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Compliance with accessibility standards ensures that people with visual or hearing impairments can access your video & audio content.
Legislations, such as the Americans with Disabilities Act (ADA) and the European Accessibility Act (EAA) consider the WCAG guidelines as a best practice.
WCAG stands for Web Content Accessibility Guidelines. It is a set of guidelines and standards developed by the Web Accessibility Initiative of the World Wide Web Consortium (W3C).
The WCAG is a set of guidelines which aim to make web content more accessible to people with disabilities. Following these guidelines can help you to create a more inclusive digital environment.
For audio and video content, WCAG provide specific recommendations to ensure that the content is accessible to a wide range of users, including those with disabilities.
Provide captions for pre-recorded audio content. Captions should be synchronised with the media and include all relevant information. This is particularly important for individuals who are deaf or hard of hearing.
For video content, provide audio description of visual information that is essential for understanding the content. This benefits users who are blind or visually impaired.
Provide a text transcript for all pre-recorded audio content. This allows users who cannot hear the audio to access the information through text.
For prerecorded video and audio content, provide sign language interpretation to make the information accessible to users who rely on sign language.
Ensure that the media player can be operated using a keyboard, as some users may have difficulty using a mouse. This helps meet the needs of users with mobility impairments.
Ensure that all functionality of the media player is operable via a keyboard interface, allowing users who cannot use a mouse to control and access the media.
Ensure that there is a visible focus indicator that can be seen and operated by keyboard users. This helps users with visual or motor disabilities understand where they are in the media player interface.
Provide controls for users to pause, stop, or hide any moving, blinking, scrolling, or auto-updating content within the media player. This helps users with cognitive or attention-related disabilities.
Content cannot have more than 3 flashes per second unless the flashing content is small enough, the flashes are low contrast, and they do not violate the general flash threshold.
Small text (below 18 pt regular or 14 pt bold font) must have a minimum of 4.5 to 1 contrast ratio with the background. Large text (over 18 pt or 14 pt bold) must have at least a 3:1 contrast ratio with the background.
Following WCAG guidelines is considered a best practice for meeting the accessibility requirements under the Americans with Disabilities Act (ADA), even though the ADA does not specifically mandate compliance with WCAG.
The European Accessibility Act (EAA) acknowledges and incorporates the WCAG guidelines as a recognised standard for media accessibility, emphasising the importance of making digital content accessible for people with disabilities.
WCAG is set around four principles: perceivable, operable, understandable, and robust. Sometimes communicated by the acronym POUR.
Provide text alternatives for any non-text content so that it can be changed into other forms that people need, such as large print, braille, speech, symbols, or simpler language.
Provide alternatives for time-based media, such as audio and video. This includes providing captions for video content and text transcripts for audio content.
Make all functionality available from a keyboard. This is important for users who may have difficulty using a mouse, including some individuals with mobility impairments.
Provide users enough time to read and use content. This includes controls within media players to allow users to pause or stop, benefiting users with cognitive or attention-related disabilities.
Make text content readable and understandable. While this guideline is broad, it can be applied to ensuring that text content associated with media is clear and easy to comprehend.
Maximize compatibility with user agents, including assistive technologies. This involves using standard and well-supported formats for media content to ensure widespread accessibility.
In the US large organisations have been the main target of ADA accessibility lawsuits for years, but smaller companies (under $25 million revenue) received 77% of cases in the first half of 2023 alone.
In the European Union (EU), the deadline is June 28, 2025 for companies to act and ensure compliance with the European Accessibility Act (EAA). After the deadline, we can expect to start seeing accessibility lawsuits in the EU.
Many people who are Deaf can read text well. They get the audio information from transcripts or captions. Some people prefer sign language.
Some people who are hard of hearing like to listen to the audio to hear what they can, and have captions to fill in what they can’t hear adequately.
Some people who have difficulty processing auditory information also use captions. Many use transcripts so they can read at their own pace.
Some people cannot focus and comprehend auditory or visual information when there are changing visuals. For most videos, they also need descriptive transcripts.
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Specific requirements vary based on regional laws and regulations. However, both the ADA in the US and EAA in the EU consider the WCAG guidelines as a best practice.
The Americans with Disabilities Act is a comprehensive civil rights law in the United States that prohibits discrimination against individuals with disabilities.
The European Accessibility Act is a EU directive aimed at improving the accessibility of products and services for persons with disabilities.
WCAG stands for Web Content Accessibility Guidelines. WCAG is a set of guidelines developed by the Web Accessibility Initiative of the World Wide Web Consortium (W3C).
The information presented within this page and/or guide is aimed at organisations seeking to learn the ropes of media accessibility and is correct at the time of publishing. Updates may be made periodically in line with changes to laws and regulations. Technical elements around media accessibility are described and presented in as simplified a manner as possible. Our guides and pages have no legal bearing, and cannot be relied on in the case of litigation.
"Subly's platform became the catalyst for our transformation. We revamped our strategy by introducing on-demand videos, now accessible in all UN languages and Portuguese, thereby breaking down linguistic barriers and opening our doors to a wider audience."
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