HDMI or SDI outputs makes it easy to monitor what you are streaming and recording, regardless of signal source. All eight channels of embedded audio can be passed from any input to any output. When embedded audio is selected, all eighth channels are passed from input to output. When Analog audio is selected, it is both looped out as well as embedded in video outputs. Its design allows Monarch HDX to be just as easily located on a desktop as in a rack—up to two units can fit in a single 1RU tray. The storage and button controls are conveniently located on the front of the unit while the power and I/O ports are found at the back. Finally, the Monarch HDX also features a wide input voltage range of 9 to 24 volts. It can be powered using the Matrox supplied power supply or DC sources such as standard field batteries.
  • Matrox Utils Application - The Matrox Utils application allows operators to remotely scan and find all Monarch HDX’s present on their network. The Utils application will also scan the attached Monarch HDX and notify the operator if the unit is up to date with its installed firmware version and will also update the device automatically to ensure that it has the latest software release installed. The Matrox Utils application can also be used to reboot Monarch HDX devices present on the network.

Matrox Monarch HDX Specifications:

Video Input Format is Auto-Detected in SDI and HDMI

  • Supported HDMI Video Input:
    • Progressive:
      • 1920x1080 @ 60/59.94/50/30/29.97/25/24/23.98 frames per second
      •  @ 60/59.94/50 frames per second
    • Interlaced:
      • 1920x1080i 29.97/25 frames per second
  • HDMI Video Output:  Preview output of video input signal. 2 frame delay from input to output
    Note that when input is an SD resolution, the HDMI preview output will show video windowboxed on an HD output.
  • Supported SDI Video Input:
    • Progressive:
      • 1920x1080 @ 60/59.94/50/30/29.97/25/24/23.98 frames per second
      •  @ 60/59.94/50 frames per second
    • Interlaced:
      • 1920x1080i @ 29.97/25 frames per second
      • 720x486i @ 29.97 frames per second
      •  @ 25 frames per second
    • PsF:
      • 1920x1080 @ 29.97/25

Compliant with SMPTE 259M/292M/424M(Level A)/425M

  • SDI Video Output: 0 frame latency passthrough of Input signal. Output is a clean distribution of SDI incoming signal. Hardware bypass relay present in SDI signal path is "closed" on power failure.
  • Audio Input:
    • Processes the first two channels of audio embedded in HDMI or SDI input signals.
    • Unbalanced analog stereo input via 1/8” (3.5mm) jack.
    • Level
  • Audio Output:
    • Passthrough of 8 channels of embedded audio channels in HDMI and SDI signals.
    • Unbalanced analog stereo output via 1/8” (3.5mm) jack – passthrough of input.
    • Line Level
      *Note that all outputs are active regardless of audio and video input selection.
  • Frame Synchronization: The Monarch HDX contains frame synchronization circuitry designed to compensate for disruptions of the input signal. This circuitry is in place for both SDI and HDMI inputs. Streaming and recording operations will proceed cleanly with repeated or dropped frames.

H.264/MPEG-4 Part 10 (AVC) Video Encoder

  • Resolutions:
    • Selectable encoding resolutions ranging from: 128x128 to 1920x1080
  • Bit Rates Ranges:
    • Single Encoder - Streaming mode: 20 Mbps
    • Single Encoder - Recording mode: 30 Mbps
    • Dual Encoder - Maximum of 10 Mbps for streaming channels
    • Maximum of 30 Mbps combined for both channels
  • Encode Frame Rates: Encode frame rates selection includes 60/50, 30/25/24 and 15/12.5.
    Note that the maximum encode frame rate is 30 fps when encode resolution is 1920x1080
  • Encoding Profiles: Baseline, Main and High
  • Encoding Controls:
    • 2.0, 3.0, 3.1, 4.0, 4.1 Level Support
    •  Size and Structure
    • Variable bit rate support
    • Average max/min data rate controls
    • Deblocking Filter

MPEG-4 AAC Audio Encoder

  • Standard: AAC-LC
  • Sample Frequency: 32, 44.1 and 48 kHz when digitized from an analog source
  • Channels: 2 channels Stereo (L/R)
  • Bit Rates: Range from 32 kbps to 256 kbps
    Note that audio codec settings are applied to streaming or files delivered by both encoders.


