Multi-purpose halls engineering notes, UAE

01Overview

Design around the event and the changeover.

A presentation, a streamed panel discussion and a stage programme use the hall differently. We establish who operates each event, which sources the audience sees, what is recorded and how remote speakers join. The design then gives each destination its own agreed picture and sound.

The room sound mix supports the audience. The recording mix captures the event for replay. A hybrid conference adds a separate outgoing mix and an echo reference so remote participants can speak without hearing their own sound returned. Mode controls recall the approved routes and expose device status to the operator.

Reference designs · project selection and testing required. These examples describe intended functions and initial quantities. They are not fixed packages or evidence of completed installations. Seat counts are planning assumptions, not equipment capacity ratings.

For daily teaching and lesson workflows, explore learning and presentation spaces. A touring concert or a large production requires its own rider, power, rigging and production design; it is outside these baseline hall examples.

02Where it is used06 environments

Real environments, real priorities.

Application register
No.	Environment	Who uses it	Work and content	What matters most	Typical systems
A01	Company event hall	Presenter and seated audience	Briefings, announcements and slides	Readable content and consistent speech levels	MH-01: presentation and room sound
A02	Community hall	Host, speakers and audience	Talks, ceremonies and questions	Simple source selection and microphone handover	MH-01, or MH-02 for recording
A03	Recorded panel event	Moderator, panel and online viewers	Switch camera views and publish an event	A complete programme and an independent recording mix	MH-02: two cameras and recorder
A04	Public lecture event	Visiting speaker, operator and audience	Show material and stream a scheduled event	Reliable preparation, monitoring and end-of-event file checks	MH-02
A05	Hybrid conference	Local panel and remote speakers	Two-way discussion with presentation content	Echo control and distinct local, outgoing and recorded views	MH-03
A06	Hall with a stage programme	Performers and technical operator	Change from a conference to a rehearsed performance	Stage inputs, monitor mixes, lighting cues and checked changeovers	MH-03, adapted to the rider

03Typical configurations

Three starting points, compared.

Compare all 3 configurations

Configuration

Presentation hall

MH-01

Show presentation material and reinforce speech in the hall. Reference design; room tests required.

Explore MH-01

Recorded and streamed events

MH-02

Switch camera views and capture the event with a separate recording mix. Reference design; recording and stream tests required.

Explore MH-02

Conference and stage modes

MH-03

Coordinate two-way conferences and stage programmes through agreed modes. Reference design; platform, routing and mode tests required.

Explore MH-03

Primary task

Present to the audience in the hall

Produce a recorded or streamed event

Change between presentations, hybrid conferences and stage programmes

Planning assumption

One hall, up to 80 seats

One hall, up to 150 seats

One hall, up to 250 seats

Microphone and stage inputs

2 wireless channels + 1 lectern microphone

4 wireless channels + 2 wired microphone/DI channels

6 wireless speech channels + 8 wired microphone/DI channels

Presentation and cameras

One presentation source; no cameras

One presentation source and 2 PTZ cameras

One presentation source, 3 PTZ cameras and a separate call return

Displays

One main display

One main display and one operator multiview monitor

Main display, presenter confidence display and operator multiview monitor

Audio destinations

Room sound

Room sound, 2 stage monitor mixes and stereo recording mix

Room sound, 4 stage monitor mixes, recording mix and separate call send

Recording

Not included

One selected programme with event sound

Local programme plus an agreed remote-participant layout and event sound

Remote participation

Not included

One-way streaming; no return call

Two-way speech and video on the selected platform

Lighting

Existing room lighting; stage lighting optional

One designed stage-lighting package; fixture schedule by project

Operation

Presenter controls; trained person sets sound levels

Event operator selects views and monitors recording

Technical operator supervises mode changes, conferencing and stage cues

Delivery status

Reference design; room tests required

Reference design; recording and stream tests required

Reference design; platform, routing and mode tests required

Presentation hall

MH-01

Show presentation material and reinforce speech in the hall. Reference design; room tests required.

Explore MH-01

Primary task: Present to the audience in the hall
Planning assumption: One hall, up to 80 seats
Microphone and stage inputs: 2 wireless channels + 1 lectern microphone
Presentation and cameras: One presentation source; no cameras
Displays: One main display
Audio destinations: Room sound
Recording: Not included
Remote participation: Not included
Lighting: Existing room lighting; stage lighting optional
Operation: Presenter controls; trained person sets sound levels
Delivery status: Reference design; room tests required

Recorded and streamed events

MH-02

Switch camera views and capture the event with a separate recording mix. Reference design; recording and stream tests required.

Explore MH-02

Primary task: Produce a recorded or streamed event
Planning assumption: One hall, up to 150 seats
Microphone and stage inputs: 4 wireless channels + 2 wired microphone/DI channels
Presentation and cameras: One presentation source and 2 PTZ cameras
Displays: One main display and one operator multiview monitor
Audio destinations: Room sound, 2 stage monitor mixes and stereo recording mix
Recording: One selected programme with event sound
Remote participation: One-way streaming; no return call
Lighting: Existing room lighting; stage lighting optional
Operation: Event operator selects views and monitors recording
Delivery status: Reference design; recording and stream tests required

Conference and stage modes

MH-03

Coordinate two-way conferences and stage programmes through agreed modes. Reference design; platform, routing and mode tests required.

