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OpenSound Navigator: A Paradigm Shift in Attacking the Noise Problem

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1.  In traditional directional systems: The polar plots are always fixed The polar plots adjust to maximally reduce SPL from the back and sides The polar plots can only take on three discrete shapes The polar plots are always "backward facing"

2.  In traditional noise reduction systems: Noise versus speech is determined within time windows measured in tens of milliseconds Noise reduction happens before directionality The long-term modulation pattern of the signal is analyzed Noise reduction operates only across the full bandwidth of the device

3.  In Open Sound Navigator: A backward facing polar plot provides an estimate of the noise to be eliminated The directionality works rapidly in sixteen channels Noise reduction is assisted by knowing the characteristics of the noise signal from the back and sides All of the above

4.  With Open Sound Navigator: Noise reduction works both long-term and also extremely rapidly Speech signals from the back and sides are treated the same The directional system isolates it's knowledge from the noise reduction process All of the above

5.  The pupils dilate: When the person is totally relaxed When the person is under stress In response to the general health of the person None of the above

6.  Memory for what has just been said: Can reflect the ability to process the information more deeply Declines if the words are harder to understand Can involve components of both short term and longer memory All of the above

7.  Pupil dilation: Can only be measured subjectively Is very consistent across people Is NOT affected by factors such as lighting and drug use Varies depending on the cognitive difficulty of the task

8.  The Velox Platform: Is a general use digital platform Is all hardwired Was designed and built exclusively by Oticon Is shared across the industry

9.  Oticon Opn: Combines and shares information between directional and noise reduction components Can identify the location of clearly defined voices all around the user Can apply a different amount of reduction for speech versus non-speech signals All of the above

10.  OpenSound Navigator supports the Brain Hearing approach by: Eliminating the need for cognitive participation in speech understanding Making it easier for the brain to identify various speech sources Allowing the brain to do all the work in difficult listening situations All of the above