How do we upload PDF and generate multi-lingual voice over narrations

Overview

This feature in Learnbee allows admins to upload PDF-based training content and convert it into narrated learning slides with voice-overs in multiple languages. It supports generating voice-over text from the PDF, translating it into selected languages, and producing audio narrations for each language.

When to Use

Use this feature when you need to:

Convert existing PDF training material into audio-supported learning content
Provide training in multiple regional or global languages
Support learners who prefer audio narration along with visual content
Standardize voice-over and translations across training slides

Concepts

Learnbee Topic
A training unit where PDF-based slides and voice-over narrations are created.
PDF Slide
A slide created by uploading a PDF file into a Learnbee topic.
Extracted Text
Text automatically pulled from the PDF slide for narration generation.
Voice-over Text
The script used to generate audio narration for a slide.
Base Language
The primary language selected for voice-over generation.
Additional Languages
Extra languages added for translating and generating voice-overs.
Generate Voiceover
The action that creates audio narration from the voice-over text.
Translate Text
The step used to convert voice-over text into selected languages.

4. Set Up Guide

Open the Learnbee Library.
Create or open a Learnbee Topic.
Click Add slide.
Select PDF under Import.
Upload the PDF file (up to 30 slides).
Select a PDF slide to configure narration.
Click Generate Voice-over.
Review the Extracted Text generated from the slide.
Edit the extracted text if required.
Click Use Extracted Text.
Select the Base Language for narration.
Select the Voice Type (Male or Female).
Click Generate Voiceover.
Click Next to move to Translate text.
Add additional languages (up to 6 per card).
Click Translate for each selected language.
Click Generate Voiceover for translated text.
Click Save to apply voice-overs to the slide.

5. User View

Learners see PDF-based slides with audio narration controls. They can play voice-overs in the available languages and switch between languages if multiple narrations are enabled.

6. Best Practices

Review extracted text before generating voice-over to avoid narration errors
Use clear and concise text for better audio clarity
Limit the number of languages per slide to maintain consistency
Ensure base language narration is correct before translating

Q: How many languages can be added per slide?
A: Up to 6 languages per card.

Q: Can the extracted text be edited before narration?
A: Yes, the extracted text can be modified before generating voice-over.

8. Version Notes

Last Updated: 22 Dec 2025