Explore MH-03

Primary task: Change between presentations, hybrid conferences and stage programmes
Planning assumption: One hall, up to 250 seats
Microphone and stage inputs: 6 wireless speech channels + 8 wired microphone/DI channels
Presentation and cameras: One presentation source, 3 PTZ cameras and a separate call return
Displays: Main display, presenter confidence display and operator multiview monitor
Audio destinations: Room sound, 4 stage monitor mixes, recording mix and separate call send
Recording: Local programme plus an agreed remote-participant layout and event sound
Remote participation: Two-way speech and video on the selected platform
Lighting: One designed stage-lighting package; fixture schedule by project
Operation: Technical operator supervises mode changes, conferencing and stage cues
Delivery status: Reference design; platform, routing and mode tests required

Reference configurations. Example quantities require project selection, compatibility checks and system acceptance tests.

Follow the signal path for your configuration.

MH-01

Presentation hall

Reference design; room tests required

A presenter connects a laptop, uses a lectern or wireless microphone and shows material on the main display.

Discuss MH-01

Functional reference design: HDMI presentation to one main display, three microphone channels to room sound, and separate room controls.

Signal flow

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 7 connections

Functional reference design: HDMI presentation to one main display, three microphone channels to room sound, and separate room controls.

LAP: 1 customer laptop
EX: 1 HDMI interface stereo extraction
MAIN: 1 main display system
RF: 2 wireless channels
MIX: 1 digital mixer 5 input channels used
WIRED: 1 lectern microphone
PA: 1 room DSP 2 inputs / 2 outputs used
SP: 2 powered mains amplification included

LAP → EXHDMI
EX → MAINHDMI
RF → MIX2 balanced analogue
WIRED → MIX1 balanced analogue
MIX → PAST L/R analogue
PA → SP2 line outputs
EX → MIXstereo line: 2 channels

1 cable set + 1 rack/power set 1 programming work package site quantities required

Reference design; no recording or call. Solid = media; dashed = control/status. Local power supplies; no PoE assumed.

Control & status

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 3 connections

Functional reference design: HDMI presentation to one main display, three microphone channels to room sound, and separate room controls.

MAIN: 1 main display system
PA: 1 room DSP 2 inputs / 2 outputs used
CTRL: 1 integrated panel/controller
NET: 1 managed switch 4 ports planned

CTRL ↔ NETcommands / status via LAN
NET ↔ PAIP commands / status
NET ↔ MAINIP commands / status

1 cable set + 1 rack/power set 1 programming work package site quantities required

Reference design; no recording or call. Solid = media; dashed = control/status. Local power supplies; no PoE assumed.

Typical architecture · not a project drawing

Workflow, boundaries and intended result

Composition

One customer presentation device, one HDMI interface with stereo audio extraction, one main display system, two wireless microphone channels, one lectern microphone, one digital mixer and one room audio processor. Two powered main loudspeakers form the initial coverage layout. One integrated control panel/controller and the hall infrastructure complete the example.

Boundaries

Cameras, recording, streaming, two-way conferencing and stage monitor mixes are outside this baseline. The presentation device must provide the agreed HDMI format and unprotected content. Speaker quantity, image size, cable transport and any hearing-assistance system are confirmed against the room.

Intended result

Staff can connect the agreed source and show slides. The room panel controls the display and overall sound level; microphone channel mutes remain on the mixer. A repeatable startup and shutdown procedure covers both controls.

Example equipment for MH-01

Example quantities for the selected configuration; final selection follows the approved design. A catalogue listing does not confirm stock, delivery time or complete-system compatibility.

Main / confidence / multiview displays: 1 / 0 / 0
LED options; other display types by specification
LED options
Wireless channels / wired microphone or DI channels: 2 / 1
Microphones and wireless microphone systems
Microphones and wireless microphone systems
Digital console / stage I/O unit: 1 / 0
Audio processing
Audio processing
Room audio processor / conferencing audio processor: 1 / 0
Audio processing
Audio processing
Powered main positions or groups / fills / monitors: 2 / 0 / 0
Loudspeakers
Loudspeakers
HDMI interfaces with extraction / additional HDMI splitters: 1 / 0
Interfaces selected to the signal schedule
Integrated room panel/controller / stage-lighting package: 1 / optional
Lighting control · Stage lighting
Lighting control
Stage lighting

MH-02

Recorded and streamed events

Reference design; recording and stream tests required

An event operator switches between two camera views and presentation material, while the room audience watches the selected source and online viewers receive the programme.

Discuss MH-02

Functional reference design: two SDI cameras and presentation to production switching, room display and recording; separate room, stage monitor and record mixes.

