How to Fix Acrobat Read Aloud Language Not Recognized Issue
Question details
The user is unable to use the Acrobat Read Aloud feature because the mobile device fails to recognize or access the selected text-to-speech language.

- Product
- Adobe Acrobat Reader
- Device & OS
- Android or iOS
- Scenario
- Attempting to listen to a PDF document using the Read Aloud (text-to-speech) functionality on a mobile device.
- Observed behavior
- The Read Aloud feature fails to function, typically displaying an error or remaining silent because the required text-to-speech language is not recognized by the operating system.
Ensure that your device has an active internet connection to download any missing language packs, and verify that your operating system is updated to the latest version.
Configure Device Text-to-Speech Settings
Resolve the language recognition error by manually assigning the correct text-to-speech engine and language in your mobile device's accessibility settings.
Acrobat relies on your mobile device's built-in text-to-speech (TTS) engine to read documents aloud. If the default engine is improperly configured or lacks the necessary language pack matching your PDF, the Read Aloud feature will fail.
Navigate to your Android or iOS device's main Settings app.
Scroll down and tap on 'Accessibility'. If you cannot locate it easily, use the search bar at the top of the Settings app.
Tap on 'Text-to-Speech Output' (on Android) or 'Spoken Content' (on iOS).
Tap the Settings icon next to your preferred TTS engine. Choose the correct language that matches the text in your PDF, and adjust the speech rate and pitch as desired.

Try WPS Office for Seamless PDF Reading and Editing
If you continue to experience troubleshooting issues with Acrobat or need a more versatile mobile app, switch to WPS Office. It provides a lightweight, all-in-one suite for managing PDFs, Word documents, Excel sheets, and PowerPoint slides with excellent format compatibility and familiar user interfaces.
- 1. Download the app: Install WPS Office for free from the official WPS website, Google Play Store, or Apple App Store.
- 2. Open your document: Launch WPS Office and tap the '+' icon or 'Open' to import your PDF document.
- 3. Access reading tools: Navigate to the reading view to utilize built-in accessibility, annotation, and document viewing tools without language recognition conflicts.

Frequently Asked Questions
Why does Acrobat Read Aloud skip certain words or pages?
Acrobat Read Aloud may skip text if the PDF is scanned as an image rather than readable text, or if the document contains highly complex formatting. Running OCR (Optical Character Recognition) on the PDF beforehand can help resolve this.
Can I download additional text-to-speech languages on Android?
Yes, you can install additional language packs by going to Settings > Accessibility > Text-to-Speech Output. Tap the settings gear next to your text-to-speech engine and select 'Install voice data'.
Does iOS have its own built-in Read Aloud feature for PDFs?
Yes, iOS features 'Spoken Content'. You can enable it by navigating to Settings > Accessibility > Spoken Content and toggling on 'Speak Screen'. You can then swipe down with two fingers from the top of the screen to read any open PDF.
How do I fix text-to-speech stopping abruptly in the background?
Abrupt stopping is often caused by aggressive battery optimization settings closing the background TTS engine. To fix this, go to your device's battery settings and whitelist both your text-to-speech engine and your PDF reader from battery optimization.




