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Hard Reading and Writing · Expression of Ideas · Rhetorical Synthesis · MCQ

While researching a topic, a student has taken the following notes:

  • The Million Song Dataset (MSD) includes main audio features and descriptive tags for popular songs.
  • Audio features include acoustic traits such as loudness and pitch intervals.
  • Many algorithms use these audio features to predict a new song’s popularity.
  • These algorithms may fail to accurately identify main audio features of a song with varying acoustic traits.
  • Algorithms based on descriptive tags that describe fixed traits such as genre are more reliable predictors of song popularity.

The student wants to explain a disadvantage of relying on audio features to predict a song’s popularity. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A

    Many popularity-predicting algorithms are based on a song’s audio features, such as loudness and pitch intervals.

  2. B

    Algorithms based on audio features may misidentify the main features of a song with varying acoustic traits, making such algorithms less reliable predictors of popularity than those based on fixed traits.

  3. C

    Audio features describe acoustic traits such as pitch intervals, which may vary within a song, whereas descriptive tags describe fixed traits such as genre, which are reliable predictors of popularity.

  4. D

    The MSD’s descriptive tags are reliable predictors of a song’s popularity, as the traits they describe are fixed.

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id cb_question_bank:0ea7fff8-ff71-4e5d-a2b2-4c295723ef62 · question 16631d34 · JSON