Video & data

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 10 connections

Functional reference design: two SDI cameras and presentation to production switching, room display and recording; separate room, stage monitor and record mixes.

CAM: 2 PTZ cameras local DC power
SW: 1 production switcher 3 of 8 inputs used
LAP: 1 customer laptop
EX: 1 HDMI interface stereo extraction
H2S: 1 HDMI-to-SDI converter
REC: 1 recorder/encoder 1 recording medium
S2H1: SDI-to-HDMI 1 of 2
MAIN: 1 main display system
S2H2: SDI-to-HDMI 2 of 2
MV: 1 operator multiview monitor
DEST: Customer streaming destination and archive workflow

CAM → SW2 x 3G-SDI
LAP → EXHDMI
EX → H2SHDMI
H2S → SWSDI input 3
SW → RECOUT 1: programme SDI
SW → S2H1OUT 2: AUX selected input or programme
S2H1 → MAINHDMI
SW → S2H2OUT 3: multiview SDI
S2H2 → MVHDMI
REC → DESTencoded IP via AV switch / WAN

Reference design: one-way streaming, no call return. 2 SDI-to-HDMI converters in total; OUT 4 unused. Room and recorder embedded audio muted. Shared cabling, rack/power and programming counted once.

Audio & return paths

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 9 connections

Functional reference design: two SDI cameras and presentation to production switching, room display and recording; separate room, stage monitor and record mixes.

EX: 1 HDMI interface stereo extraction
REC: 1 recorder/encoder 1 recording medium
RF: 4 wireless channels
SB: 1 stagebox 8 of 16 inputs used
WIRED: 2 wired microphone / DI channels
MIX: 1 digital mixer 8 of 16 inputs used
PA: 1 room DSP 2 in / 4 out used
SP: 2 powered mains
FILL: 2 powered front fills
MON: 2 powered monitors

RF → SB4 analogue
WIRED → SB2 analogue
SB → MIX8 Dante channels via AV switch
MIX → PAST L/R: 2 analogue
PA → SPline 1-2
PA → FILLline 3-4
MIX → MONAUX 1-2: 2 mono line
MIX → RECAUX 3-4: stereo line
EX → SBstereo line: 2 analogue

Reference design: one-way streaming, no call return. 2 SDI-to-HDMI converters in total; OUT 4 unused. Room and recorder embedded audio muted. Shared cabling, rack/power and programming counted once.

Control & status

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 7 connections

Functional reference design: two SDI cameras and presentation to production switching, room display and recording; separate room, stage monitor and record mixes.

CAM: 2 PTZ cameras local DC power
SW: 1 production switcher 3 of 8 inputs used
REC: 1 recorder/encoder 1 recording medium
MAIN: 1 main display system
PA: 1 room DSP 2 in / 4 out used
CTRL: 1 integrated panel/controller
NET: 1 managed AV switch 13 ports planned Dante / control / stream
OPS: 1 operator workstation UI monitor and headphones

CTRL ↔ NETIP
OPS ↔ NETIP control and monitoring
NET ↔ CAMIP presets / feedback
NET ↔ SWIP routes / status
NET ↔ RECIP record / state
NET ↔ PAIP room level / status
NET ↔ MAINIP power / input / status

Reference design: one-way streaming, no call return. 2 SDI-to-HDMI converters in total; OUT 4 unused. Room and recorder embedded audio muted. Shared cabling, rack/power and programming counted once.

Typical architecture · not a project drawing

Workflow, boundaries and intended result

Composition

Four wireless and two wired microphone/DI channels, a stereo presentation feed, one digital mixer, one stage I/O unit and one room audio processor. The initial sound layout has two powered mains, two powered front fills and two powered stage monitors. Two PTZ cameras feed one HD SDI production switcher. One HDMI-to-SDI converter brings in the presentation; two SDI-to-HDMI converters serve the main display and operator multiview. A recorder/encoder with recording media receives the selected programme and a dedicated stereo audio mix. A control panel/controller, operator workstation and shared hall infrastructure support operation.

Boundaries

Streaming is one-way. A live remote speaker requires the MH-03 conferencing paths. The room display can follow programme or a selected source; it is not a second independently composed production. The base recording keeps the selected programme, not separate camera files. The destination platform and internet service are supplied or agreed with the customer. Cameras use operator presets; automatic tracking is not included.

Intended result

The operator can check the live picture and recording status, capture questions through the assigned microphones and deliver a playable programme file with the correct sound.

Example equipment for MH-02

Example quantities for the selected configuration; final selection follows the approved design. A catalogue listing does not confirm stock, delivery time or complete-system compatibility.

