MediaPort 300 - 4K HDMI and Audio to USB Scaling Bridge

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User Guide

The Extron MediaPort 300 is a 4K HDMI to USB bridge for integrating Pro AV systems with software codec conferencing applications. It works seamlessly with a computer using generic USB video and audio drivers. The MediaPort 300 features an HDMI input with HDCP-compliant loop through, accepts signals up to 4K/60, and scales video up to USB 5 Gbps output rates. Audio features include program and mic inputs, HDMI audio de-embedding, USB bi-directional audio, and line-level outputs. The MediaPort 300 also features audio mixing as well as level and mute controls. This enables it to serve as a soft codec interface, giving it the flexibility to integrate into larger hardware codec or DSP systems. The MediaPort 300 facilitates easy integration of conferencing computers into pro AV designs.

The MediaPort 300 bridges the gap between simple Webcam-to-computer solutions and traditional AV conferencing systems. For small meeting spaces with just a computer and display, the MediaPort 300 is ideal for enhancing audio and video quality by adding support for professional-grade equipment such as videoconferencing PTZ cameras, boundary microphones, and sound reinforcement systems.

In meeting and large conference rooms, the MediaPort 300 easily integrates a conferencing computer into a fully equipped AV system with, video distribution and processing, control, microphones, and full sound reinforcement. In addition to conferencing, the connected personal computer can be used with a software application to record meeting sessions, presentations, or lectures.

Streamlined Installation

The MediaPort 300 connects to Windows® or Mac®-based computers with USB plug-and-play simplicity, using industry-standard UVC - USB Video Class and UAC - USB Audio Class drivers. It can be used with popular software and cloud-based communications platforms including Microsoft Teams®, Zoom™, Adobe® Connect™, BlueJeans®, Cisco WebEx®, FaceTime®, Google Meet®, GoToMeeting®, Skype®, and more.

With the buffered HDMI input loop-through, the MediaPort 300 also works in conjunction with hardware codec solutions from manufacturers such as Polycom®, Cisco, and LifeSize® to augment communications capabilities in established video conferencing environments. Additionally, the HDMI input and loop-through are HDCP-compliant, enabling straightforward integration into systems for passing encrypted content from a source to a display.

Optimal Video Processing for Soft Codecs

The MediaPort 300 accepts signals up to 4K/60 and scales video to a USB 5 Gbps output. To ensure the HDMI source is presented with the highest possible image quality to a soft codec, the MediaPort 300 incorporates video processing technology, specifically engineered for optimized image scaling and frame rate conversion that preserves detail and legibility of source content. Output signals up to 4K/30 to match common software codec requirements are dynamically configured by the software codec as it responds to real-time CPU usage and bandwidth conditions between near-end and far-end locations. The video output is delivered as an MJPEG-encoded stream over a USB connection supporting rates up to USB 5 Gbps.

The MediaPort 300 is a fully featured video processor with many of the core integration features common to Extron scalers, including aspect ratio control, internal test patterns, Auto-Image™, and Auto Input Memory. It can also display a user-supplied logo image whenever no signal is present at the HDMI input.

Versatile Audio Integration

The MediaPort 300 accepts a microphone input and program sources as analog audio and de-embedded HDMI two-channel audio. The USB connection provides an audio interface with a personal computer, similar to a standard USB sound card with send and return audio capability. This allows the MediaPort 300 to send a two-channel mix of the microphone, analog program, HDMI audio, and USB playback audio to the computer. The interface also allows the MediaPort 300 to receive two audio channels from the computer, completely eliminating the need for any analog audio connections to the personal computer.

Multiple Options for Control and Operation

The MediaPort 300 features remote configuration and control via Ethernet and USB. The MediaPort 300 can be configured using Extron’s PCS - Product Configuration Software with a user-friendly GUI that is very easy to navigate. This software application allows for expedited setup and commissioning, real-time operation and monitoring, firmware updates, plus full configuration of its audio processing tools.

In addition to configuration and control capabilities, the MediaPort 300 includes front panel LED indicators that provide comprehensive visual feedback for HDMI input and loop-through signal presence, HDCP status, and USB signal status for host, video, and bidirectional audio.

Convenient Under-Table and Surface Mounting

The MediaPort 300 is housed in a compact 1” (2.5 cm), half-rack width enclosure that can be installed virtually anywhere, including inconspicuous placement underneath a conference table, inside a credenza, or in a lectern. Extron UTS Series and MBU 125 mounting hardware are available separately to facilitate under-table mounting.

