Day 4 Audio File Formats

You want to save on space and don't mind a little lower file quality. What do you use?

• Lossy compression

• Lossless compression

• Uncompressed

• I don't know

Based on our notes, which file type is compatible on most programs?

• MP3

• FLAC

• WMA

• WAV

What's the file size of an MP3

• Small

• Large

• Medium

• Very large

What compression does MP3 use?

• Lossy

• Lossless

• There's no compression

• I don't know

Lowering the bitrate can _______,

• reduce how true to the original sound the file is

• increase how true to the original sound the file is

• make the sound quality way better

• increase file size

Lowering bitrate can ____ the file size.

• lower

• increase

• maintain

• double

What is bitrate measured in?

• kbps

• mph

• mpg

• lbs

What can impact file size?

• bitrate

• Hz

• loudness

• Nothing

You want to make a file smaller but not lose any data. Which compression do you use?

• Uncompression

• Lossless compression

• Lossy compression

• Compressed compression

Can data be regained from lossy compression?

• Yes

• No

• Sometimes

• Always