Main / confidence / multiview displays: 1 / 0 / 1
LED options; other display types by specification
LED options
Wireless channels / wired microphone or DI channels: 4 / 2
Microphones and wireless microphone systems
Microphones and wireless microphone systems
Digital console / stage I/O unit: 1 / 1
Audio processing
Audio processing
Room audio processor / conferencing audio processor: 1 / 0
Audio processing
Audio processing
Powered main positions or groups / fills / monitors: 2 / 2 / 2
Loudspeakers
Loudspeakers
PTZ cameras / USB video capture: 2 / 0
Conference equipment; capture by specification
Conference equipment
Production switcher / display matrix: 1 / 0
Switchers · Matrices
Switchers
Matrices
HDMI interfaces with extraction / additional HDMI splitters: 1 / 0
Interfaces selected to the signal schedule
HDMI-to-SDI / SDI-to-HDMI converters: 1 / 2
Interfaces selected to the signal schedule
Recorder / recording medium: 1 / 1
Selected to format, duration and publication workflow
Conferencing PC / operator workstation: 0 / 1
Selected with IT; operator workstation includes its own UI monitor
Integrated room panel/controller / stage-lighting package: 1 / optional
Lighting control · Stage lighting
Lighting control
Stage lighting

MH-03

Conference and stage modes

Reference design; platform, routing and mode tests required

The technical operator prepares a presentation, a hybrid panel discussion or a rehearsed stage programme, then changes routes and controls using an approved mode table.

MH-03 · Conference and stage modes diagram MH-03 · Conference and stage modes diagram Discuss MH-03

MH-03 · Reference drawing

MH-03 · Conference and stage modes

Functional reference design: six individual conference microphone feeds, echo reference, separate USB call send and return, room sound, four monitor mixes and recording.

Reference design; platform, routing and mode tests required

Audio & return paths

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

All 16 connections · 12 devices and services

Choose a connection to read its endpoints, direction and interface. Repeated device IDs refer to the same equipment across views.

Devices, connections & design conditions 16 connections

Functional reference design: six individual conference microphone feeds, echo reference, separate USB call send and return, room sound, four monitor mixes and recording.

RF: 6 wireless speech channels
SB: 1 stagebox 16 analogue inputs used
WIRED: 8 wired microphone / DI channels stage mode only
EX: 1 HDMI interface same device as video drawing
MIX: 1 console: at least 32 inputs 24 processing channels used ST stereo + 8 mono-equivalent AUX
AEC: 1 AEC DSP: 6 speech AEC Dante licence at least 16x16 RX 10 / TX 8 used reference L/R summed to mono
UC: 1 conference PC same device as video drawing
PA: 1 room DSP 2 in / 4 out used
SP: 2 powered main groups cabinet count by coverage design
FILL: 2 powered front fills
MON: 4 powered monitors muted in conference baseline
REC: 1 recorder/encoder same device as video drawing

RF → SB6 analogue
WIRED → SB8 analogue
EX → SBstereo line: 2 analogue
SB → MIX16 Dante via AV switch
MIX → AECDante 1-6: individual raw speech
MIX → AECDante 7-8: direct content L/R
MIX → AECDante 9-10: reference AUX7-8 post-fader remote + content only same dual-mono PA content
AEC → UCUSB send: AEC speech + content remote excluded
UC → AECUSB receive: remote L/R
AEC → MIXDante TX1-2: remote L/R
AEC → MIXDante TX3-8: AEC-clean speech6 record-only returns
MIX → PAST L/R: 2 line outputs
PA → SPline 1-2
PA → FILLline 3-4
MIX → MONAUX1-4: 4 mono line outputs
MIX → RECAUX5-6: stereo line conference: clean speech + content + remote stage: raw sources + content

Reference design; 48 kHz audio. Stage mode disconnects call; conference mutes stage inputs. AEC-clean returns never feed PA or AEC microphone inputs. Raw speech never joins clean speech in conference recording. Six microphone inputs use individual pre-processing direct outs.

Control & status

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 4 connections

Functional reference design: six individual conference microphone feeds, echo reference, separate USB call send and return, room sound, four monitor mixes and recording.

MIX: 1 console: at least 32 inputs 24 processing channels used ST stereo + 8 mono-equivalent AUX
AEC: 1 AEC DSP: 6 speech AEC Dante licence at least 16x16 RX 10 / TX 8 used reference L/R summed to mono
PA: 1 room DSP 2 in / 4 out used
CTRL: 1 integrated panel/controller same device as video drawing
NET: 1 managed AV switch same device as video drawing Dante / control / WAN

CTRL ↔ NETIP commands / state
NET ↔ AECIP preset / status
NET ↔ MIXIP mode / status
NET ↔ PAIP calibration / status

Reference design; 48 kHz audio. Stage mode disconnects call; conference mutes stage inputs. AEC-clean returns never feed PA or AEC microphone inputs. Raw speech never joins clean speech in conference recording. Six microphone inputs use individual pre-processing direct outs.

Typical architecture · not a project drawing

MH-03 · Reference drawing

MH-03 · Conference and stage modes

Functional reference design: local programme feeds the call; remote video goes separately to displays and the recorder, avoiding a video return loop.

Reference design; platform, routing and mode tests required

Signal flow

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

All 19 connections · 17 devices and services

Choose a connection to read its endpoints, direction and interface. Repeated device IDs refer to the same equipment across views.