  • High-Quality multi-tap 10 bit Down Scaler and De-Interlacer
  • Available to both streaming and recording operations

H.264 Input preview Stream

  • Resolution: 320x180
  • Average Bitrate: 300 kbps
  • Stream Type: RTSP

Recording File Format

  • File Type: Industry Standard MP4 and MOV files with two channels of embedded AAC audio
  • Recording Lengths: Maximum file length of 300 minutes—irrespective of storage type used. File splitting feature allows a user to record continuously for long periods by defining file segment sizes. The Monarch HD will create these sequential file segments over the course of the recording operation without losing a single frame of video. File segment can have a length of 1 to 300 minutes.

Network Interfaces

  • Connector: RJ45 providing 10/100/1000 Base-T Ethernet with Static or DHCP addressing
  • Protocols:
    • IPv4 Support
    • Unicast and Multi Unicast (number of clients may vary from 3 to 10)

User Interface

  • Computer-Based Control: HTTP via standard PC or Mac web browser using Monarch HDX Command Center.
  • Physical Interface: On-device push buttons for independent streaming and recording with Start/Stop control

Storage Types for File Recording

  • 2 x USB 2.0: Support for NTFS (3.1) and FAT32 file system
    The Monarch HD will support writing to USB3 devices at USB2 speeds. Also note, there is a very high variability in the performance capabilities of “thumb” drives (even USB3 versions). Many are optimized for “read” operations while the Monarch HD requires sustained “write” capabilities. For best results, Matrox recommends using powered USB drives. If small portable media is required, SD cards may be more suitable.
  • 1 x SD card Slot: Supports SD and SDHC cards (Class 10 highly recommended). Only NTFS formatted SDXC cards are supported.
  • Network Mapped Drive: Support for writing to shared folders on computers found on a network using Windows Share protocols (suitable for Windows system) as well as NFS protocols (suitable for Mac and Linux systems).

Matrox Monarch HDX Command Center Web UI

  • Start Stop Controls: These buttons are available at all times no matter where you navigate in the UI.
  • Status Page: Provides relevant operational information concerning Status of Monarch HD unit at that time including; Input video detection and resolution, State and configuration of Streaming operation, State and configuration of Recording operation, Error conditions, etc.
  • Control Page: Multiple Monarch devices can be connected in a Master/Slave topology to allow for synchronized recording and streaming operations across multiple units via a single interface.
  • Record Settings: Configuration of recording parameters set within this page. A number of presets are included which are selected based on post event use of the recorded asset. If file is to be uploaded for VOD purposes, a YouTube preset may be selected. If content is to be edited for high quality production, a higher bitrate preset may be preferable.
  • Streaming Settings: Configuration of Streaming parameters performed on this page. The RTMP or RTSP credentials as well as encoding parameters are entered. Encoder presets have been included to quickly select an ideal encoder settings based on desired delivery resolution or bitrate. The loading of Flash Media Server XML configuration files is supported.
  • Administrative Tools: Device Naming, IP configuration, Date/Time settings and a variety of other tasks performed via this page.
  • Additional Tools: Matrox provides PC or Mac based utilities to help detect the Monarch HDX Device on a particular Network (DHCP server required), to update Monarch HDX devices with latest firmware and to reboot the devcies remotely.


  • Dimensions: Length (shell) - 5.6" (14.2cm), Length (shell +BNCs) - 6"(15.3cm), Width - 8.5" (21.6 cm),
  • Height (shell) - 1.4"(3.6cm), Height (Shell + pads) - 1.5" (3.81cm)
  • Operating Conditions: 32° to 104° F (0° to 40° C)
  • Relative Humidity: 20% to 80% (non-condensing)
  • Power:
    • Line Voltage: 100-240V AC, 0.5A
    • Frequency: 50-60 Hz
    • Input: External AC/DC adapter - IEC320-C8
    • Output: +9-24 VDC
    • Total power consumption:20-30 Watts typically, 42 Watts Max
    • DIN4 Locking Power Connector
  • Transport and Storage:
    • Max Operating Altitude: 3000 meters
    • Max Transport Altitude: 12,000 meters
    • Storage Humidity: 5% to 95% relative humidity (non-condensing)
  • Regulatory:
    • EMI: FCC Class A, CE Mark Class A, ACMA C-Tick Mark, VCCI
    • Power-supply Safety : UL/CUL(UL60950-1), TUV-GS(EN60950-1), T-LICENSE(BS EN60950-1), CCC(GB4943.1-2011), PSE(J60950), SAA(AS/NZS60950-1), KC-MARK(K60950),S-MARK(IEC60950-1)
    • RoHS Directive 2002/95/EC
  • Warranty: 2 years of free telephone support

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