Broadcast Monitoring: How It Works and Who Uses It

Broadcast monitoring is the practice of continuously capturing TV and radio signals, converting the spoken content into searchable text, and alerting a team whenever a keyword, brand, or spokesperson is mentioned. It is the branch of media monitoring built specifically for a medium that has no URL to crawl and no text to scrape — everything starts as an audio and video stream that has to be turned into data first. This guide covers how the capture-to-alert pipeline actually works, who relies on it and why, what separates a solid provider from a shallow one, and which platforms currently do this at scale.

What is broadcast monitoring?

Broadcast monitoring tracks what is said on television and radio — news segments, talk shows, call-in programs, paid advertising — and turns it into a searchable, alertable record. It is a subset of the wider media monitoring category, which also covers online news, print, and social platforms; broadcast is the hardest of those to automate because there is no text layer to begin with. A platform has to record the feed, generate text from it (via closed captions, speech-to-text, or both), and index that text before a single keyword search can return a result. That is different from social listening, which starts from text (or metadata) that already exists on the platform.

How broadcast monitoring works

Capturing the signal

Monitoring providers ingest live feeds from television and radio stations around the clock rather than searching after the fact — there is no broadcast archive to query later unless the provider recorded it as it aired. Critical Mention, an Onclusive company, advertises coverage of more than 2,500 TV and radio stations worldwide, including every Nielsen Designated Market Area (DMA) in the United States and Canada, plus additional coverage in Europe and the Middle East. TVEyes, a competing platform, says it captures over 2 million hours of TV, radio, podcast, and online video content every month across more than 60 countries.

Turning audio into searchable text

Once a broadcast is captured, the platform needs text to index. There are two sources: the station's own closed captions, where they exist and are accurate enough to use, and speech-to-text transcription generated by the platform itself, which fills the gaps and covers content that never had usable captions. TVEyes states its speech-to-text engine is more than 95% accurate across the languages it supports. This dual approach matters because caption quality varies a lot by station and by daypart — live, unscripted segments are typically captioned less precisely than pre-produced programming — so a monitoring platform that only relied on captions would miss or garble a meaningful share of live mentions.

Visual recognition vs text signals

On-screen logo recognition is advertised by some visual-listening products for images and online video. For broadcast television, the capability that is well documented today works on text and metadata instead: TVEyes' Ad Filtering separates paid placements from earned coverage inside the same search results.

Clipping and reporting

Once a mention is indexed, the practical output is a video or audio clip a team can watch, trim, and share — the transcript alone rarely settles whether a mention was favorable. Critical Mention's proprietary editor, Wordplay, lets users refine HD broadcast clips down to sub-second precision and pull sentiment tagging on specific highlighted sections. Both platforms support exporting clips and reports for distribution to stakeholders who never log into the monitoring tool itself.

Who uses broadcast monitoring, and why

PR and communications teams

This is the most common use case: proving earned coverage landed, measuring share of voice against competitors, and catching a crisis-level mention early enough to respond same-day. TVEyes lists public relations firms, corporations, government agencies, and political campaigns among its client types, alongside compliance teams — the same infrastructure serves several very different jobs.

Regulatory and legal compliance

Two specific U.S. federal rules give broadcasters a direct compliance reason to monitor their own output. Under 47 CFR § 79.1, closed captions on U.S. television must be accurate, synchronous, complete, and appropriately placed — the rule spells out that captions must match spoken words in order, use correct spelling and punctuation, identify speakers and non-verbal sound where relevant, and stay in sync with the audio. Under 47 CFR § 73.1212, any broadcast matter paid for by a third party must be announced as sponsored, naming who paid for it; for televised political advertising specifically, the sponsor identification must appear in letters at least 4% of the vertical picture height and stay on screen for at least four seconds. A station or a law firm auditing compliance with either rule needs a captured, timestamped, searchable copy of what actually aired — exactly what a monitoring platform produces as a byproduct of its normal operation.

