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| Rose Luckin, Danny Liu, Sue Keay, & Tom Worthington in headphones at EduTech_AU. Photo by Tom Worthington, CC-BY 4 June 2026 |
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| Audience in headphones at EduTech_Au 2026. Photo by Tom Worthington, CC-BY 4 June 2026 |
Global events company Terrapinn has created a very workable formula for a combined trade-show and multi-stream conference. For EduTech_Au everything is contained in the one exhibition space at the Sydney Convention & Exhibition Centre. The trade exhibits are in the center of the floor. Around the sides and back of the space are multiple simultaneous conference presentations.
As there are so many people in the room, all speaking at once, those attending a presentation have to wear headphones. Each presentation has a separate channel, with headphones lighting up in a color to indicate the channel (like a "silent disco"). A single presenter doesn't need headphones, but a panel does, as one panelist can't hear what another says. This sounds cumbersome, but works well, with sound which is clearer and more intimate, with the usual public address system.
This system works on a larges scale at EduTech Asia, which I will be experiencing again, first hand, in November.

