Which Kolkata venues do you work at?

Biswa Bangla Convention Centre (Around 2,500 in the main hall plus a large grand ballroom at New Town); Science City (Around 2,200 in the Main Auditorium with a smaller Mini Auditorium alongside); Netaji Indoor Stadium (Around 12,000 in concert configuration). The city's only purpose-built modern convention venue, with generous clear height and working docks, which makes it the default whenever a design needs hung loads rather than towers. We also cover hotels, farmhouses and open grounds across Salt Lake, New Town, Park Street, Ballygunge, Rajarhat, Alipore.

Why does streamed audio need a separate mix?

Because the room mix is wrong for a stream. The in-room PA is balanced against room ambience and audience noise that online viewers never hear, and camera microphones capture reverberation and nearby chatter. The stream takes a clean console output metered to broadcast loudness, monitored independently on headphones.

How many cameras do I actually need?

Two to three for a town hall, four to six for a conference where panels and audience reactions matter, and six or more once you want replay, wide beauty shots and reliable coverage of simultaneous action. The honest answer is that one well-operated camera beats four unmanned ones badly positioned.

Do you handle remote speakers joining the stream?

Yes, through the switcher with a proper mix-minus return so the remote speaker hears the room without hearing themselves delayed. For anything more involved — multiple remote panellists, remote audience interaction, virtual sets — the hybrid event production service is the right scope.

What do we receive after the event?

A full-quality local programme recording, per-session files cut to the running order, the graphics assets as used, a stream health report covering bitrate and any failover events, and platform analytics where the destination provides them. Clips and highlight edits are contracted separately.

Live Streaming & Webcasting in Kolkata by Prime AV Solutions

Conference & Broadcast · Kolkata, West Bengal

Event Live Streaming in Kolkata

In Kolkata, durga puja pandal sound, lighting and AV set the standard everything else is measured against. Our live streaming & webcasting is specified to clear that bar at Biswa Bangla Convention Centre and anywhere else in the city.

WhatsApp a producer

Rated 4.9/5 by 600+ event planners and brands

Lead time: From 4 weeks
Peak season: Oct–Feb
Coverage: Kolkata & West Bengal

Key takeaway

Live Streaming & Webcasting in Kolkata is quoted against your guest count, venue and run of show. Outside Puja this is a value market with strong, experienced local technical labour at reasonable day rates, so a two-day conference costs appreciably less here than the same build in Mumbai or Delhi. Inside the Puja window the same inventory prices at a multiple and has to be committed months ahead, which is a conversation to have in June rather than in September. From Mahalaya through Lakshmi Puja and on to Kali Puja, roughly late September to early November, every scaffolder, generator, line array and lighting rig in eastern India is committed and rates reflect it. The Kolkata International Film Festival in November and the Boi Mela in late January take the auditoria, and Poila Boishakh in mid-April brings its own cluster of cultural programming — so we quote within 24 hours and hold dates first-come.

Live Streaming & Webcasting for Kolkata’s biggest events

A live stream is a broadcast chain with a public failure mode, so it is engineered for redundancy end to end. Camera sources, presentation feeds and remote contributors arrive at a software or hardware switcher — vMix and TriCaster are the workhorses — where graphics, lower-thirds, holding slates and playback are composited into a programme output. Audio is taken as a clean mix from the audio console, not from a camera microphone, and matched to broadcast loudness rather than mixed by ear. The programme feed is then encoded and pushed to the platform, and a second encoder runs in parallel on an independent machine so an encoder crash is a switch rather than an outage.

The venue's actual network infrastructure is the governing factor — whether there is a leased line, where it terminates and how much the building attenuates cellular signal. In Kolkata that plays out at venues like Biswa Bangla Convention Centre, Science City, Netaji Indoor Stadium, and across Salt Lake, New Town, Park Street, Ballygunge.

Connectivity is where streams actually die. A leased line is the primary path where the venue has one, with a bonded cellular unit from LiveU or Teradek aggregating multiple carrier SIMs as the backup — bonding matters because a single carrier in a venue filling with two thousand phones will degrade exactly when the keynote starts. For 1080p50 we budget 8 to 12 Mbps of stable upstream with headroom, and we test under load rather than at an empty venue in the morning. SRT is preferred over RTMP for contribution across an unreliable network because it recovers lost packets, though the destination platform usually dictates the final protocol.

