Closed captioning & video accessibility services
Future-proof your ad delivery with broadcast-compliant captions and accessibility workflows. Sound off. Captions on. Welcome to the modern viewing reality.
Closed captioning & video accessibility services
Future-proof your ad delivery with broadcast-compliant captions and accessibility workflows. Sound off. Captions on. Welcome to the modern viewing reality.
Closed captioning & video accessibility services
Future-proof your ad delivery with broadcast-compliant captions and accessibility workflows. Sound off. Captions on. Welcome to the modern viewing reality.

Trusted by teams at
Future-proof your content
The business case for captioning
We live in a multi-screen world. Replying to a WhatsApp message while a show plays, catching an email between scenes, half-watching, half-scrolling; attention is divided. And yet, one small feature quietly keeps us connected: closed captioning.

Supported broadcast
delivery standards
We handle the technical complexity of accessibility files for TV, VOD, and Social so you don't have to.
Gen Z & Millennials
Over 50% use subtitles regularly, regardless of hearing ability.
Business impact
Aligns with the default viewing habits of the largest demographic on social media.
Brand recall
Viewers retain 10–15% more information when reading + listening.
Business impact
"Double-coding" the message improves memory retention and brand linkage.
Accessibility needs
1 in 6 adults in the UK have hearing loss.
Business impact
Ensures compliance with inclusivity standards and prevents excluding a massive market segment.
Gen Z & Millennials
Over 50% use subtitles regularly, regardless of hearing ability.
Business impact
Aligns with the default viewing habits of the largest demographic on social media.
Brand recall
Viewers retain 10–15% more information when reading + listening.
Business impact
"Double-coding" the message improves memory retention and brand linkage.
Accessibility needs
1 in 6 adults in the UK have hearing loss.
Business impact
Ensures compliance with inclusivity standards and prevents excluding a massive market segment.
The performance & compliance advantage
Closed captions don't just increase inclusivity; they increase your return on investment and ensure you're ready for tomorrow's standards.
Drive performance
Captioned content sees up to 40% higher viewership and longer watch times. Studies show a stronger brand impact, with an 8% lift in ad recall and 13% higher brand linkage when captions are included.


Future-proof your campaigns
Global accessibility standards are tightening. We ensure your assets meet the strictest new mandates, including:
European Accessibility Act (EU 2019/882)
UK Media Act 2024
Channel 4’s "100% Captioning" Mandate
ADA & FCC Compliance (US)
Supported broadcast
delivery standards
We handle the technical complexity of accessibility files for TV, VOD, and Social so you don't have to.
Broadcast captions
Teletext, OP-47, EBU-TT-D (Europe), CEA-608/708 (US)
Audio description
Standard (AD) and Extended Audio Description for the visually impaired
Turnaround
Express turnaround options for tight deadline
Why brands trust Cape.io for accessibility
The Cape.io difference
Inclusivity has been in our DNA for over 15 years.
Our expert team has played an active role in the Ad Accessibility Working Group, helping to shape the very standards that define inclusive advertising today.

FAQs
What is the difference between closed and open captions?
Do you offer audio description (AD) services?
Why are captions important for SEO?
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2026年4月23日
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You're about to spend $500K on an AI initiative. You've got 3 options on the table, and they'll lead you to wildly different places. Pick wrong, and you're rebuilding in 18 months. Pick right, and you'll have a system that scales, costs less to maintain, and actually does what executives promised.
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As ad compliance requirements evolve in 2026, UK confectionery brands face new restrictions on less healthy food (LHF) advertising. With the January 5 watershed now in effect, ad quality assurance systems must validate timing, placement, and product identifiability to avoid clearance failures this Easter season.

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As Channel 4’s closed-captioning mandate came into effect in March 2026, Cape.io partnered with Virgin Media Television, Omnicom Media Group and VoiceBox to deliver a truly accessible ad break during the Guinness Men’s Six Nations. More than ad compliance, this moment proved that accessibility can operate at the highest level of live sports broadcasting.

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Navigating Channel 4’s 2026 closed caption mandate
As ad compliance requirements tighten across the UK and Europe, closed captioning has evolved from an accessibility checkbox to a strategic necessity. Whether you're managing CTV campaigns or social media creative, automated ad testing for caption quality is no longer optional - it's fundamental to reaching today's fragmented, multi-screen audiences.
The advertising landscape is facing a seismic shift. By March 1, Channel 4 will become the first UK broadcaster to mandate closed captions across all advertising - including linear TV, streaming, and sponsorships.
The mandate is a redefined standard for global inclusivity. Here is everything you need to know about the new mandate and how to stay ahead of the curve.

