Audio Engineering - Audio File Compression

10 Questions | Total Attempts: 95

SettingsSettingsSettings
Please wait...
Audio Engineering Quizzes & Trivia

In relation and preparation for worksheet 3


Related Topics
Questions and Answers
  • 1. 
    What does MP3 stand for?
    • A. 

      MPG Layer 3

    • B. 

      Motion Picture Entertainments Group Layer 3

    • C. 

      Motion Picture 3

    • D. 

      Music Process 3

  • 2. 
    What does WMA stand for?
    • A. 

      Windows Media Audio

    • B. 

      Wireless Movie Audio

    • C. 

      Wireless Media Audio

    • D. 

      Word Media Access

  • 3. 
    What does FLAC stand for?
    • A. 

      File Lossy Audio Codex

    • B. 

      Function Lossless Audio Codec

    • C. 

      Free Lossless Audio Codec

    • D. 

      F-Codec

  • 4. 
    Which of the following file types use lossy compression
    • A. 

      Wav

    • B. 

      AIFF

    • C. 

      MP3

    • D. 

      WMA

    • E. 

      RA / RAM (Real Audio Media)

    • F. 

      FLAC

    • G. 

      AAC

    • H. 

      ALAC

    • I. 

      REX

  • 5. 
    Which of the following are examples of Lossless Audio Compression?
    • A. 

      Wav

    • B. 

      AIFF

    • C. 

      MP3

    • D. 

      WMA

    • E. 

      RA / RAM (Real Audio Media)

    • F. 

      FLAC

    • G. 

      AAC

    • H. 

      ALAC

    • I. 

      REX

  • 6. 
    Which of the following factors have an impact upon the file size of an uncompressed file
    • A. 

      Sample Rate

    • B. 

      Bit Depth

    • C. 

      Stereo Image

    • D. 

      Whether the file is mono or stereo

    • E. 

      Length of the Audio File

    • F. 

      Number of different frequencies used

    • G. 

      Dynamic Range

    • H. 

      Repetitions within the audio file

  • 7. 
    If a typical dance song was stored in the following formats, which is likely to have the smallest file size
    • A. 

      WAV @ 44.khz, 16 bit, Stereo

    • B. 

      AIFF @ 48khz, 16bit, Mono

    • C. 

      FLAC @ Medium Processing Time Compression

    • D. 

      MP3 @ 192kb/ps

  • 8. 
    Which of the following file types would VBR relate to?
    • A. 

      WAV

    • B. 

      MP3

    • C. 

      ALAC

    • D. 

      FLAC

  • 9. 
    In relation to a lossy audio file, which of the following statements are true about Bit Rate
    • A. 

      The higher the bit rate the lower the accuracy to the original uncompressed file

    • B. 

      The lower the bit rate the higher the accuracy to the original uncompressed file

    • C. 

      Bit Rate is the maximum amount of data that can be stored per second

    • D. 

      Bit Rate is the minimum amount of data that can be stored per second

  • 10. 
    Which of the following is NOT likely to affect the file size of a lossless compression process
    • A. 

      Repetition within the content of the audio

    • B. 

      Frequency Range

    • C. 

      Time taken by the encoder

    • D. 

      Bit Rate of the encoder