NewBroadcast Audio Source
Audio that never goes silent.
DVB, Icecast/Shoutcast and MPEG-TS sources with automatic backup switching when silence or low bitrate is detected.
DVB Stream Monitor
See every channel before your viewers do.
DVB-T/T2, DVB-S/S2, DVB-C, analog and IPTV in one rack unit. Black screen, freeze and TR 101 290 alarms, 24/7.
Explore all broadcast monitoring solutions
Multiview Stream Monitor
The whole line-up on one screen.
A mosaic of every channel, with freeze detection and stream alarms on each tile.
TV Stream Monitor
500 IPTV streams. Always watched.
Round-the-clock TSoIP monitoring of delay, CC errors, RTP errors and bitrate.
TV Transcoder
From multicast to every screen.
Up to 20 HD channels to H.264 or HEVC in real time, out to HLS and UDP together.
STB Monitor
See what your subscribers see.
Watch and control up to 16 real set-top boxes from a browser, with less than a second of delay.
News
Product launches and engineering updates
Firmware features, new options and company notes from the KVARTA team.
New KVARTA website and online shop
We have launched a new KVARTA website and online shop — clearer product pages, direct ordering, and the live demo lab in one place.
Read moreNew Broadcast Audio Source for FM Broadcasters
We are pleased to introduce our newly developed KVARTA Broadcast Audio Source — a professional and cost-effective Integrated Receiver/Decoder (IRD) designed to provide reliable audio delivery to FM transmitters.
Read more
New option - LDAP Authentication
We are glad to introduce a new optional feature - LDAP Authentication
Read moreUse cases
What problem are you solving?
Start from the fault you want to catch or the service you want to deliver. Each use case explains the problem, what to measure and which device does it.
Detect black screen, frozen picture and missing audio
Get an alarm the moment a channel goes black, freezes or falls silent.
Read the use caseIPTV multicast monitoring: CC errors, RTP errors and packet loss
Watch hundreds of UDP/RTP streams for loss, delay and bitrate problems.
Read the use caseTR 101 290 transport stream monitoring
Priority 1, 2 and 3 checks on every MPEG transport stream you carry.
Read the use caseDVB-T/T2 transmitter and coverage monitoring
Measure MER, BER, C/N and level at the transmitter site and in the coverage area.
Read the use caseRemote set-top box testing and end-user monitoring
See and control real STBs over the web, the way a subscriber uses them.
Read the use caseSilence detection and automatic backup audio for FM transmitters
Switch to a backup source automatically when the main audio fails.
Read the use caseDistribute IPTV channels over coax in hotels, hospitals and campuses
Turn IP streams into DVB-C, DVB-T, ISDB-T or ATSC on existing TV cabling.
Read the use caseTranscode live UDP streams to HLS for OTT
Real-time H.264/HEVC transcoding with ABR, subtitles and HLS output.
Read the use caseSolutions
One manufacturer, the whole signal chain
From the antenna and the multicast network to the set-top box in the living room.
Digital TV monitoring
DVB-T/T2, DVB-S/S2, DVB-C and analog, watched around the clock.
ExploreIPTV and OTT monitoring
Hundreds of UDP, RTP and HLS streams, checked one by one.
ExploreMultiviewer and mosaic
Every channel on one screen, with alarms on every tile.
Explore
Set-top box monitoring and testing
See what your subscribers see, from any browser.
ExploreRadio monitoring
FM, RDS, DAB/DAB+ and HD Radio, plus transmitter RF power.
Explore
Radio broadcast chain
RDS encoding and audio sources that never go silent.
Explore
TV headend and modulation
From IP streams to DVB-C, DVB-T, ISDB-T or ATSC in 1U.
Explore
Encoding and transcoding
HEVC and H.264, from HDMI or IP, out to HLS and UDP.
ExploreField measurement
TV, IPTV and fibre in one portable meter.
Explore
Industries
Built for the people who keep TV and radio on air
Broadcasters, cable and IPTV operators, telecoms, radio networks, hotels, regulators and integrators.
TV broadcasters
Keep every transmitter and every channel on air
See how
Cable TV operators
Find the fault before subscribers call the help desk
See how
IPTV and OTT providers
Stream health you can see, for every channel and every rendition
See how
Radio broadcasters
No dead air, no silent RDS, no surprises on the mast
See how
Telecom operators
Carrier-grade TV services on your IP network
See how
Hotels, hospitals and campuses
Bring IPTV channels to every room on existing TV cabling
See how
Regulators and network auditors
Independent evidence of broadcast service quality
See how
System integrators and OEMs
One manufacturer for monitoring, headends and encoders
See howLive demo lab
Log in to a real KVARTA device. Right now.
The demo lab runs real monitors on live signals. Click through the web interface, the alarms and the mosaic before you buy anything. Demo devices are available to registered customers — registration is free.
- Real-time RF and MPEG measurements
- Service, freeze and black screen alarms
- Multiviewer mosaic
- Web, SNMP and e-mail configuration
Why KVARTA
Engineered in Bulgaria. Trusted worldwide.
Every device is designed, built and supported by the same team in Veliko Tarnovo.
30+Years building broadcast equipment
100+Countries with KVARTA devices
24/7Designed for unattended sites
1993Designed and made in Bulgaria
No software to install
Every device has its own web interface. Open a browser and configure it.
Fits your NMS
SNMP with traps, e-mail alarms and time-stamped logs on every unit.
Future proof
Remote firmware upgrades add new features to devices already in the field.
Engineers on the phone
Support comes from the people who designed the hardware.
Trusted by operators, broadcasters and partners including
FAQ
Questions we hear often
What does KVARTA make?
Professional TV and radio broadcast equipment: DVB, IPTV and OTT monitors, multiviewers, set-top box testers, FM/DAB monitors, RDS encoders, IP to DVB modulators, transcoders and portable TV meters.
Do I need extra software to use the devices?
No. Every device has its own web interface, SNMP with traps and e-mail alarms. You configure it from a browser.
Can I try a device before I buy?
Yes. Demo devices are available to registered customers at lab.kvarta.net. Registration is free.
Where can I buy KVARTA products?
Configure options and order online at shop.kvarta.net with worldwide shipping, or ask us for a quote for larger projects.
Not sure which device you need?
Tell us about your network and the problem you want to catch. An engineer will recommend a setup.