Devices, connections & design conditions 19 connections

Functional reference design: local programme feeds the call; remote video goes separately to displays and the recorder, avoiding a video return loop.

CAM: 3 PTZ cameras local DC power
SW: 1 production switcher 4 of 8 inputs used
LAP: 1 customer laptop
EX: 1 HDMI interface 2 mirrored outs + stereo extraction
H2S: 1 HDMI-to-SDI converter
CAP: 1 SDI-to-USB capture video only in call
UC: 1 conference PC own UI monitor + HDMI remote out
REC: 1 recorder/encoder 1 recording medium local + remote layout
S2H1: SDI-to-HDMI 1 of 2
MATRIX: 1 HDMI matrix at least 3 in / 2 independent out
SPLIT: 1 HDMI 1x2 splitter
MAIN: 1 main display system
CONF: 1 confidence display
S2H2: SDI-to-HDMI 2 of 2
MV: 1 operator multiview monitor
DEST: Customer stream / archive
REMOTE: Remote participants

CAM → SW3 x SDI inputs 1-3
LAP → EXHDMI
EX → H2SHDMI A
H2S → SWSDI input 4
SW → CAPOUT 2: local programme SDI
CAP → UCUSB 3 video
SW → RECOUT 1: local programme SDI
SW → S2H1OUT 3: local programme SDI
S2H1 → MATRIXHDMI input 2
EX → MATRIXHDMI B: slides input 1
UC → SPLITHDMI: remote view only
SPLIT → MATRIXHDMI input 3
SPLIT → RECHDMI remote gallery
MATRIX → MAINHDMI out 1
MATRIX → CONFHDMI out 2
SW → S2H2OUT 4: multiview SDI
S2H2 → MVHDMI
REC → DESTencoded IP via switch / WAN
UC ↔ REMOTEplatform via switch / WAN

Reference design; HD media paths. Remote video has no path into the production switcher. See audio drawing for USB sound, record mix and content audio. Duplicated device labels refer to the same equipment.

Control & status

Signal flow. Devices, connections and conditions follow the drawing.Open SVG ↗

Devices, connections & design conditions 8 connections

Functional reference design: local programme feeds the call; remote video goes separately to displays and the recorder, avoiding a video return loop.

CAM: 3 PTZ cameras local DC power
SW: 1 production switcher 4 of 8 inputs used
REC: 1 recorder/encoder 1 recording medium local + remote layout
MATRIX: 1 HDMI matrix at least 3 in / 2 independent out
MAIN: 1 main display system
CTRL: 1 integrated panel/controller
NET: 1 managed AV switch 18 ports planned
OPS: 1 operator workstation UI monitor + headphones
LIGHT: 1 stage-lighting package console to DMX distribution and fixtures fixture count and power by design

CTRL ↔ NETIP
OPS ↔ NETIP operation / monitoring
NET ↔ CAMIP presets / feedback
NET ↔ SWIP routing / status
NET ↔ MATRIXIP routes / status
NET ↔ RECIP recording / actual state
NET ↔ MAINIP commands / status
NET ↔ LIGHTIP cue request / status

Reference design; HD media paths. Remote video has no path into the production switcher. See audio drawing for USB sound, record mix and content audio. Duplicated device labels refer to the same equipment.

Typical architecture · not a project drawing

Workflow, boundaries and intended result

Composition

Six wireless speech channels and eight wired microphone/DI channels, one stage I/O unit and a digital console with at least 32 processing inputs. An echo-cancelling processor handles six separate conference microphone feeds, USB call audio and the recording speech returns. Room sound processing feeds two powered main groups and two powered front fills as an initial layout; four powered monitors have individual mixes. Three PTZ cameras and the presentation feed a production switcher. A separate display matrix serves the main and confidence displays. One conferencing PC, one SDI-to-USB capture device, one recorder with media, two HDMI distribution interfaces, one HDMI-to-SDI converter and two SDI-to-HDMI converters complete the media paths. Controls, an operator workstation and a designed stage-lighting package support the modes.

Boundaries

The baseline conference uses the six speech microphones. The eight stage microphone/DI channels serve the stage mode and are muted during the conference. Adding them to a call requires more echo-processing capacity and a revised mix. Stage mode disconnects the call; live remote musical collaboration is outside this design. Main loudspeaker groups, front fills, subs if needed and lighting fixtures are finalised from acoustics, sightlines and the rider. This is not a preset concert PA rating.

Intended result

Local and remote participants can hear the intended speakers; the call never receives its own return picture or direct return audio. The operator can change to stage mode, use the stage inputs and monitor mixes, then restore the approved conference configuration after a sound check.

Operating modes
Mode	Main / confidence displays	Room and recording sound	Call and lighting
Presentation	Slides / slides	Presenter and programme; recording only when authorised	Call disconnected; presentation lighting
Hybrid conference	Selected local view or remote participants / slides	Six speech microphones, content and remote return; separate record mix	Six echo-processed microphones and content sent; remote return excluded; conference lighting
Stage programme	Selected local programme / agreed source	Stage microphones/DI, programme and four monitor mixes; separate record mix	Call disconnected; operator-controlled stage cues

Example equipment for MH-03

Example quantities for the selected configuration; final selection follows the approved design. A catalogue listing does not confirm stock, delivery time or complete-system compatibility.

