2.4 Media Formatting Assessment

Digital sound recordings capture sound waves and divide them into distinct segments. Each segment is assigned a value. What is that value called?

• Resolution

• • Bit depth

• • Sampling rate

• • Sample height

How many possible values would an 8-bit audio sample have?

• 16

• 256

• 256,000

• 65,000

Which of the following makes videos appear smoother and more fluid?

• Higher resolution

• Lower frame rate

• Higher frame rate

• Lower resolution

Match each feature to Audio or Video

Groups:

(a) Audio

,

(b) Video

• Bit Depth

• Frame Rate

• Color Depth

• Rosolution

• Sampling Rate

Which of the following is a lossless compression algorithm?

• MP4

• Run-length encoding

• PNG

• Compression artifact

What are pixels that are the exact same between multiple frames called?

• Compression artifact

• Temporal redundancy

• Run-length encoding

• Lossless compression

Which kind of file would be hurt most by a lossy compression algorithm?

• An audio file containing music

• A digital photograph

• An audio file containing speech

• A text document

A typical computer monitor is which type of display?

• RGB

• Raster

• Vector

• White

Which type of digital picture is made by storing individual pixel values?

• High-res

• Pixel map

• Vector

• Raster

Which type of digital picture can be scaled to any size without losing quality?

• Raster

• High-res

• Vector

• Transparent