Animations, sounds and flashes can be paused.

Allow the user to pause animated gifs, jingles, sound or visual animations

Objectives

  • Let the user control the animations when viewing content.
  • Allow step-by-step consultation of sequential animations or sound content.
  • Making content accessible to people with disabilities

Implementation

  • For visual animation lasting > 5 seconds or sound lasting > 3 seconds, systematically provide the multimedia object with the necessary control means: start, stop, mute or volume. Do not use animated graphics that are not controllable or partially controllable by the user (animated gif images in particular). In the OPF metadata, indicate this metadata:noFlashingHazardnoMotionSimulationHazardnoSoundHazard

Control

  • In each page containing a visual animation or sound: Check the possibility of stopping the animation, sound or flashing (pause, restart, sound volume if applicable).

Validation

  • Needs to be human verified.

Informations :

Steps concerned :

references :

metadata :

  • ONIX
  • OPF [schema accessibilityHazard noFlashingHazard chema:accessibilityHazard noMotionSimulationHazard schema:accessibilityHazard noSoundHazard]

About that rule

Rule origin : Opquast | Opquast reference 4 121 | Updated on September 18, 2024

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