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The Audiology in Agil

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1.  Compression has which three goals that are hard to achieve simultaneously:
  1. full audibility for the speech signal, protection against loudness discomfort, and signal fidelity
  2. audibility for soft sounds, protection against noise induced hearing loss; maximum speech intelligibility
  3. maximum speech intelligibility, functional gain within the normal hearing range, signal fidelity
  4. functional gain within the normal hearing range, low battery drain, output within +/- 5 dB of patient's UL
2.  Speech Guard differs from traditional multi-channel input compression systems by:
  1. Speech Guard incorporates a single monitoring system to determine the level of the input signal
  2. Speech Guard does not determine the level of the input signal
  3. Speech Guard incorporates a pair of interacting analyzers to look at the input signal
  4. none of the above
3.  According to the article, the overriding goal of hearing aid development is:
  1. to improve the ability of the patient to hear and understand in difficult listening situations
  2. to increase market share for the manufacturer
  3. to design styles and technology that will appeal to the elusive baby boomer market
  4. all of the above
4.  As reported by Minnaar (2010a), listeners with mild-to-moderate hearing loss showed
  1. a strong preference for the PowerBass system to be active when listening via open fittings to music but not to speech
  2. a strong preference for the PowerBass system to be active when listening via open fittings to speech but not to music
  3. a strong preference for the PowerBass system to be active when listening via open fittings to music and speech
  4. a strong preference for PowerBass to be inactive when listening via open fittings to music and to speech
5.  As reported by Minnaar (2010b), hearing impaired listeners report
  1. a strong preference for the activation of the Music Widening algorithm
  2. a strong preference for the inactivation of the Music Widening algorithm
  3. no preference for Music Widening algorithm either activated or inactivated
  4. None of the above
6.  The Rise 2 platform:
  1. is half the clock speed as compared to the original Rise platform.
  2. implements a doubled clock speed compared to the original Rise platform with the same current draim
  3. is implemented in Epoq and Dual
  4. requires larger size and more current drain
7.  Binaural Noise Management
  1. will focus the response by maximizing audibility on the side with the better signal-to-noise ratio (SNR) and suppress sound levels on the more challenging side when the SNRs are significantly different on both sides
  2. will focus the response by maximizing audibility on the side with the poorer signal-to-noise ratio (SNR) and suppress sound levels on the better side when the SNRs are significantly different on both sides
  3. will focus the response by shutting off in noise over 85 dB SPL
  4. None of the above
8.  PowerBass:
  1. can be used with open fitting
  2. maximizes the low frequency response on an on-going basis
  3. enhances the harmonic structure of lower frequency sounds to fill out the sound quality of the streamed signal
  4. all of the above
9.  Why does Speech Guard use linear processing whenever possible?
  1. to maintain the highest signal fidelity
  2. to manipulate the speech signal as much as possible
  3. to preserve on battery drain
  4. linear signals are less likely to feed back
10.  With Agil, Oticon introduces four new important features discussed in the article. These are:
  1. PowerTreble, Music Widening, Binaural Noise Management, Speech Guard
  2. PowerBass, Music Widening, Binaural Noise Management, Speech Guard
  3. Monaural Noise Management, Music Compression, Speech Sentry, PowerTreble
  4. PowerBass, Monaural Noise Reduction, Music Guard, Speech Maximo