What’s included

3–12 camera productions
vMix / TriCaster switching
Bonded 4G/5G + leased line
Lower-thirds & branded graphics

Equipment we carry

vMixNewTek TriCasterBlackmagic DesignLiveUTeradekPanasonic PTZSonyNDI

Why Kolkata chooses Prime AV

Crews and trucks positioned for fast load-in at Netaji Indoor Stadium and venues in Howrah and Behala.
A clean mix comes from the audio console on a dedicated output, metered to broadcast loudness, with the stream engineer monitoring it on headphones separately from the room.
Per-session recordings cut to the running order
Working knowledge of West Bengal venue rules, power sanctions and permission timelines.

Local conditions

Producing event live streaming in Kolkata

Weather & the rig

Streaming depends on connectivity, and weather reaches that indirectly — heavy rain degrades cellular performance and outdoor camera and encoder positions need weather protection in their own right. The Kalbaisakhi nor'westers in April and May are the design case here: they arrive in minutes with 70–90 km/h gusts, which means outdoor truss in Kolkata is ballasted and signed off for wind loading rather than merely sheeted against rain. Humidity sits near 80% from April to October and the Hooghly keeps overnight dew heavy enough that an outdoor projection surface will fog by 4am and a lectern mic capsule picks up moisture if left uncovered. Jun–Sep monsoon, when the low-lying southern and central wards waterlog within an hour of a heavy cell; and Sep–Oct if you need any inventory at all for something other than Puja.

Power & redundancy

Encoders, switchers and bonding units must never lose power for even a second, so the whole stream chain sits on UPS backed by the event generator rather than on a wall socket. CESC's city network is genuinely one of the better urban utilities in India, so indoor venues run on house power confidently. Puja pandals are a different exercise: temporary sanctioned connections are applied for formally through CESC or WBSEDCL well in advance, and the load per pandal is capped at what the application granted. Maidan and open-ground events are DG-fed with acoustic enclosures under WBPCB norms.

Permits & noise rules

Streaming raises content and consent questions rather than site permissions: audience filming notices, music licensing for the online audience and recording consent from speakers. Kolkata Municipal Corporation handles structures, the Kolkata Police Commissioner's office with the local police station licenses pandals and loudspeaker use, and WBPCB applies the noise rules with a 10pm to 6am silence period and a time-boxed festival relaxation. The Maidan is Army land, so an event there needs Eastern Command's NOC as a genuine step in the critical path rather than a formality. Drone operation is limited by the Dum Dum airport zone and by Fort William's restrictions over central Kolkata.

Load-in & access

The stream rack needs a quiet, powered, network-connected position with a sightline to a confidence monitor, which is usually the last space anyone allocates in a build. Larger goods vehicles are barred from central Kolkata through the day, and arrival timing is dictated by which Hooghly crossing the truck uses. The Puja constraint is unlike anything else in India: pandals in the north Kolkata lanes around Shyambazar, Kumartuli and Bagbazar are reached only by handcart for the final 200m, the bamboo structure is complete before any kit arrives, and the hang points are the structure the decorator built, so the rigging design has to be agreed with the pandal fabricator weeks earlier.

Season & booking

From Mahalaya through Lakshmi Puja and on to Kali Puja, roughly late September to early November, every scaffolder, generator, line array and lighting rig in eastern India is committed and rates reflect it. The Kolkata International Film Festival in November and the Boi Mela in late January take the auditoria, and Poila Boishakh in mid-April brings its own cluster of cultural programming. Peak demand runs Oct–Feb.

Crew & dispatch

Own Kolkata base, which is also the practical origin for Patna, Ranchi, Bhubaneswar and Guwahati work. Load-in support covers Howrah, Behala and the rest of the city.

What it costs here

Outside Puja this is a value market with strong, experienced local technical labour at reasonable day rates, so a two-day conference costs appreciably less here than the same build in Mumbai or Delhi. Inside the Puja window the same inventory prices at a multiple and has to be committed months ahead, which is a conversation to have in June rather than in September.

Local expectations

A Bengali audience for live music will notice a coloured PA and say so — Rabindra Sangeet, band and classical programming here want natural tonality and a low noise floor rather than brute level, and the vocal chain is judged more closely than the lighting. Puja committees expect continuous operation across five days, which means shift rotation, a crew rest plan and spares on site rather than in the warehouse. Bengali-language compering is the default and the committee's own hierarchy governs stage access.

