DS4OERS/Audiographic/Quiz

The questions which follow provide a basic knowledge test of selected concepts covered in this learning pathway: Static audiographic remix.

The questions published at the end of each learning pathway are re-used for the knowledge test for learners interested in earning a digital badge or certificate of participation for the Digital skills for OER sharing (DS4OERS) micro-course. Please consult the Certify participation page for more information.

True - false questions

Indicate whether the following statements are true or false:

• Changing data from an image format to video is an example of rendering.
  • True
    • Correct.
  • False
    • Incorrect. 'Rendering' means changing data from one form to another.
• A transcript is a text prepared in advance for the purpose of reading it aloud for an audio or video recording.
  • True
    • Incorrect. That is a description of a script, not a transcript. Check back in the learning materials to clarify your understanding of a transcript.
  • False
    • Correct. That is a definition of a script, not a transcript.
• You can legally include a short extract of any piece of music in a video, provided it is used for educational purposes.
  • True
    • Incorrect. The laws of copyright apply to music, as well as to text, video and images. You may only use openly licensed music, and music in the public domain, for a video, unless you have the copyright owner's permission.
  • False
    • Correct. You may only use openly licensed music, and music in the public domain, unless you have the copyright owner's permission.
• Audacity is software for recording and editing sound.
  • True
    • Correct.
  • False
    • Incorrect. Audacity is open source audio software and is recommended in this course for recording and editing the sound elements of your video.

Multiple choice questions

• Which file format should you use for exporting an audio file if you want a smaller file size, and high quality sound is not very important?
  • MP3
    • Correct.
  • MP4
    • Incorrect. This is a video file format.
  • GNU
    • Incorrect. This is a licence type, not a file type.
  • WAV
    • Incorrect. WAV are high quality, 'lossless' audio files, so have a larger size than an MP3 file for the same piece of audio.
• What sort of diagram would be the best to use to illustrate a process?
  • Venn
    • Incorrect. A Venn diagram is more suitable for comparing similarities and differences between several concepts.
  • Fishbone
    • Incorrect. Fishbone diagrams are better for illustrating cause and effect.
  • Flowchart
    • Correct. Flowcharts are good for illustrating processes.
  • Timeline
    • Incorrect. A timeline is more suitable for illustrating a historical (or future) sequence of events with specific dates/times.
• What is the most widely used aspect ratio for digital video nowadays?
  • 6:4
    • Incorrect. This is not a widely used image ratio.
  • 16:9
    • Correct. This is the most widely used aspect ratio for computer screens, mobile phones and tablets.
  • 9:16
    • Incorrect. Ratios are normaly cited as Width x Height.
  • 4:3
    • Incorrect. This is an older image aspect ratio that is not widely used in modern devices.
• If you want to include images in a video that you are making for the internet, what is the best file format to use for the final images?
  • .SVG
    • Incorrect. SVG, as a vector format, are ideal for diagrams and charts. They can be included in videos that will be rendered during the process but are better suited for including text and diagrammatic representations.
  • .JPG
    • Incorrect. The quality of JPG is lower than PNG, and the JPG format does not support transparency when you want to overlay images.
  • .PNG
    • Correct. Even though PNG results in a larger file size than JPG, it has better compression and supports transparency for overlaying images in video production.
  • .PDF
    • Incorrect. It is better to convert a PDF image into PNG for inclusion in video productions.