Main / confidence / multiview displays: 1 / 1 / 1
LED options; other display types by specification
LED options
Wireless channels / wired microphone or DI channels: 6 / 8
Microphones and wireless microphone systems
Microphones and wireless microphone systems
Digital console / stage I/O unit: 1 / 1
Audio processing
Audio processing
Room audio processor / conferencing audio processor: 1 / 1
Audio processing
Audio processing
Powered main positions or groups / fills / monitors: 2 groups / 2 / 4
Loudspeakers
Loudspeakers
PTZ cameras / USB video capture: 3 / 1
Conference equipment; capture by specification
Conference equipment
Production switcher / display matrix: 1 / 1
Switchers · Matrices
Switchers
Matrices
HDMI interfaces with extraction / additional HDMI splitters: 1 / 1
Interfaces selected to the signal schedule
HDMI-to-SDI / SDI-to-HDMI converters: 1 / 2
Interfaces selected to the signal schedule
Recorder / recording medium: 1 / 1
Selected to format, duration and publication workflow
Conferencing PC / operator workstation: 1 / 1
Selected with IT; operator workstation includes its own UI monitor
Integrated room panel/controller / stage-lighting package: 1 / 1
Lighting control · Stage lighting
Lighting control
Stage lighting

05Reference architectureInteractive

How a typical system fits together.

Typical architecture · Multi-purpose halls

L2 · Selected layerProcessing & transport

How signals are routed and processed in a typical system of this kind.

Components and interfaces

HDMI distribution and conversionHDMI / SDI / AudioHD media paths; longer cable runs and network settings selected by project
SDI production switchingHDMI / SDI / AudioHD media paths; longer cable runs and network settings selected by project
Analogue or Dante audioHDMI / SDI / AudioHD media paths; longer cable runs and network settings selected by project
Separate recording, room and call mixesHDMI / SDI / AudioHD media paths; longer cable runs and network settings selected by project

Documented scope · Multi-purpose halls

Presentation connections, main display and sightline checks.
Speech microphones, sound processing, room coverage and stage monitoring.
Cameras, event recording and streaming in MH-02 and MH-03.
Two-way conferencing and separate return paths in MH-03.
Stage lighting and operated mode changes in MH-03.
Control integration, network interfaces, commissioning and operator training.

Prepare for the first conversation

01Hall plan and section, seating layouts, sightlines and room finishes.
02Stage dimensions, presenter positions, access and operator location.
03Event list, changeovers, staffing and any performance rider.
04Microphone, instrument, laptop and playback source list.
05Recording layouts, stream destination, retention and publication rules.
06Conferencing platform, remote-participant workflow and customer IT contacts.
07Existing equipment, cable routes, network, power, cooling and mounting constraints.
08Accessibility needs, radio operation, building interfaces and acceptance priorities.

Share your hall brief

06Design parametersTypical guidance · confirmed per project

What the design has to get right.

Design parameters
No.	Parameter	Guidance	Rule of thumb	Confirmed with
D01	Event formats	List presentations, panels, performances and changeovers	Define a mode and operator for each event	Venue team
D02	Seating and sightlines	Review the smallest content and blocked views	Size and position displays for the actual audience	Architect and AV designer
D03	Room acoustics	Check background noise, finishes and reverberation	Model coverage before choosing cabinets and amplification	Acoustic designer
D04	Stage inputs	Collect the full microphone, instrument and playback list	Count processing inputs, physical sockets and output buses separately	Technical operator
D05	Hybrid participation	Identify active speech microphones and remote contributors	Allocate individual AEC paths, reference and mix-minus	AV engineer and IT
D06	Recording	Choose programme layout, audio and retention	Keep capture, publication and access responsibilities explicit	Event owner
D07	Video destinations	Define hall, confidence, multiview, recording and call views	Mirrored outputs do not create independent compositions	Video operator
D08	Lighting and power	Check stage tasks, positions and available circuits	Produce a fixture, load and cue schedule	Lighting and electrical designers
D09	Accessibility and RF	Establish hearing assistance and permitted radio operation	Confirm applicable project requirements before procurement	Venue and relevant specialists
D10	Operation and recovery	Agree manual fallback and loss-of-network behaviour	Test each mode and its changeover	Venue operator and IT

Common mistakes

And how the design process prevents them.

M01
Mistake: The recording loses speech when room volume changes.
Prevention: Give recording its own mix and check it in headphones.
M02
Mistake: Remote speakers hear their own voices returned.
Prevention: Verify both the outgoing mix and the acoustic echo-reference path.
M03
Mistake: The call shows itself inside itself.
Prevention: Keep remote video physically outside the local production feed sent to the call.
M04
Mistake: The confidence display can only mirror the hall.
Prevention: Specify independent routing and count its output before ordering.
M05
Mistake: There are enough input sockets but too few mixes.
Prevention: Reserve monitor, record and reference buses as well as main left/right.
M06
Mistake: A mode button reports success after a device fails.
Prevention: Use actual device feedback and a documented manual recovery procedure.