Specification

Live Streaming & Webcasting: technical specification

Typical live streaming & webcasting specification supplied in Kolkata.
Specification	Detail
Switching	vMix, NewTek TriCaster or Blackmagic ATEM with graphics and playback
Camera count	3 – 12 sources including PTZ, manned cameras and presentation feeds
Bitrate budget	8 – 12 Mbps stable upstream for 1080p50, with headroom above the encode rate
Primary connectivity	Venue leased line or dedicated fibre with a static route
Backup connectivity	Bonded cellular aggregating multiple carrier SIMs (LiveU, Teradek)
Contribution protocol	SRT preferred for unreliable paths; RTMP where the platform requires it
Encoder redundancy	Two independent encoders running in parallel to the same or mirrored destinations
Audio	Clean console mix matched to broadcast loudness, never camera on-board sound
Monitoring	Confidence monitor showing the actual public stream, not the switcher output
Local recording	Full-quality programme recording independent of the stream path

The production decisions matter as much as the plumbing. A stream audience has no peripheral vision and no room ambience, so they need tighter framing, more frequent cuts and on-screen graphics to know who is speaking. Presentation content is composited beside the speaker rather than cut to full screen for long stretches, because a stream that shows only slides loses viewers within minutes. We run a confidence monitor showing the actual public stream — not the switcher programme output — so the operator sees what the audience sees including any platform-side failure, and we record the programme locally at full quality regardless of what the stream delivers.

Sizing

What size rig does your event actually need?

Scale	Guests	Recommended setup
Webinar	Online only	One camera, one presentation feed, single encoder, bonded cellular, one operator
Town hall	100 – 400 in room	Two to three cameras, lower-thirds, dual encoders, leased line plus bonded backup
Conference	500 – 1,500 in room	Four to six cameras, full graphics, per-session recording, vision mixer and graphics operator
Award show	1,500 – 4,000 in room	Six to eight cameras with replay, playback server, dual diverse connectivity paths
Multi-platform event	Any	Eight to twelve sources, separate programme per destination, monitoring desk, technical producer

Scope

Event Live Streaming scope tiers in Kolkata

Single-Camera Webcast

Town halls, webinars and single-speaker sessions

Two camera sources plus a presentation feed into a software switcher
Lower-thirds, holding slate and branded opening graphic
Clean console audio and broadcast loudness matching
Bonded cellular backup alongside the venue connection
Stream operator and a local full-quality recording

Most booked

Multi-Camera Production

Conferences, launches and awards streamed to public or private platforms

Four to six cameras with a vision mixer cutting live
Full graphics package with speaker names, agenda bugs and playback
Dual encoders on independent machines with mirrored destinations
Leased line primary with bonded cellular failover tested under load
Vision mixer, graphics operator, stream engineer and camera operators

Multi-Destination Broadcast

Simultaneous distribution to several platforms and private portals, multi-day

Eight to twelve sources including remote contributors and replay
Separate programme versions per destination with per-platform graphics
Redundant connectivity on diverse carriers plus satellite or second fibre
Per-session recording, clipping and same-day highlight delivery
Full streaming department with a technical producer and monitoring desk

Venues

Where we work in Kolkata

Venue	Capacity	Production note
Biswa Bangla Convention Centre	Around 2,500 in the main hall plus a large grand ballroom at New Town	The city's only purpose-built modern convention venue, with generous clear height and working docks, which makes it the default whenever a design needs hung loads rather than towers.
Science City	Around 2,200 in the Main Auditorium with a smaller Mini Auditorium alongside	A fixed-seat theatre with house rigging positions and a fixed projection throw, so screen geometry is decided by the building and additional loads need the venue's engineering sign-off.
Netaji Indoor Stadium	Around 12,000 in concert configuration	Roof rigging is effectively unavailable, so the entire package is ground-supported, and the only vehicle approach runs through the congested Maidan roads under police bandobast on event days.
Rabindra Sadan	Around 1,000 seated	A cultural-complex auditorium with house infrastructure and a protective attitude to it, so visiting rigs work within the existing hang points and the build window is tight between programmes.
ITC Royal Bengal	Around 1,500 banquet across the ballroom and pre-function	Modern hotel with a usable service dock, but New Town traffic and the venue's own guest-movement rules push load-in to overnight slots.

