Has anyone else noticed that when a man and a woman are sharing a webcam on a video call, that the noise-filtering algorithms often filter out the woman's voice and pick the man's as the frequencies to highlight because... METAPHOR.
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...is because our ears are really good at using spatial release from masking. We localise signals and noise and hone on the areas where the signals come from. We can't do this when listening to a mono feed from an omnidirectional microphone. Because physics & psychoacoustics.
That's all fine and well, but if the algorithms bias for men and against women, that's a bug that needs fixing and suggests biased testing. We're not talking about corner cases where there is a lot of higher frequency noise that would overlap more with female voices here.
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Not necessarily. I can't speak for the engineering side, but in psychoacoustics there's a big effort to account for sex in experiments to prevent bias...
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...It's might not be that the algorithm is biased against women, but that higher voices (women and children) are more similar to the noises in homes/offices that are being filtered out. Sure it sucks (and could be improved), but I wouldn't assume a testing bias is the cause.
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