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#1 |
XO
![]() Join Date: Nov 2007
Location: Canada
Posts: 424
Downloads: 45
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hi, it doesn't happen to me every day, too! Probably it takes place only in some circumstances.
I tried Narvik II mission, letting me pinging by DDs. The water is pretty shallow there and sometime I was able to hear it.. Edit: OK! I was able to record it! now you can hear it in the link below, it's the second ping. I was in NarvikII mission, at 20 meters of depth under keel, and a DD had already started pinging me, the record starts just after getting the detection notice in events menů. http://www.filefront.com/14797567/weird%20sonar.wma So, I think it happens when a DD discovers you by its asdic, and it could be the echo. Last edited by Sag75; 10-26-09 at 12:52 AM. |
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#2 | |
Chief of the Boat
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My guess is it could well be a sound file interfering with the sound file of another DD when both ping at the same time. Sorry but that's the best I can suggest. |
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#3 |
XO
![]() Join Date: Nov 2007
Location: Canada
Posts: 424
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thanks, I remember I heard only one time the acute sound only, when I was outside the sub in the external view.
This is weird too, normally I can't hear any ping from that view! I'll make more observations. Last edited by Sag75; 10-26-09 at 11:03 PM. |
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#4 |
Watch Officer
![]() Join Date: Jan 2007
Posts: 339
Downloads: 76
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I wish you could hear the ping when in external view. It just seems to make sense that you would.
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#5 |
XO
![]() Join Date: Nov 2007
Location: Canada
Posts: 424
Downloads: 45
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Hi, yes, but normally when you are into the sub and a DD is pinging, you hear the ping. When you jump outside you can't no more hear that.. but if you return inside, you can hear the ping again. What I heard outside, that surprised me, was only the acute ping (the second you can hear in the file above) and not the normal one.
So, for what modelled reason I can hear ONLY the acute tone outside the sub?? Last edited by Sag75; 10-26-09 at 11:13 PM. |
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#6 |
XO
![]() Join Date: Nov 2007
Location: Canada
Posts: 424
Downloads: 45
Uploads: 0
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Here some news. I'm sure about this things:
1. the acute tone occours when a DD is pinging and you get the detection message in events menů and from your crew. 2. when you have the detection message, you may expect this particular ping within some normal pings that follow the detection alert. After several normal pings, it's not heard any more. You need an other detection message to have it back. 3. it seems indipendent by sea floor level (last time it was over 1000) and depth (I was at 140) and sub side to DD. 4. the number of DDs doesn't seem relevant. 5. on the contrary of the normal ping, this higher tonality ping (and only it) is also heard outside the sub in external view! that's all, for now! |
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#7 |
Watch Officer
![]() Join Date: Jan 2007
Posts: 339
Downloads: 76
Uploads: 4
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data\Sounds\sonar_coat.wav sounds very much like your second ping.
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