Features

• Seamlessly integrates Pro AV systems and sources into software codec applications — Sends audio and video signals from a presentation source or switcher to a computer, for integration with software and cloud-based communication platforms.
• Inputs: One HDMI with buffered loop-through, one stereo, two mono, or one mic and one mono line balanced/unbalanced audio input on captive screw, one USB for two-channel audio input
• Outputs: One USB for streaming video and two-channel audio output, one stereo balanced/unbalanced audio output on captive screw
• New HDMI input supports computer and video resolutions up to 4K/60 — Supports resolutions up to 4096x2160 with 4:4:4 chroma sampling at 8 bits of color.
• New Video scaling provides USB output up to 4K/30 to match common software codec requirements — Extron-engineered image processing preserves detail and legibility of source content to ensure optimal quality of camera or computer video content for far-end conferencing participants.
• New Device connections up to USB 5 Gbps using generic USB drivers for universal compatibility — The MediaPort 300 incorporates industry standard UVC - USB Video Class and UAC - USB Audio Class drivers, providing universal compatibility with Windows®, Mac OS®, Linux, and other operating systems.
• New USB 5 Gbps compatible — Supports newer USB 3.x rates and is backwards compatible with prior USB versions.
• Scaling optimized to UC software codec requirements via custom resolution groups — User-customizable resolutions can be defined in groups such as high and low quality to force the software codec to use the best scaled USB streaming resolution for current network and codec processor conditions.
• Scaled USB streaming video output with MJPEG, YUY2, or NV12 encoding
• Integrated audio mixing, level, and mute control — Provides basic audio mixing and processing for USB audio to deliver high quality audio for conference participants.
• Flexible USB Enumeration Options — The MediaPort 300 can be configured to be recognized on the USB host computer as a Webcam plus Speakerphone (default), Speakerphone only, Webcam only, or disabled. This gives the presenter flexibility in how they use the MediaPort 300 in their particular setting.
• USB Audio Control Synchronization — Bidirectional audio controls allow speaker and microphone level, mute, and status information to remain in sync whether controlled from the UC computer or an AV room control system managing the MediaPort 300.
• UC Telephony Controls from AV Control System — Bidirectional USB call controls through the MediaPort 300 allow the AV control system to manage common call functions such as answer, end, hold, etc. when using Teams, Zoom, or other UC systems with the MediaPort 300.
• HDCP-compliant HDMI input and loop-through — Provides an output signal for a local display, an AV system, or a hardware codec, enabling the content to be monitored or shared without the need for a separate distribution amplifier. Both the HDMI input and loop-through are HDCP-compliant.
• HDMI audio de?embedding — Embedded HDMI two?channel PCM audio can be extracted to the integrated DSP for processing and mixing.
• USB 2x2 audio interface — The USB connection provides a 2x2 channel audio interface with a computer, similar to a standard USB sound card with send and return audio capability. This allows the MediaPort 300 to send a two-channel audio source mix to the personal computer, and the computer to deliver its program audio plus two-channel communication audio from the soft codec’s far-end to the MediaPort 300.
• Supports popular software communications platforms including Microsoft Teams®, Zoom™, Adobe® Connect™, BlueJeans®, Cisco WebEx®, FaceTime®, Google Meet®, GoToMeeting®, Lifesize® Clearsea, Skype®, and more
• High performance deinterlacing for signals up to 1080i — Features highly accurate deinterlacing for 480i/576i/1080i signals. This ensures absolute detail and fidelity in the reconstructed progressive video frames, including 3:2 and 2:2 pulldown for interlaced signals originating from film content.
• Mic/line input with 48 volt phantom power — A mic or line level audio source can be mixed with program audio. Selectable 48 volt phantom power allows the use of condenser microphones.
• Front panel LED indicators for HDMI and USB signal status — Provide visual feedback for HDMI input and loop-through signal presence, HDCP status, plus USB signal presence for the host computer, video send, audio send, and audio return.
• Logo image display — The MediaPort 300 can be set to automatically display a user supplied image file on the HDMI output whenever no signal is present or on the USB output if HDCP-protected content is being used and no video can be displayed.
• Aspect ratio control — The aspect ratio of the video output can be controlled by selecting a FILL mode, which provides a full screen output, or a FOLLOW mode, which preserves the original aspect ratio of the input signal.
• Auto Input Memory — When activated, the unit automatically stores size, position, and picture settings based on the incoming signal. When the same signal is detected again, these image settings are automatically recalled from memory.
• Internal video test patterns for calibration and setup? — The MediaPort 300offers several video test patterns to facilitate proper system setup and calibration, and can provide an active output when an input video source is not available.
• Pictures controls for brightness, contrast, horizontal and vertical positioning, and sizing
• User-selectable HDCP authorization — Allows the unit to appear HDCP compliant or non-HDCP compliant to the connected source, which is beneficial if the source automatically encrypts all content when connected to an HDCP-compliant device. Protected material is not passed in non-HDCP mode.
• HDCP Visual Confirmation — When HDCP-encrypted content is transmitted to a non-HDCP compliant display, or to the USB output, a full screen green signal is sent to the display for immediate visual confirmation that protected content cannot be viewed on that display. An optional black signal or logo can be sent to the USB output in place of the green signal if desired.
• EDID Minder® automatically manages EDID communication between connected devices — EDID Minder ensures that the source powers up properly and reliably outputs content for display.
• Auto-Image™ setup — When activated, the unit automatically optimizes the image by analyzing and adjusting to the video input signal. This can save time and effort in setting up a newly connected source, particularly in presentation environments where different guest presenter laptops with various output resolutions will be connected.
• Front panel USB configuration port — Enables easy configuration without having to access the rear panel.
• Ethernet monitoring and control — Enables control and proactive monitoring over a LAN, WAN, or the Internet.
• Built?in webpages — Enables the use of a standard browser for monitoring or updates over an intuitive Web interface.
• Easy setup and commissioning with Extron's PCS - Product Configuration Software — Conveniently configure multiple products using a single software application. The software also allows configuration files to be downloaded for archiving or configuring multiple systems.
• Compact 1” (2.5 cm), half rack width metal enclosure — The half rack width enclosure is designed for flexible mounting using a wide variety of Extron furniture and rack mounting kits, available separately. Passive convection cooling ensures silent operation.
• Includes LockIt® HDMI cable lacing bracket
• New PoE+ delivers power and communication over a single Ethernet cable, eliminating the need for a local power supply
• External Extron Everlast™ power supply — Provides worldwide power compatibility, with high?demonstrated reliability and low power consumption for reduced operating cost.
• Extron Everlast Power Supply is covered by a 7?year parts and labor warranty