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) always make these tests outside!

Subject: ) always make these tests outside!
/Jon


At 16:27 2014-08-12, you wrote:


>Jon,Indeed I did get it from Richard and Julia at Augur. I'd figured
>out those recommendations for myself, but I'm looking forward to
>seeing the new user guides.One thing that's still puzzling me is:
>how do you tell that the microphone is at the focal point? Is there
>conclusive proof that the sound is "correct" for that particular
>dish and mike combination - does the sound pop into focus like a
>lens?For the moment I've set it by using a tape measure to record
>the outside length of the zeppelin (14.8cm), and then pushing the
>mike through until it sits at about 12cm. I noticed when trying the
>dish out for the first time that the sound of aircraft was being
>picked up no matter which direction the mike was pointed and yet the
>positioning for a grasshopper had to be very accurate and probably
>best done with a tripod. All of which I understand is what a
>parabolic reflector gives you - low frequency is omni-directional,
>and high frequency is super-cardioid. A low cut filter in Apple
>Soundtrack did the trick with the bass.ThanksNick
>
>

Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email: 
website: www.telinga.com









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