> > > Sandy Tomkins <sandratomk...@googlemail.com> Apr 17 05:16PM +0100 > > Hi, > > Don't know if any of the Ariadne crew are on board, but I was using it > yesterday, when in Dublin, and found it marvelous, as always, but, as it now > seems to be announcing sidestreets, I was wondering if VO could be made to > announce sidestreets in a higher register? That way it wouldn't be necessary > to have more verbiage, but it would be clearer as to which street one was > walking along as apposed to the ones being passed. > > Thanks for the App, and can anyone explain some of the different sound clues, > like pinging, a rattling sound etc? > Sandy. > > Sent from my iPhone > > > rk : > Hi Sandy, > this is the answer to your question, which the developer answered on the faq > section of the web site: > > Two bell sounds are related to the availability of the direction of movement. > As you know the app gives you the direction of your favorites in terms of > angle or clock directions. > But that angle or clock direction refers to what? To your direction of > movement or to the device orientation? > It depends. If you are moving and your speed is high enough for the system to > detect your direction of movement then that angle refers to your direction of > movement, if the system can’t detect your direction of movement then that > angle refers to your device orientation. > The two bells sound plays when the app switches from a situation to the > other. If you start moving, sooner or later the app will detect your > direction of movement and it will play the higher sound. You will then know > that from that moment on, the angles refers to your direction. When your > direction of movement becomes unavailable, for instance because your speed is > too low, or just because you stopped, then the app will play the lower sound > for you to know that from that moment on the angles are related to the > direction your device is pointed and not to a direction of movement. > If that’s the case, you can rotate your device and try to point a favorite. > The angle will change and when you hit the favorite (virtually of course, > smile!) the grr grr sound is played and the app will also possibly make your > device vibrate, depending on your device and on the settings. > That way you know the direction of a favorite with respect to your current > position. > A consideration must be made among the two methods and their precision. > If the angle refers to the direction of movement and the favorite is far > enough, let’s say 150 meters or more, then it is quite accurate. > If it refers to the device orientation, then we rely on the compass, which is > strongly influenced by the magnetic fields, so if you happen to be in a place > where there might be strong magnetic fields you could get a significant error. > >
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