Ad verification and media buyers

Advertisers and their agencies use broadcast monitoring to confirm a paid campaign actually ran as bought and to track a competitor's linear TV activity. TVEyes' Ad Intelligence API is built specifically for this: it detects a new campaign the first time it airs, continues tracking every subsequent occurrence under a single advertisement ID, flags creative changes within the same campaign, and reports geographic distribution and campaign duration — the kind of occurrence-level verification a media buyer needs to confirm delivery, independent of what the broadcaster itself reports.

How to evaluate a broadcast monitoring provider

The marketing pages of every provider look similar. What actually differs — and what is worth asking about in a demo — comes down to a handful of concrete questions:

• Station and market coverage: how many stations, in which countries, and does it include your specific local DMAs, not just national networks?
• Transcription approach: does the platform rely only on station captions, or does it also run its own speech-to-text — and in how many languages?
• Latency: how long after a broadcast airs does a mention appear as a searchable alert? For a PR crisis, minutes matter.
• Clip tooling: can you trim, export, and share an actual video clip, or only a text transcript excerpt?
• Ad vs. earned separation: can the platform distinguish a paid spot from organic editorial coverage of the same brand or keyword?
• Historical archive: if you need to pull a mention from months or years ago, does the provider retain a searchable backlog, or only a rolling recent window?
• API access: if the output needs to feed a dashboard or BI tool rather than a human inbox, does the provider expose the data programmatically?

Main providers worth knowing

Two platforms focused specifically on broadcast make up the core of this niche, each independently confirmed on their own product pages:

Broader media intelligence suites also fold broadcast into a wider bundle that includes online news and social — Meltwater and its main alternatives are worth comparing if broadcast is only one of several channels you need to track under one contract. For a wider rundown of who does what in this market, see our roundup of media monitoring companies, and for the total-cost picture across models and vendors, media monitoring services: types, pricing, and how to choose lays out how providers typically structure contracts.

The MULTISENSOR research project that this domain is named after worked on multimodal analysis of news and broadcast content, including automatic transcription and cross-media linking of TV segments — the same underlying problem this article describes, tackled a decade earlier from a research angle rather than a commercial one; details are in the MULTISENSOR project archive.

Frequently asked questions about broadcast monitoring

What is broadcast monitoring software?

It is software that continuously records television and radio broadcasts, converts the spoken content into searchable text using closed captions and speech-to-text, and alerts users when a chosen keyword, brand, or name is mentioned — then lets them pull the actual video or audio clip of that mention.

What are some examples of media monitoring?

Media monitoring spans several formats that each need different capture methods: broadcast monitoring (TV and radio), online news tracking, print clipping, podcast monitoring, and social media listening. A brand tracking a product launch typically watches several of these at once rather than just one.

What does media monitoring mean?

Media monitoring means systematically tracking mentions of a brand, person, topic, or competitor across media sources, then organizing those mentions into alerts, reports, or analytics — such as share of voice or sentiment — so a team can act on what is being said rather than searching for it manually.

What is a media monitoring agency?

A media monitoring agency is a service provider — as distinct from a self-serve software platform — that sets up monitoring on a client's behalf, curates the results, and often adds analysis or reporting. Some vendors, like Critical Mention and TVEyes, offer their monitoring as a direct software platform; others bundle it into a fuller PR or research service.

Is broadcast monitoring the same as social listening?

No. Social listening tracks conversations on social platforms, where the text already exists natively. Broadcast monitoring has to generate that text itself from an audio and video stream, using captions and speech-to-text, before any keyword search is possible.

Does broadcast monitoring cover streaming and online video, or only over-the-air TV and radio?

Modern platforms cover more than traditional over-the-air and cable broadcasts. TVEyes, for example, states it tracks live broadcasts and streaming content as well as more than 16,000 online video channels, including YouTube, alongside its core TV and radio coverage.