HDMI matrix
The matrix group routes signals: sources on one side — players, computers, cameras — displays on the other, and the matrix decides which source reaches which display. The catalogue lists the family in three forms: HDMI matrix, seamless HD matrix and HD hybrid matrix, all inside the central control group.

The three matrix forms in the catalogue
| Form | What distinguishes it | Where it is chosen |
|---|---|---|
| HDMI matrix | Routes HDMI sources to HDMI displays | Meeting and conference rooms with digital sources |
| Seamless HD matrix | Switches between sources without a visible break on the display | Presentation and ceremony settings where a black frame would show |
| HD hybrid matrix | Handles mixed source types in one frame | Venues whose sources span generations of equipment |
Sizing a matrix from the room list
A matrix is sized by counting, not by budget: the number of sources that must be available, the number of displays that must be fed, and whether any display must show a different source from its neighbours. That count — inputs against outputs — is the specification, and it belongs in the inquiry. Buyers who name only the room count force a guessing round, because two rooms with the same seats can differ by three sources. Growth room is the other honest question: a matrix bought exactly at today's count is replaced at the first added source, so the inquiry should say whether the source list is final.
Matrices inside a controlled venue
The matrix rarely works alone. It sits downstream of the central control host, which recalls the routing as part of a session setup, and alongside the conference audio that follows the same sources. Ordering the three — control, matrix, conference audio — against one room list keeps the signal path coherent: the source the matrix sends to the display is the source whose sound the room hears. The conference systems page covers the audio half of that pairing.
Counting routes honestly: inputs, outputs and the spare pair
A matrix is bought by its crosspoints, and the count that matters is not today's but the installation's settled one: every source that will ever want the screens, every screen that will ever want a source, including the ones arriving with the next project phase. Matrices punish undercounting more than most equipment, because the upgrade is a replacement rather than an addition. The planning habit that protects the buyer is to list the routes the room's users will actually request — this laptop to those screens, this player to everywhere, this camera to the recording feed — and count from the requests, adding the spare capacity that experience says the list has forgotten.
The spare pair deserves its own argument. An input kept free absorbs the visiting presenter, the replacement source, the temporary feed for the one event a year that needs it — the occasions whose absence from the plan is guaranteed and whose arrival is equally guaranteed. Buyers who defend the spare pair at purchase rarely regret it; buyers who fill the matrix exactly spend the difference later, in adapters and apologies.
Signal integrity across real cable runs
A matrix switches signals; the building delivers them, and the delivery is where video systems fail. Long runs, runs through noisy ceiling spaces, runs that must end at a projector mounted where nobody can reach it — each tests the signal chain differently, and the matrix's specification interacts with extenders, cable grades and the displays' own temperaments. The competent inquiry therefore describes the runs, not just the count: distances, routes, endpoint types. A recommendation made against that description can own the whole chain's behaviour; one made against the count alone owns only the box.
Resolution and format changes belong to the same conversation. A matrix chosen for today's sources will be asked to carry tomorrow's, and the switching behaviour — how the system handles a source at a different format arriving mid-session, how displays renegotiate — is felt by users as either polish or friction. Buyers running mixed and changing sources should say so plainly; it steers the choice more than the crosspoint count does.
Control of the matrix: who switches, and how fast
Switching is a user interface before it is a function. A boardroom matrix switched by its users from the table lives a different life from a venue matrix switched by a technician from a rack, and the two want different control surfaces, different presets and different ideas about what a mistake costs. Presets deserve particular thought: a well-chosen set — the meeting layout, the presentation layout, the video-call layout — turns ninety percent of switching into one press, and the remaining ten percent into a deliberate act. Buyers should describe their room's recurring layouts in the inquiry; the preset conversation that follows is one of the highest-value exchanges in the whole purchase.
Recovery behaviour completes the picture. When power returns after an outage, when a source is unplugged mid-meeting, when a display is replaced — does the matrix restore the room's working state, or present a puzzle? Institutions whose rooms must simply work at eight each morning should ask the question explicitly, because the answers differ between units in ways no crosspoint table records.
Related pages
Send an inquiry
Send the source and display counts per room, and the matrix sizes can be quoted against them.

