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Case file

03 · AV Solutions

Digital Conferencing & Voting Systems.

Sittings, voting, interpretation — one system, every seat.

Parliamentary-grade digital conferencing for legislative chambers, council halls and corporate boardrooms — mic management, electronic voting, 8-channel interpretation, camera control and chamber recording, integrated through Bosch DCN, Dicentis and Integrus.

Conferencing: boardroom mic setup vs digital conferencing platform
Conferencing: boardroom mic setup vs digital conferencing platform
CapabilityRegular boardroom mic setupDigital conferencing platform
ArchitectureIndependent mics and an amplifierMicrophone management, voting and interpretation on one network
VotingNot availableElectronic voting with division-display routing
OperationManual control per deviceSingle operator console with recess and shutdown presets

Educational comparison of system types — not a statement about any specific installer.

— Digital Conferencing · Session

Sittings, voting, interpretation — one system.

Bosch DCN delegate units on every desk. Live mic management, parliamentary voting and 8-channel interpretation through one operator console.

Switch modes · watch the chamber adapt

Arunachal Pradesh Legislative Assembly — Itanagar · Demonstration

Specify the chamber you are designing for.

Parliamentary assembly to twelve-seat boardroom — same architecture, scaled to the room.

Plan a conferencing system

Bosch DCN · Integrus · Dicentis — vendor-flex

/ Operating Mode

Pre-rendered preview.
Not a live console.

Digital Conferencing — Operating Modes

Five operating modes drive the conferencing system: Session, Voting, Interpretation, Recess and Recording Off. Each mode coordinates microphone management, voting state, interpretation routing, chamber lighting and the recording chain as a single operator preset.

  • Session: Mics + voting + interpretation
  • Voting: Live tally on the repeater screens
  • Interpretation: Eight languages, every seat
  • Recess: Mics muted, system holding
  • After Hours: System idle, recording stopped

/ The discipline, in detail

How we approach digital conferencing & voting systems.

A legislative chamber is a low-tolerance environment. A division opens and the tally needs to be displayed before the chair calls the next motion. A delegate switches to interpretation and the headphone channel changes in the same gesture. A session goes into recess and 121 microphones mute as one operator preset. We engineer that grammar of operation — not just the hardware.

Our digital-conferencing practice is anchored in the Arunachal Pradesh Legislative Assembly engagement at Itanagar — a Bosch DCN Concentus deployment with 120 delegate units, 2 chairman units, 8-channel infrared interpretation feeding 121 Under-Chin headphones, 4-camera automatic-tracking, 60" voting-result displays, and a Bosch Plena sound-reinforcement chain (mixing amplifier, dual 240W boosters, 20 line-array speakers, automatic feedback suppressor, 40 chamber-cabin wall speakers) — delivered as a sub-contracting engagement under the Arunachal Pradesh PWD's tender.

The same architecture scales to corporate boardrooms, council halls and conference rooms — the operator console pattern, voting logic and interpretation routing port across vendor stacks (Bosch DCN, Bosch Dicentis, Televic Confidea) without re-engineering the chamber.

On record

Every digital conferencing & voting systems engagement is documented end-to-end — design, programming, commissioning, calibration — and handed over with the files our successors would need if we were never to return.

/ Signal architecture

Chamber signal discipline

Delegate microphones, chairman priority and voting results ride the same engineered signal path as the chamber's PA and record feeds.

Civic auditorium signal architectureA civic / cultural auditorium AV signal architecture. Inputs (gooseneck and lavalier microphones, line-in sources, HDMI presentation, livestream feed) route through a digital mixer to a DSP with feedback suppression, EQ and named-preset library (Civic, Cultural, Ceremonial). DSP feeds line-array audio output, stage monitors, LED-cluster video wall, DMX stage lighting and a recording / livestream encoder. Auditorium-staff console recalls a preset and orchestrates all five output classes from a single gesture.Auditorium signal architecture · named-preset libraryCivic · Cultural · Ceremonial modes recallable by in-house staff · DSP preset is the operational contractSourcesMic · line · HDMI · streamLectern gooseneck × 2Presidium gooseneck × 6Wireless lav × 8Choir hanging × 2HDMI presentationLivestream feed inPre-recorded EVACMixer + consoleDigital · scene memorySoundcraft Si ExpressionMini Stage Box × 1Wireless rx rack × 8Scene memory (16 banks)Operator faders + faderbankTalkback intercomPre-flight checklistDSP + processingBSS BLU · feedback suppressBSS BLU 50 / BLU 100Auto Feedback SuppressorCivic presetCultural presetCeremonial presetEQ shelf + parametricDelay + zone matrixOutputsAudio · video · lighting · recordJBL SRX line arraySRX928S subwoofers × 4Stage monitor wedgesCentre LED cluster (P2.5)DMX stage lightingRecording + livestreamFoyer + lobby BGMAuditorium-staff console recalls a preset; the preset coordinates DSP profile, line-array gain shading, LED-cluster brightness profile and DMX scenePre-flight checklist locked to operator scene memory · mic count verified per session · DSP preset re-tested after every firmware refreshSTI measurement at commissioning per AES-15id · re-measured after any room-acoustic change · 374-seat venues → panel-and-cloud; above 800 → fluid treatment
Indicative signal architecture — illustrative, not a project-specific design; actual routing, presets and outputs vary by venue.

