Audio applications
Fohhn Audio Solutions
FOHHNEducation

Education

Lecture theatres and auditoria engineered for hybrid teaching and full-room intelligibility.

Seats
80 – 1,200
Target STI
≥ 0.65
Integration
UC platforms
The acoustic challenge
  • Long, raked lecture halls lose intelligibility at the back rows.
  • Lecture capture and hybrid teaching need clean, consistent audio for remote students.
  • Rooms are used all day by many different lecturers with no technician present.
The CaesarTechs engineering approach
  • Steered columns beside the display wall cover the full rake with a single beam split.
  • Ceiling or lectern microphones feed automixing DSP with feedback-safe beam aiming.
  • One-touch presets so any lecturer gets the same result without adjustment.
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Recommended system

The stack we would specify for this environment.

Loudspeaker families
Linea Focus · Focus Modular
Amplification & DSP
System Amplifier DI-4.500
Beam steering strategy
Split beams for raked seating
Back-row clarity

Coverage engineered to the last seat.

Hybrid-ready

Clean feeds to the capture and conferencing platform.

Zero-touch

Presets remove day-to-day operator dependency.

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Integration scope
01

Mounted flush with the display wall, cabling in the AV riser

02

Interfaced with lecture-capture and UC platforms

03

Campus-wide monitoring from a single dashboard

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Visual reference

How it looks in the space.

Education audio integration reference 1
Education audio integration reference 2
Education audio integration reference 3
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Acoustic telemetry

The numbers behind the design.

Reverberation decay · RT60 1.1s
0 dB-60 dB
STI (predicted)
0.91
Direct / reverb
76%
SPL variance
± 3.2 dB
Throw distance
26 m
Vertical dispersion
Beam angle
-24°
Opening
16°
Mount height
9 m
Steering
Digital
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Signal chain

Microphones, UC codecs, media players and the emergency interface arrive on a redundant network layer with priority routing.

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Zone planner

Select the zones in your education project.

Zones selected
3
Beam channels
5
Amplifier estimate
2 × DI-4.500
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Coverage simulator

Pre-loaded with typical education room data.

Adjust the room, steer the beam and export a branded coverage study for your project file.

Select the space
Scale

Raked teaching space — front-row to back-row level consistency and clear consonants.

ViewCovered 18/90 · marginal 9
5.5 m13.9 m
Conventional loudspeaker — same room
5.5 m13.9 m24 m × 18 m × 9 m · University lecture hallDesign simulation — estimated coverage, not a measurement

Click any listening position to move the virtual listener · drag the array to change mounting height · every value is a design estimate until site measurement.

Room geometry · University lecture hall

Showing the parameters that matter most for a lecture hall. Switch to “Build my room” for the full geometry set.

LayersSeats covered 8/14 · drag the array, beam handle or listener
Conventional loudspeaker

Fixed vertical dispersion sprays energy at ceilings and rear walls. Reflections smear consonants.

Fohhn Beam Steering
5m10m16m21m26m-24°6.5m88 dB · 16m

Drag the array to set mounting height, drag the handle to steer, drag anywhere to move the listener.

Live acoustic telemetry
1 beam16° coverageRT60 1.1s45 dB(A)Beam locked
0 m26 mSteered line source — 3 dB / doublingConventional — 6 dB / doubling
STI gain
+33
D/R
12.1 dB
Uniformity
±3 dB
Coverage profile along the audience
Front to rear · 26 m · 1 beam at -24° / 16°
90 dB
87 dB
85 dB
84 dB
83 dB
89 dB
89 dB
88 dB
88 dB
87 dB
87 dB
87 dB
86 dB
79 dB
0 m13 m26 m
Beam steered Conventional
Front-to-rear variation
±5.4 dB
Conventional variation
±10.8 dB
Rear headroom over noise
+34 dB
Array mouth / ceiling
6.5 m of 9 m
Suggested family
Linea Focus
Amplification
System Amplifier DI-4.1000

Steered energy holds level across the seating plane instead of falling away behind the first rows — indicative design estimate, not a measurement.

Live audition · hear the configuration

Real programme material — a recorded announcement, a music bed or a pink-noise test signal — played through the current room, beam and noise settings.

Audition idle
Direct / reverberant
+6.0 dB
Room decay in ear
1.1 s RT60
Noise floor
45 dB(A)

Beam on the listener at 16 m — direct sound stays forward of the room tail, articulation holds at STI 0.89. Indicative sound design simulation, not a measurement or a Fohhn recording.

Dolby surround test

Channel-by-channel identification for a 5.1 / Atmos room. Tap any speaker to fire that channel, or run the full sweep.

Listener

Output routing is detected on first playback.

Live simulation
Conventional STI
0.56
Beam steered STI
0.89
Direct / reverberant
12.1 dB
Suggested family
Linea Focus
SPL at listener
88 dB
Headroom over noise
+43 dB

Beam locked on the listener — approx. +33 points of speech-intelligibility improvement versus a conventional system in the same room.

Drag inside the steered room to move the listener. Indicative simulation — not a measurement of a specific project.

Engineering study · project record
Engineering notes · auto-generated, editable

Design simulation — estimated performance until site measurement

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Typical project profile
University auditorium
600-seat raked hall, split-beam coverage
Faculty building
24 teaching spaces on one managed network
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Delivery program
PHASE 01
Acoustic survey

Site measurement of RT60, noise floor and geometry against the architect's model.

PHASE 02
Coverage modelling

Beam plots per zone with predicted STI and SPL maps issued as a report.

PHASE 03
Design & BOM

Loudspeaker schedule, amplifier count, cabling and containment drawn in CAD.

PHASE 04
Supply & staging

Equipment pre-configured and load-tested in the CaesarTechs facility.

PHASE 05
Installation

Mounting details coordinated with the fit-out contractor and MEP package.

PHASE 06
Commissioning & handover

On-site tuning, as-built documentation, operator training and remote monitoring.

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Engineering questions

We model the room in acoustic software and issue beam plots with predicted STI for every zone of the education space before a single bracket is ordered.

Yes. Beams are steered digitally, so re-tuning after a fit-out change is a software session — no ladders, no re-rigging.

Slim column profiles in custom finishes, flush or recessed where the architecture allows. Most clients see nothing at first glance.

The DSP core supports prioritised emergency broadcast paths and supervised monitoring alongside the everyday program audio.

CaesarTechs provides remote monitoring, firmware management and an SLA-backed response with local engineers.

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Other audio environments
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Let's design the audio for your education project.

Share your drawings and we will return a coverage plan, a bill of materials and a commissioning scope.

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