Microphone arrays have less favorable physical limits than optical or microphone arrays because of longer wavelength. Sound physics is different from the familiar Rayleigh limit, but the overall limits have a similar shape. 440Hz sound is about 10 times longer than 5GHz radio.
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The same issue makes rejecting local noise harder (lots of motion). Not impossible, though, and I expect we'll see progress there, but it's not as clean a problem as the optical version.
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My best conjecture: image sensors are CMOS devices, scaling along with other microelectronics, whereas microphones are usually not silicon-based microelectronics, but transducers changing varying air pressure into voltage or current... kind of analog vs digital, if you will.
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I shoot some nice vids on the seafront in Clontarf, they look great on a 4K 60 inch tv. But I always have to play them on mute, as the rushing sound of wind is just annoying
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Ask Alexa.
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I have been wondering the same thing, especially given that you can “hear” the sound quality. I am no musician, but I can tell when someone is using a good microphone. It is obvious.
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I still use an external mic when I record from my iPhone when I can.
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In Nokia phones from eight years ago or something.
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I bought and benchmarked “conference microphone” - it turns out the MacBookPro microphone array has lower noise and better sensitivity to vocals!
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I guess there isn’t instaaudio yet
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