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8 --> Wind Noise Reduction
What it Does Attempts to eliminate the problem of wind noise from the built-in condenser microphones by cutting out the low frequencies in which said wind noise tends to occur
Recommended Setting Off, unless you’re outdoors on a windy day
Professional audio engineers always use expensive microphones with “wind screens” attached (usually a wire mesh or a fur-like cover over the actual sound sensor) which not only filters out wind noise, but also covers for ill-trained actors who always “pop” their P’s when speaking.
Unfortunately such microphones are bulky, expensive, and not nearly as universally useful as the condenser microphones (which can pick up sounds from much further away, are tiny, light weight, and inexpensive). And that’s why your camera uses condenser mics.
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Figure 6-93: This is the audio range in which wind noise typically appears. Cut that out and you’ll cut out the wind noise, too. |
And just as there are two ways to get rid of red-eye (the right way by increasing the distance between the lens and flash, and the other way by fooling the eye into thinking it’s bright outside), there are also two ways to cut out wind noise: the expensive way as outlined above, and the software way by cutting out ALL of the low frequencies in which the wind noise tends to reside (Figure 6-93). (Of course, this means you’re cutting out the low frequencies in the rest of your audio track too. You might not notice it unless you’re recording rock concerts or something.)
