Drillster Support & Info

Creating drills with audio and video

Creating drills with audio and video

This is a list of questions related to the use of audio and video in drills.

 

Can I use audio or video content in a drill?

Yes, you can. Select the line to which you would like to add an image, audio or video file. Select ‘media’ as the file type and then select the file. The file will now be uploaded. 

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Can I add audio or video content to a drill if the drill largely consists of text?

Yes, you can combine as much text, audio or video as you like. When you want to add a new question with a image, audio or video in your drill, you have to click on the blue '+-sign'. You first have to upload your image, audio or video (maximun 100MB a question) and then you can add the text or question. 

 

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What file formats are accepted by Drillster?

For audio fragments, all popular file formats are supported. For images, most current file formats are supported such as .png, .jpeg and .gif. The ideal size for images are maximun 640 pixels wide and 440 pixels high.

For audio fragments you can add all common formats such as AIFF, WAVE (WAV), FLAC, ALAC, OGG, MP2, MP3, AAC, AMR, and WMA files.

A video can be uploaded in MPEG, MP4 and most other common video formats. Windows Media is not supported explicitly. To make a good and fast video even on mobile devices we advise you to reduce video files to 854 x 480 pixels and save it as 'medium quality'. Your videos will be optimal for all channels.

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Can Drillster convert my questions or answers to speech?

Yes. Select 'speech' before submitting the inputted text. The name of the language that will be used to pronounce the text is displayed. Click on the language to pick another language or voice. Submitting the text will start the text-to-speech conversion. This option is not available to basic account holders.

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What languages are available for Drillster's text-to-speech functionality?

The text-to-speech functionality is available in the following languages:

German
English (UK)
English (US)
Spanish
French
Italian
Dutch
Flemish
Portuguese
Mandarin
Japanese
Russian

With the exception of Flemish, Mandarin, Japanese, Russian, both a female and male voice is available for each language. In Flemish, Mandarin, Japanese and Russian only a female voice is provided.

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Can Drillster convert math problems to speech?

It is possible to have Drillster pronounce math problems. If for example you input '2 + 2 = 4' in the drill editor, and select to convert this to speech, Drillster will do this correctly. Keep in mind that a premium account or license is needed in order to convert text to speech. MathML equations cannot be converted to speech.

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