R093_ Audio & Moving Image Files

What does bit depth affect in an audio file?

• File size

• Dynamic range of volume

• Sample rate

• File format

Which audio file format maintains a high quality of sound and is standard for iTunes and Android?

• MP3

• WAV

• AAC

• FLAC

What does a higher sample rate improve in audio playback?

• File size

• Playback quality

• Bit depth

• File format

Which file format is described as lossy with a small file size?

• MP3

• WAV

• AAC

• FLAC

What is the role of ADC in the digitization process?

• Converts digital data to analogue

• Converts analogue data to digital

• Reduces file size

• Increases bit depth

What is the impact of a higher frame rate in video?

• Leads to a jittery effect

• Causes a start/stop motion

• Leads to a smoother motion

• Blurs the details of the animation

What does frame rate measure in video production?

• The number of pixels

• The speed of individual still photo projection

• The quality of sound

• The file size

Which resolution is described as 8K?

• Standard Definition

• High Definition

• Ultra High Definition

• Ultra High Definition 8K

What is a characteristic of the MPEG file format?

• Lossless file format

• Only compatible with Apple devices

• Maintains a high quality of sound

• Large file size

What happens if the frame rate is too slow?

• Leads to a smoother motion

• Causes a start/stop and jittery effect

• Blurs the details of the animation

• Increases the file size