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Scaling global marketing without losing local relevance requires more than brand guidelines and templates - it requires a creative automation platform designed for both global control and local flexibility. Most systems optimize for standardization, but scaling ad creative production across markets demands architecture that enables creative variation and adaptation by local experts without fragmenting brand governance.
Many global advertisers are chasing the same ideal: scale without losing relevance.
Consistency without uniformity.
Efficiency without bureaucracy.
It sounds simple. In practice, it’s one of the hardest tensions to resolve in modern marketing.
The global vs. local challenge isn’t new, but it’s becoming more urgent. As brands expand across markets, channels, and cultures, the question is no longer whether you should scale globally, but how you do so without erasing the nuance that makes marketing effective in the first place.
Everyone is looking for this balance. Very few get it right.
News
Stay ahead of the curve
Curious about the latest in marketing and advertising? Subscribe to our monthly Promarketers newsletter.

2026年4月23日
Agentic AI vs AI wrappers vs custom AI: How to choose your path
You're about to spend $500K on an AI initiative. You've got 3 options on the table, and they'll lead you to wildly different places. Pick wrong, and you're rebuilding in 18 months. Pick right, and you'll have a system that scales, costs less to maintain, and actually does what executives promised.
The choice is between wrapping existing AI models, building custom AI solutions from scratch, or going agentic. Most teams don't understand the real trade-offs until they're locked into the wrong one.

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Operationalizing AI in advertising: Why it must be embedded, not bolted on
Operationalizing AI in advertising isn’t about adding another tool to your stack. It’s about embedding intelligence into the systems that govern creative production, compliance, and delivery, so automation scales without creating more operational friction.

2026年3月18日
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As ad compliance requirements evolve in 2026, UK confectionery brands face new restrictions on less healthy food (LHF) advertising. With the January 5 watershed now in effect, ad quality assurance systems must validate timing, placement, and product identifiability to avoid clearance failures this Easter season.

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As Channel 4’s closed-captioning mandate came into effect in March 2026, Cape.io partnered with Virgin Media Television, Omnicom Media Group and VoiceBox to deliver a truly accessible ad break during the Guinness Men’s Six Nations. More than ad compliance, this moment proved that accessibility can operate at the highest level of live sports broadcasting.

2026年2月27日
Navigating Channel 4’s 2026 closed caption mandate
As ad compliance requirements tighten across the UK and Europe, closed captioning has evolved from an accessibility checkbox to a strategic necessity. Whether you're managing CTV campaigns or social media creative, automated ad testing for caption quality is no longer optional - it's fundamental to reaching today's fragmented, multi-screen audiences.
The advertising landscape is facing a seismic shift. By March 1, Channel 4 will become the first UK broadcaster to mandate closed captions across all advertising - including linear TV, streaming, and sponsorships.
The mandate is a redefined standard for global inclusivity. Here is everything you need to know about the new mandate and how to stay ahead of the curve.

2026年2月26日
One platform, many realities: How creative automation platforms resolve the global vs. local tension
Scaling global marketing without losing local relevance requires more than brand guidelines and templates - it requires a creative automation platform designed for both global control and local flexibility. Most systems optimize for standardization, but scaling ad creative production across markets demands architecture that enables creative variation and adaptation by local experts without fragmenting brand governance.
Many global advertisers are chasing the same ideal: scale without losing relevance.
Consistency without uniformity.
Efficiency without bureaucracy.
It sounds simple. In practice, it’s one of the hardest tensions to resolve in modern marketing.
The global vs. local challenge isn’t new, but it’s becoming more urgent. As brands expand across markets, channels, and cultures, the question is no longer whether you should scale globally, but how you do so without erasing the nuance that makes marketing effective in the first place.
Everyone is looking for this balance. Very few get it right.
联系我们
让我们向您展示 Cape.io 可以做什么。
Intelligent Campaign Automation
Cape.io 连接到您的 DAM、广告服务器、DSP、工作流工具等,因此您无需拆卸和更换。

联系我们
让我们向您展示 Cape.io 可以做什么。
Intelligent Campaign Automation
Cape.io 连接到您的 DAM、广告服务器、DSP、工作流工具等,因此您无需拆卸和更换。

联系我们
让我们向您展示 Cape.io 可以做什么。
Intelligent Campaign Automation
Cape.io 连接到您的 DAM、广告服务器、DSP、工作流工具等,因此您无需拆卸和更换。
