Saturday 9 April 2011

Microphone solution

As discussed in the previous post the b-format audio that accompanied the snowboard and motorbike video sequences was not of good enough quality to use due to the extraneous noise caused by the mic hitting off the side of the windshield.

To address this issue I needed to be able to pack down the mic in such a way that it would not pick up vibrations from the bike or board or have a detrimental effect on the mics ability to capture sound. The reason that microphones are mounted in shock mounts is to avoid bumps and thumps caused by knocks etc. So to pack the mic against the windshield, in theory, almost defeats the purpose. I had to experiment with some materials and settled for strips of foam that were left over from the construction of the rucksack recorder housing. I carried out some test recordings by jumping from stairs etc and found that this would be a suitable solution.

Here are some pictures that demonstrate the results:

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