In addition to Documents, you can also use media contents of the Media Library

If you have a media content and the corresponding original language subtitle, you can turn them into dictation materials.

Supported media content types: MP3, MP4
Supported subtitle formats: SRT, SMI, SAMI

Make Dictation with Media Library contents

Make Dictation with Documents contents

Open Documents via the second menu Documents in the MY FILES section of the left menu

Make Dictation menu by selecting a media content of Documents item
Select the first menu Make Dictation

Select an original sound subtitle of the media content, that's it!

You can assign a translation subtitle as needed.

Select Subtitles from Documents or..

Subtitle Search allows you to use subtitles of OpenSubtitles.org SubScene.com

MediaDict