Diagrammatic view — a system planning illustration for design discussion, not a project drawing or live interface.

/ Where we deploy this

Active across 2 sectors.

Digital Conferencing & Voting Systems is rarely a standalone brief — it sits inside a wider sector practice with its own codes, expectations and operating rhythm.

/ Sister services

The rest of av.

A serious brief usually crosses two or three of these. Read across the discipline — we deliver them as one contract.

/ Where this system has been deployed

Digital Conferencing & Voting Systems on the ground.

The reference projects below carry a digital conferencing & voting systems layer engineered as part of an integrated stack. Each case study walks through the engineering challenges that were solved, the standards the work was held to, and the operational outcome on the day-two team.

Public project summaries describe systems and outcomes only — BOQ values, quantities, device counts and security layouts are kept off public surfaces.

Request a feasibility review

/ Plan it right

Digital Conferencing & Voting Systems — getting the brief right.

Common mistakes to avoid

  • Buying delegate units before designing the operator's grammar — recess, division, interpretation switching — the console workflow is the system.
  • Cabling the chamber point-to-point when the platform needs a structured digital backbone to every seat.
  • Leaving interpretation and recording as later additions when their channel capacity must be designed into the backbone now.
  • No rehearsal and operator-training plan before the first live sitting — a chamber cannot fail in session.
  • Treating camera-tracking as an accessory instead of coordinating it with microphone activation and chamber sightlines from the start.

What to share before a quotation

  • The chamber or boardroom layout with seat count and the presiding positions.
  • The procedural requirements — voting types, attendance logging, interpretation languages.
  • Recording, broadcast or webcast obligations for the sittings.
  • The existing cabling and AV infrastructure, if the chamber is a retrofit.
  • Who operates the system — a dedicated operator or secretariat staff — and their training needs.

/ Frequently asked

Digital Conferencing & Voting Systems — what buyers ask first.

What is a Bosch DCN system and how is it different from a regular boardroom mic setup?

Bosch DCN (Digital Congress Network) is a digital conferencing platform that integrates microphone management, electronic voting, multi-channel interpretation, delegate database and recording on one wired network — not a collection of independent products. A regular boardroom setup gives you mics and an amplifier. A DCN deployment gives you the operator console, voting tally with division display, interpretation routing across 8+ channels, automatic camera-tracking driven by mic activation, attendance logging and a hard-disk session recorder, all addressable from a single operator workstation. We have delivered this at parliamentary scale (120-delegate legislative chambers) and boardroom scale (12-seat conference rooms) on the same architecture.

Can we add electronic voting to an existing boardroom or do we need to start from scratch?

If the existing room is wired DCN-ready (CAT6 trunk to each seat) the voting layer can be added by replacing the delegate units and the central control unit — typically a 4–6 week deployment. If it is a generic boardroom (point-to-point analogue mic cabling), the entire wired backbone is replaced. We audit the existing low-voltage layer at brief stage and tell you which path applies before the BOQ is issued.

Can a chamber be upgraded while the House is in session periods?

Yes — retrofit work is sequenced around the sitting calendar. The cabling backbone and back-of-house work run during recess windows, seat-by-seat unit installation is staged so the chamber remains presentable, and the switchover to the new system happens against a rehearsal plan, never on the morning of a sitting. The sitting calendar is one of the first inputs we ask for.

What happens if a delegate unit fails during a sitting?

Wired conference units are individually addressed, so a failed unit is swapped and re-assigned to that seat without disturbing the rest of the chamber. This is why we specify a spares pool alongside chamber deployments and structure the maintenance programme around the sitting calendar — the system is serviced between sessions, not during them.

Does electronic voting produce a record the secretariat can rely on?

Yes — each division is logged against the delegate database with per-seat results and attendance, displayed to the chamber on the result screens and exportable for the record of proceedings. The session recorder captures the audio alongside, so the tally and the debate share one timeline. How that record is stored and who may access it is agreed with the secretariat at design stage.

· Begin

Begin a
digital conferencing & voting systems
brief.

Tell us about the building, the timeline, and what success looks like a year after handover. We will reply within two working days with a written response, not a sales pitch.