Crew

Who turns up on show day

Technical producer
Owns the stream plan, the destinations, the platform settings and the escalation path if a platform itself fails.
Vision mixer
Cuts the programme live with stream-appropriate framing and pacing, and holds the graphics and playback cues.
Stream engineer
Manages encoders, bitrate, connectivity failover and the confidence monitor on the actual public stream.
Graphics operator
Builds and fires lower-thirds, holding slates and agenda bugs, and keeps names and titles verified against the running order.
Audio engineer for stream
Delivers a clean console mix matched to broadcast loudness, independent of what the room PA is doing.
Camera operator
Frames for a viewer with no peripheral vision — tighter than feels natural in the room — and holds a shot through a cut.

What you receive

Full-quality local programme recording independent of the stream
Per-session recordings cut to the running order
Graphics package files as used, including lower-thirds and slates
Stream health report covering bitrate, dropped frames and any failover event
Platform analytics summary of concurrent and total viewers where available
Short-form clips or a highlight edit where contracted

Timeline

From enquiry to load-out

T-4 weeks
Platform and destination planning
Destinations, privacy model, embed requirements, registration gating and platform-side settings confirmed in writing.
T-3 weeks
Connectivity provisioning
Leased line or venue circuit ordered and tested, carrier SIMs for bonding confirmed, static routes and firewall rules agreed.
T-2 weeks
Graphics and run plan
Graphics package built, speaker names and titles verified, holding slates prepared and the running order marked for stream cues.
Show day −1
Build and load test
Full chain built, bitrate tested, failover proved by pulling the primary path, and a private test stream reviewed end to end.
Show day, T-2 hours
Pre-show and go live
Holding slate live early, a rehearsal cut recorded, audio loudness checked and the public stream verified on an external device.
Show day +2 to +48 hours
Wrap and delivery
Stream ended cleanly, local recordings offloaded, clips and session files delivered against the agreed schedule.

Risk control

What goes wrong, and how we stop it

What can go wrong

How we prevent it

What can go wrong
Audio is taken from a camera microphone and the stream sounds like a room recording.
How we prevent it
A clean mix comes from the audio console on a dedicated output, metered to broadcast loudness, with the stream engineer monitoring it on headphones separately from the room.
What can go wrong
The switcher programme output looks perfect while the public stream has been down for ten minutes.
How we prevent it
A confidence monitor plays the actual public stream from an independent connection, so platform-side failures are visible immediately rather than reported by a viewer.
What can go wrong
Full-screen slides run for twenty minutes and online viewers drop off.
How we prevent it
Content is composited beside the speaker rather than cut full-screen for long stretches, and the vision mixer is briefed to cut more often than the room would require.
What can go wrong
A single encoder machine crashes and the stream ends mid-keynote.
How we prevent it
Two independent encoders run in parallel to mirrored destinations, so recovery is a switch at the platform rather than a restart of the chain.

Honest comparison

Is this the right choice for your event?

Platform-native streaming instead of an external switcher
Our verdict
Streaming straight into a meeting platform is cheaper and simpler for a single-speaker webinar. An external switcher is what gives you camera cuts, graphics, playback, loudness-matched audio and encoder redundancy — things platforms do not provide.
Bonded cellular alone instead of a leased line
Our verdict
Bonding across multiple carriers is remarkably reliable and avoids the lead time and cost of provisioning a circuit. For a short single-session stream it is often the whole answer. For a multi-day flagship event, a wired primary with bonding as backup is the right risk posture.
Streaming without local recording
Our verdict
There is no good reason to skip it. The local full-quality recording costs almost nothing, survives every stream failure, and is what the marketing team will actually use afterwards — the stream itself is usually too compressed to re-edit.

Demand

What Kolkata books most

Kolkata event mix

Durga Puja pandal sound, lighting and AV
Corporate conferences and dealer meets at Biswa Bangla and city hotels
Live music, theatre and cultural programming
Trade exhibitions and industry expos
Weddings through the December to February window
Government, PSU and academic conferences

Ideal for

Events we power with live streaming & webcasting in Kolkata

Town halls

Launches

Hybrid conferences

Process

From brief to standing ovation

Brief & recce

We visit the venue, map power and rigging, and understand your show flow.

Design & quote

CAD plans, 3D previews and an itemised quote within 24 hours.

Build & rehearse

Load-in, system tuning, content checks and full technical rehearsal.

Show & strike

Show-caller-led execution, then a quick, clean load-out.

FAQ