A Post Slate publication The reference desk Compliance · Spec · Practice

From
the Slate

Field notes on captions, audio description, and the law that decides whether your video can ship.

Plain-language reference
on accessibility law,
broadcast spec, and the
practice of shipping on time.

§ 01 · Lead

The current edition

Compliance
Compliance 9 min read

ADA Title II
video rule,
in plain language.

April 2026 is not a soft deadline. The DOJ's final rule on Title II web and mobile accessibility binds large public entities now and the rest a year later. We read the 250-page rule so you don't have to — what it actually requires for video, what counts as compliant, and what doesn't.

By The Slate · Editorial Read article
§ 02

More from
the desk

12 published
02
Compliance
ADA Title III and video: what private entities owe
Title III covers retailers, hospitals, hotels, and streaming platforms. Plaintiffs filed 3,117 federal website lawsuits in 2025; courts apply WCAG 2.1 AA as the floor.
10 MIN
Read
03
Practice
Audio description for TV commercials: what's required, what it costs
FCC rules don't require AD on a :30 spot. Brand procurement, agency QA, and WCAG 2.1 AA increasingly do. The workflow and the math.
7 MIN
Read
04
Spec
VTT caption files and broadcast: which format goes where
WebVTT is for web. SCC is for broadcast. TTML is for premium SVOD. SRT is for social. The map and the reasons.
7 MIN
Read
05
Compliance
FCC broadcast caption and audio description rules, in plain language
The four FCC quality pillars, the 120-DMA AD footprint, and what enforcement looks like (Pluto TV's $3.5M consent decree).
8 MIN
Read
06
Spec
Closed captions for CTV advertising: VAST 4.1 in practice
VAST 4.1 supports sidecar caption files. Hulu requires burn-in. DV360 refuses sidecars. How to actually ship captioned CTV creative.
7 MIN
Read
07
Spec
Extreme Reach audio description: what XR actually requires (and doesn't)
XR makes AD optional on commercial uploads. CTS won't carry AD. Yangaroo offers it as a service. The full vendor map.
6 MIN
Read
08
Practice
3Play Media alternatives for ad agencies: the honest comparison
3Play, Rev, Verbit, NCI, Aberdeen, AI tools, and Post Slate — verified pricing and what each is good for.
7 MIN
Read
09
Compliance
WCAG audio description for corporate video: the 2.1 AA checklist
Four WCAG 2.1 criteria govern corporate video. The two brands miss most: 1.2.3 and 1.2.5. The 10-item checklist.
8 MIN
Read
10
Practice
How to make a corporate video ADA compliant
The brand workflow that defends a catalog: audit, set a floor, remediate, fix the player, document the work.
7 MIN
Read
11
Spec
Wistia and Vimeo: caption and audio description file formats, in detail
What each platform accepts, where the gaps are, and how to actually achieve WCAG 2.1 AA on both.
6 MIN
Read
12
Practice
Audio description cost per video: a real pricing reference for 2026
AD pricing from $7.25/min to $75/min — a 10× spread. Verified rates from 3Play, Gotham Lab, Voquent, Vicaps, and the SAG-AFTRA math.
8 MIN
Read

Inaugural issue. The lead piece is above; the next is in the queue.

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