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Comparison of Music Sound Quality Between Hearing Aids and Music Programs

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1.  Which statement about speech is not true?
  1. Average speech levels vary between 55 and 66 dBA.
  2. The female fundamental frequency can be as low as 100 Hz.
  3. Speech acoustics are fairly consistent across languages.
  4. The typical speech dynamic range is 20-30 dB.
2.  In what ways can music differ acoustically compared to speech?
  1. Larger dynamic range
  2. Broader frequency spectrum
  3. Higher overall level
  4. All of the above
3.  Which statement about music genres is not true?
  1. Acoustically, all genres are the same.
  2. The acoustics of each genre depends on the instruments played.
  3. Music genres can affect hearing aid sound quality differently.
  4. Music genres can be acoustically similar to speech.
4.  Which of the following statements best describe the results of a survey of hearing aid users regarding their own music programs?
  1. Common features of a music program include strong compression and noise reduction settings.
  2. Most hearing aid users have a music program and they find it improves music sound quality.
  3. Music program parameters are typically the same between manufacturers.
  4. A minority of hearing aid users have a music program and they do not find that it improves music sound quality.
5.  What is the typical audible bandwidth of a hearing aid?
  1. 300 Hz - 3400 Hz
  2. 200 Hz - 5000 Hz
  3. 100 Hz - 12500 Hz
  4. 100 Hz - 2000 Hz
6.  Is hearing aid selection an important consideration for hearing aid users who listen to music?
  1. Yes. Some hearing aids have better music sound quality compared to others.
  2. Yes. Only a hearing aid with a music program should be selected.
  3. No. All hearing aids improve music sound quality equally.
  4. No. All hearing aids distort music sound quality equally.
7.  How does a hearing aid music program affect music sound quality?
  1. It improves music sound quality, regardless of genre or brand
  2. It improves music sound quality, depending on the brand but not genre.
  3. It improves music sound quality, depending on the genre and brand.
  4. It does not improve music sound quality for any genre or brand
8.  In the study, how did genre affect hearing aid music sound quality?
  1. Some genres were more sensitive to differences between hearing aid brands.
  2. Some genres were more sensitive to differences between music programs.
  3. There was no relationship between genre and hearing aid music sound quality.
  4. A & B
9.  Based on the literature, what are some electroacoustic parameters that best improve music sound quality?
  1. Lowering the gain in the low-frequency range.
  2. Using the least compressive settings possible.
  3. Using fast-acting, non-linear compression settings.
  4. Using short-acting, non-linear compression settings.
10.  What was the difference between frequency-gain curves for a high-rated music clip vs. a low-rated music clip?
  1. More gain the in the low frequencies for the high-rated clip.
  2. Less gain in the high frequencies for the high-rated clip.
  3. Less gain in the low frequencies for the high-rated clip.
  4. There was no difference.

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