How do you use video translation?

Question

How do you use video translation?

mervin jules 0

How do you use video translation? There is no instruction on how to do that?

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3 answers

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Answer 1

Hi mervin jules,
Thanks for contacting us through the Microsoft Q&A forum.

Please find below the steps to use the Video Translation feature with the Azure Speech service / Foundry Tools.

Prerequisites

Before getting started, please ensure you have:

An active Azure subscription.
An Azure Speech resource created in a supported region.
An Azure Blob Storage account to store the video.
A video in MP4 format, less than 5 GB in size, and no longer than 4 hours.

Steps to Translate a Video

Upload the video

Upload your MP4 video to an Azure Blob Storage account and note the Blob Storage URL, as it will be required when creating the translation project.

Create a Video Translation project

Open the Microsoft Foundry portal or Speech Studio and navigate to the Video Translation section.

Create a new project and provide the following information:

Project name
Number of speakers
Source language
Target language
Voice type (Standard voice or Personal voice, if eligible)

Configure optional settings

You can optionally configure:

Custom lexicon for specific words or pronunciation.
Subtitles, including automatically generated subtitles or uploaded WebVTT/JSON subtitles.
Whether subtitles should be burned directly into the translated video.

Start the translation

Review the configuration and create the translation project. The service will process the video and generate the translated audio and subtitles. You can monitor the processing status from the project dashboard.

Review and edit

Once processing is complete, you can review the translated video and scripts.

You can also make adjustments to:

Voice settings
Translation/script segments
Segment timestamps
Subtitles

The translated content can be reviewed and edited before finalizing it.

Download the translated video

After completing the review, you can download the translated video and subtitle files for further use or distribution.

Additional Information

Video Translation also supports translating the same source video into multiple target languages. The portal provides human-in-the-loop editing capabilities so that you can review and adjust the generated translation before finalizing it.

For detailed information, please refer to the official Microsoft documentation:

How to use video translation – Speech service – Foundry Tools

Video translation overview – Speech service – Foundry Tools

Please let us know if you have any further questions.
Thank you!

Pavan Kumar Purilla 410 Reputation points Microsoft External Staff Moderator

2026-08-25T06:12:55.2933333+00:00

Hi mervin jules,
Did you get any chance to review the above response. Do let me know if you have any further queries.
Pavan Kumar Purilla 410 Reputation points Microsoft External Staff Moderator

2026-08-27T09:21:17.3033333+00:00

Hi mervin jules,
Just following up to see if you’ve had a chance to review my previous response. Please let me know if you have any questions or need any further clarification from our side.Thank you.

Answer 2

Jose Benjamin Solis Nolasco 12,201 Volunteer Moderator

Hello @mervin jules , I hope you are doing well,

Welcome to Microsoft Q&A.

If you meant Video translator for Azure AI Speach, You can use Video Translation directly from the Azure AI Speech playground without writing code.

Open the Microsoft Foundry portal and go to Speech capabilities by scenario → Video translation.

Select Go to Speech playground.

Select My videos → Upload video.

Upload your .mp4 video (maximum 5 GB and 4 hours).

Select the source language, target language, number of speakers, and voice type.

Create the translation project and wait until the status shows Succeeded.

Open the completed project to review the translated video and subtitles.

You can also use the REST API if you want to automate video translation from an application.

For the complete step-by-step instructions, see Microsoft's documentation:

How to use Video Translation – Microsoft Learn

Video Translation overview – Microsoft Learn

If my answer helped you, please consider marking it as accepted. This helps others in the community find similar solutions.

Devaram Harika 10 Reputation points Microsoft External Staff

2026-08-14T12:12:50.4433333+00:00

Hi @mervin jules ,

We sincerely apologize to hear that the issue has not yet been resolved. Your satisfaction is important to us, and we are committed to working with you toward a resolution. Please share your email ID, feasible time to connect in Private Message.
Jose Benjamin Solis Nolasco 12,201 Reputation points Volunteer Moderator

2026-08-18T23:20:16.6433333+00:00

@mervin jules Just following up, Do you need more guidance or assistance ?

Answer 3

Video translation can be used in either the Foundry portal/Speech playground UI or through the REST API.

In Foundry portal / Speech playground:

Go to the model catalog in Microsoft Foundry portal.
Search for Azure-AI-Speech.
Select Azure-AI-Speech.
Select Speech capabilities by scenario > Video translation.
Select Go to Speech playground.
Select My videos > Upload video.
Choose a Voice type:
- Standard voice: automatically matches the speaker to a standard voice.
- Personal voice: uses a matching personal voice. Personal voice requires approved access.
Upload the video. Requirements:
- .mp4
- less than 5 GB
- shorter than 4 hours
Enter:
- Number of speakers
- Language of the video
- Translate to language
Acknowledge pricing information and code of conduct.
Optionally open Advanced settings.
Create the project.

Subtitle options when creating a project:

Automatic subtitles: produces both source and target subtitles.
Upload source language subtitles: produces both source and target subtitles.
Upload target language subtitles: produces only target language subtitles.

After upload and creation:

Processing status can be checked on the project tab.
When the video shows Succeeded, open it to compare Translated and Original tabs.
The original and translated scripts appear beside the video, and hovering a script segment jumps to that part of the video.

Adjustments after translation:

Change voice settings such as voice type, gender, and voice.
Add or remove script segments.
Adjust script timing with the waveform.
If a segment shows unidentified voice, manually change the voice name.
Select Save to keep work in progress without charges.
Select Apply changes to apply edits; charges occur when changes are applied.

Translate the same original video to another language:

Open the project.
Select + New language.
Choose the new target language and voice type.
A new project is created automatically.

Using the REST API:

Create a translation for a video stored in Azure Blob Storage and specify parameters such as source language, target language, voice type, and whether subtitles are burned into the video.
Start translation by creating an iteration.
Check status periodically until it is Succeeded or Failed.
Download the translated video and subtitles.
Optionally create more iterations to refine the result.

REST API prerequisites:

Azure subscription
Speech resource in a supported region
Azure Blob Storage account
Supported source and target languages
Video file in .mp4, less than 5 GB, shorter than 4 hours