Sennheiser Ambeo VR Microphone
The Sennheiser AMBEO® VR Mic is an ambisonic microphone fitted with four matched KE 14 capsules in a tetrahedral arrangement. This special design allows you to capture the sound that surrounds you from a single point. As a result you get fully spherical ambisonics sound to match your VR video/spherical 360 content.
The output of the Sennheiser AMBEO VR Mic is in Ambisonics A-format which is the raw 4-channel output from the capsules that has to be converted into Ambisonics B-format. This is done by the Sennheiser AMBEO A-B format converter plugin, which is available as a free download in VST, AU and AAX format so you can use it in any PC or MAC based DAW. Here are links to the plugin:-
Download Mac version
Download Windows version
B-format is a W, X, Y, Z representation of the sound field around the microphone. W being the sum of all 4 capsules, whereas X, Y and Z are three virtual bi-directional microphone patterns representing front/back, left/right and up/down. So directional information can be reproduced.
The Ambeo is supplied with a foam windshield, a Rycote INV-7 shock mount, a 4 channel output splitter cable and a 1.5m extension cable. The foam is OK for indoor use but outdoors you’re going to need a bit more wind protection so we’ve put together this specially priced bundle of an Ambeo with a Rycote Baby Ball Gag and Windjammer.
Ambeo/Rycote BBG bundle
Dimensions 215 x 49/25 mm
Frequency response 20 Hz to 20 kHz
Max. sound pressure level 130 dB(A) for 1 kHz
Transducer principle Pre-polarized condenser microphone
Weight 400 g
Microphone connector DIN12M
Pick-up pattern 4x cardioid, in A-format arrangement
Nominal impedance Approx. 200 Ω
Min. terminating impedance 1000 Ω
Operating temperature -10 °C to 55 °C (14 °F to 131 °F)
Equivalent noise level 18 dB-A as per IEC 61672-1
Power supply 4x P48 @ 7 mA each
Sensitivity 31 mV/Pa (-30 dBV)
Operating relative humidity Max 90% at 40 °C
Matrix reference Center of the capsule holder
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