Silent, continuous, ambient feedback
Activity-aware. Never an alarm.
SchoolSense Sound
A wall-mounted sensor and web platform that turns continuous classroom acoustic measurement into NCCD-grade evidence.

The gap we’re closing
| Category | Examples | What’s missing |
|---|---|---|
| Classroom noise tools | Too Noisy, Yacker Tracker | Evidence; sensory-safe design |
| Industrial sound meters | SoundEar, Pulsar | Classroom UX; multi-room deployment |
| Wellbeing platforms | Life Skills GO, Sentral | Environmental data |
SchoolSense Sound is the connective tissue — objective acoustic data, formatted as inclusion and compliance evidence.
Optimal conditions vary by activity and by learner. The product reports; teachers and inclusion staff judge.
Four pillars
Activity-aware. Never an alarm.
Built for the 10-week / 7-year cycle
With Autism QLD, UQ, SPELD QLD
35–45 dB(A) target · 0.4–0.5s RT
Architecture
| Attribute | The sensor | The web platform | Companion mobile app |
|---|---|---|---|
| Form | Wall- or ceiling-mounted; smoke-detector-sized | Browser-based dashboard; three views | Optional phone app |
| Captures | L_Aeq, L_A90, L_AFmax, dB(A); passive RT_60 | Live state, history, adjustment logs, NCCD exports | Spot checks during outdoor or off-site activity |
| Data handling | On-device processing — raw audio never leaves | Numeric metrics only, Australian-hosted | Phone mic with clear calibration caveats |
| Power | USB-C or PoE for fixed install | Browser | Phone battery |
| Used by | Everyone in the room | Teachers, inclusion staff, leadership | Visiting OTs and inclusion coaches |
Instrumentation
Calibrated to AS/NZS 2107 reference and IEC 61672 Class 2 tolerance — a purpose-built classroom instrument optimised for education, not a research-grade Class 1 meter (those cost AUD $5,000–$15,000 and aren’t designed for multi-room deployment).
Hard rule
Acoustic processing happens on-device. Only derived numeric metrics — dB(A), timestamps, reverberation — leave the sensor. A hard rule, not a feature flag.
NCCD evidence
Adjustments and acoustic context, timestamped together. Exportable to Sentral, PLPs, and existing NCCD logs.
Sample · NCCD adjustment record
Adjustment planned
Front-row seating during literacy block (Student S.P., Year 4B)
Acoustic context (auto-captured)
L_Aeq
58 dB(A)
L_A90
47 dB(A)
Above 60 dB(A)
22 of 45 min
Implementation verified
Yes · 09:15–10:00 · Logged by M. Chen
QED v5.0 alignment
Ambient noise 35–45 dB(A); reverberation 0.4–0.5 seconds; STI ideally measured at commissioning.
No way for most schools to verify the thresholds — on day one, or five years in.
Exactly those metrics. Continuously. In every classroom — not a one-off commissioning visit.
AS/NZS 2107 reference. IEC 61672 Class 2 tolerance. Classroom-grade, not research-grade.
Research backing
Co-design partners
Lived-experience consultation; sensory-safe design review.
Auditory processing research; classroom acoustics evidence base.
Specific learning differences lens; teacher-facing usability.
Direct co-design sessions in pilot rooms; cultural and learning diversity treated as input; a feedback channel for the device itself.
The product reports metrics. It doesn’t diagnose. It never replaces OT assessment.
Five to ten Queensland schools, one term. Tell us about yours.
Join the QLD pilot