Audio Communication Channels
Audio-based accessibility technologies and services that provide spoken access to information.
Screen Readers
Screen readers convert digital text and interface elements into synthesized speech or Braille output.
Major Screen Reader Software
English Screen Readers
- JAWS (Job Access With Speech)
- Primary market: Windows
- Languages: English (US, UK, and other variants)
- Status: Commercial, widely used
- NVDA (NonVisual Desktop Access)
- Primary market: Windows
- Languages: English and many others (open-source, community-translated)
- Status: Free, open-source
- VoiceOver
- Primary market: Apple (macOS, iOS, iPadOS, watchOS, tvOS)
- Languages: English and many others
- Status: Built-in, free
- Narrator (Windows)
- Primary market: Windows
- Languages: English and many others
- Status: Built-in, free
- Orca
- Primary market: Linux
- Languages: English and many others
- Status: Free, open-source
Other Language Screen Readers
- Spanish: JAWS, NVDA, VoiceOver (localized)
- French: JAWS, NVDA, VoiceOver (localized)
- German: JAWS, NVDA, VoiceOver (localized)
- Japanese: PC-Talker, NVDA (localized)
- Chinese: NVDA (localized), various Chinese screen readers
- Arabic: JAWS, NVDA (localized, right-to-left support)
- And many more…
Audio Descriptions
Audio descriptions (also called video description or described video) provide spoken narration of visual elements in video content.
By Language
- English: Extensive library in US, UK, Canada, Australia
- French: Growing library in France and Canada
- Spanish: Available in Spain and Latin America
- German: Available in Germany and Austria
- Japanese: Available in Japan
- And many more languages…
Audiobooks
Spoken-word recordings of books and other written content.
Production by Language
- English: Extensive library (Audible, LibriVox, etc.)
- French: Large library (Audible France, etc.)
- Spanish: Growing library
- German: Large library
- Japanese: Growing library
- Mandarin Chinese: Growing library
- Arabic: Growing library
- And many more languages…
Text-to-Speech (TTS) Systems
Synthetic speech systems that convert text to audio.
Major TTS Engines
Counting Methodology
1 per language-channel combination
Examples:
- “Spanish screen-reader output” = 1 entry
- “French audio description” = 1 entry
- “Japanese audiobook” = 1 entry
Notes
- Screen reader localization is crucial for accessibility
- Audio descriptions make visual media accessible
- Audiobooks provide access to literature and educational content
- TTS quality varies significantly by language and engine