Amtune Signal Chains for Distribution Centres

A distribution centre asks for four different audiovisual jobs in one building, and most of the trouble in these projects comes from treating them as one. First, operational visual management: a screen at the end of each pick aisle and above each dock door showing throughput, backlog, door assignment and the next trailer. Second, the picking and put-away positions themselves, where a display or a tablet has to stay readable under high-bay lighting. Third, a training and shift-briefing room that has to be usable at 06:00 by a supervisor with no AV training. Fourth, paging and announcement audio across the floor, which in most buildings is already shared with music and safety messages.

The design rule that pays for itself is to give the status displays a single source of content. A small player or PC takes its data from the warehouse management system and renders the layout; the screen does not browse, does not run a general-purpose desktop and does not receive input from the floor. That keeps the WMS credential off the shop floor and makes the display deterministic. The second rule is a fallback: if the player dies at 04:00, the screen should show a static status card rather than a black panel, and the supervisor should be able to switch to a second input - a laptop with the shift plan - without calling anyone. A matrix or an AV-over-IP decoder with a defined default route gives you both.

Physically, this is one of the harsher environments an AV system gets installed in. Dust from cardboard and shrink wrap, vibration from forklifts, wide temperature swings at the doors, and continuous operation across three shifts with a maintenance window at shift change that is measured in minutes, not hours. Cable runs from a rack to a dock door routinely reach 80 to 120 metres, which puts the choice between HDBaseT point-to-point and a networked decoder in front of every project. Point-to-point is simpler and has fewer failure modes; a decoder lets one screen be re-tasked to another content source from a browser, which is what operations managers actually ask for six months after handover. Dust filtration, positive pressure in the rack and a documented cold-start sequence after a power cut matter more here than the specification sheet.

Audio has its own discipline. Dante or AES67 zones covering the dock, the mezzanine and the pick towers, with a paging priority above programme material, is the standard pattern and it works well - provided the evacuation and voice-alarm system stays a separate authority that AV can read but never override. Amtune's multi-viewers and seamless matrix switchers cover the wall of status sources at the operations desk, while AV extenders and AV-over-IP decoders carry the same picture to a door 100 metres away. We build these chains to a per-site template so a second and third building can be commissioned from the same drawing.