07Design referencesEditions checked per project

The references we design to.

Equipment documentation and industry guides04

ANSI/AVIXA V202.01Display Image Size for 2D ContentDisplay sizing and viewing positionsCheck current edition
AVIXA V201.01Image System Contrast RatioImage contrast under event lightingCheck current edition
ANSI/AVIXA A102.01Audio Coverage UniformitySound coverage across agreed listening areasCheck current edition
ANSI/AVIXA D402.02AV Systems Performance VerificationProject checks and recorded resultsCheck current edition

Local and project requirements01

Applicable venue and local requirementsProject design referenceRadio operation, accessibility, electrical works, rigging and building interfacesCheck current edition

08Integrations08 interfaces

Connected to the building and its IT.

I01
Guest presentation device
HDMI video and extracted stereo audio
Test accepted formats, adapters and unprotected content
I02
Streaming destination
Encoder output over the agreed IP protocol
Customer provides destination, credentials and usable uplink; MH-02/03
I03
Conferencing service
USB video capture, separate USB audio and HDMI return
Validate the actual PC, application and account; MH-03
I04
Venue IT
Managed Ethernet, addressing, VLANs and time services
Agree media/control access and remote support boundaries
I05
Lighting controls
Agreed IP/serial cue interface and DMX distribution
Hall modes request cues; lighting operator retains control; MH-03
I06
Recording repository
Approved file transfer and access workflow
Confirm storage, retention, publication and deletion responsibility
I07
Hearing assistance
Dedicated agreed audio feed and selected distribution system
Add the required system and receivers to the site design
I08
Building systems
Approved control or status interface
Coordinate blinds, room lights and fire-alarm response with responsible contractors; AV does not replace life-safety systems

09Equipment06 catalogue types

What a system of this kind is built from.

Video6 products

Switchers and KVMIn the catalogue Video15 products

Modular matricesIn the catalogue Audio31 products

MicrophonesIn the catalogue Audio8 products

Mixers and processorsIn the catalogue Audio155 products

LoudspeakersIn the catalogue Lighting5 products

Control and signalIn the catalogue CatalogueAll 1,484 products, with the manufacturers' specifications and documents.Open the catalogue

10Delivery

From the brief to an accepted system.

Stage 01
Scope and architecture
Event and mode list; operator responsibilities; included subsystems and external services
- Event and mode list
- Operator responsibilities
- System and service boundaries
Stage 02
Design and approval
Display and sound layouts; audio/video routing and mode tables; stage connections, network and power schedules
- Display and sound layouts
- Signal and mode tables
- Stage, network and power schedules
Stage 03
Selection and supply
Agreed equipment schedule; checked converters, capture and audio interfaces; software, licences and recording media
- Agreed equipment set
- Checked media interfaces
- Software and licence schedule
Stage 04
Installation and programming
Installed and labelled system; configured mixes, camera presets and room modes; device status and recovery controls
- Installed and labelled system
- Configured sound and camera routes
- Room presets and status controls
Stage 05
Commissioning and tests
Each agreed event mode tested; changeovers and failure recovery checked; recording, stream or call reports where included
- Event-mode rehearsals
- Recording or call checks
- Changeover and recovery results
Stage 06
Handover
Operator rehearsal and training; as-built schematics and saved configurations; startup, recording and fault-recovery guides
- Operator training
- As-built diagrams and settings
- Event and recovery guides

Documented outcomes

01

Show presentation material and reinforce speech in the hall.

02

Switch camera views and capture the event with a separate recording mix.

03

Coordinate two-way conferences and stage programmes through agreed modes.

11Acceptance

Verify the complete workflow.

MH-01

Reference design; room tests required

For every hall, review real presentation material from the agreed seats, check speech coverage and microphone handover, and test startup, mute and shutdown. Record the agreed criteria and measured results. MH-02 adds a full-duration event rehearsal, each camera and presentation input, the separate room and recording mixes, lip sync, a playable exported file and destination stream checks. Loss of internet must be tested alongside local recording behaviour. MH-03 adds two-way speech with all six conference microphones, simultaneous local and remote speech, remote video excluded from the outgoing feed, and independent main/confidence views. Rehearse presentation → conference → stage → conference, including microphone state, four monitor mixes, lighting cues, recording continuity and recovery after a controlled restart. These are checks to perform on the selected system. No reference configuration in this package has passed physical acceptance testing.

Record supplied: Agreed criteria, equipment and version schedule, measured test results and recovery procedure.

These are planned project checks. The reference configuration has not passed physical system acceptance.

MH-02

Reference design; recording and stream tests required

For every hall, review real presentation material from the agreed seats, check speech coverage and microphone handover, and test startup, mute and shutdown. Record the agreed criteria and measured results. MH-02 adds a full-duration event rehearsal, each camera and presentation input, the separate room and recording mixes, lip sync, a playable exported file and destination stream checks. Loss of internet must be tested alongside local recording behaviour. MH-03 adds two-way speech with all six conference microphones, simultaneous local and remote speech, remote video excluded from the outgoing feed, and independent main/confidence views. Rehearse presentation → conference → stage → conference, including microphone state, four monitor mixes, lighting cues, recording continuity and recovery after a controlled restart. These are checks to perform on the selected system. No reference configuration in this package has passed physical acceptance testing.

Record supplied: Agreed criteria, equipment and version schedule, measured test results and recovery procedure.

These are planned project checks. The reference configuration has not passed physical system acceptance.

MH-03

Reference design; platform, routing and mode tests required

For every hall, review real presentation material from the agreed seats, check speech coverage and microphone handover, and test startup, mute and shutdown. Record the agreed criteria and measured results. MH-02 adds a full-duration event rehearsal, each camera and presentation input, the separate room and recording mixes, lip sync, a playable exported file and destination stream checks. Loss of internet must be tested alongside local recording behaviour. MH-03 adds two-way speech with all six conference microphones, simultaneous local and remote speech, remote video excluded from the outgoing feed, and independent main/confidence views. Rehearse presentation → conference → stage → conference, including microphone state, four monitor mixes, lighting cues, recording continuity and recovery after a controlled restart. These are checks to perform on the selected system. No reference configuration in this package has passed physical acceptance testing.

Record supplied: Agreed criteria, equipment and version schedule, measured test results and recovery procedure.

These are planned project checks. The reference configuration has not passed physical system acceptance.

12Inputs and FAQ

Before we begin.

What to send us, and practical answers before the project starts.

Can one hall support presentations, conferences and performances?

Yes, when the design includes the sources, destinations, sound coverage and controls needed for those formats. MH-03 is the starting point for coordinated conference and stage modes; the final rider sets the stage-system scope.

Does every configuration include recording or remote speakers?

MH-01 covers presentation and room sound. MH-02 adds recording and one-way streaming. MH-03 adds two-way conferencing, separate return paths and stage modes.

Are the seat counts guaranteed capacities?

No. They describe the example briefs. Room shape, acoustics, content, sightlines and the event programme determine the design.

Can the hall display differ from the recording or call view?

Yes, within the specified routes. MH-02 can route programme or a selected source to the hall. MH-03 adds independent main and confidence display routing and a separate remote-video path to the recorder. Extra independently composed programmes require additional production capacity.

Can we record every camera separately or work in 4K?

The baseline captures an HD programme. Separate source recording needs additional media capacity and testing. End-to-end 4K requires a review of cameras, converters, switching, capture and recording; a 4K display alone does not provide it.

Can we reuse our equipment and conferencing platform?

We can assess them against the port schedule, formats and operating workflow. Compatibility is established using the actual models, software versions and a representative event test.

Does a mode button replace the technical operator?

It recalls approved routes and settings. An operator still checks microphone levels, recording status, camera framing and stage cues. MH-02 and MH-03 assume an event operator.

What do you hand over?

The agreed system, operator training, as-built diagrams, port and cable schedules, saved configurations, test reports and event-specific operating guides. Support scope is agreed separately.

13From our team’s projectsRC-08 · working drawing, anonymised

The working drawing,
as we issue it.

Structural connection diagram, multi-purpose concert hall: stage, hall and equipment room: a working drawing of project RC-08 with device tags, connectors and numbered cables — Sheet 2 — Multi-purpose concert hall: stage, hall and equipment roomRC-08 · A0 · anonymised

Open the sheet full size, PDF

14Reference complexes

One hall. A clear plan for every event.

Design around the event and the changeover.

Real environments, real priorities.

Three starting points, compared.

Presentation hall

Recorded and streamed events

Conference and stage modes

Presentation hall

Recorded and streamed events

Conference and stage modes

Follow the signal path for your configuration.

Signal flow

Control & status

Composition

Boundaries

Intended result

Video & data

Audio & return paths

Control & status

Composition

Boundaries

Intended result

Audio & return paths

Control & status

Signal flow

Control & status

Composition

Boundaries

Intended result

How a typical system fits together.

What the design has to get right.

The references we design to.

Connected to the building and its IT.

Guest presentation device

Streaming destination

Conferencing service

Venue IT

Lighting controls

Recording repository

Hearing assistance

Building systems

What a system of this kind is built from.

From the brief to an accepted system.

Scope and architecture

Design and approval

Selection and supply

Installation and programming

Commissioning and tests

Handover

Show presentation material and reinforce speech in the hall.

Switch camera views and capture the event with a separate recording mix.

Coordinate two-way conferences and stage programmes through agreed modes.

Verify the complete workflow.

Before we begin.

The working drawing,as we issue it.

Related complexes.

Multi-purpose complex, 249 seats

Multi-purpose hall sound system, 1,008 seats

Share your hall brief.

The working drawing,
as we issue it.