The problem with the internet, as we all know, is that it gives free rein to loonies. Once upon a time, green inkers would rant away on writing paper, seal their 30-page global conspiracy theory into a recycled envelope and post it to a newspaper, which would drop it harmlessly into a wastepaper basket. Now they infiltrate chat rooms, scrawl anonymous abuse in web discussions and even have their own video blogs.
Sometimes this is entertaining; sometimes it can be offensive. So Microsoft has just been awarded a patent for technology designed to automatically detect and remove “undesired words or phrases” from all manner of digital communications, ranging from YouTube broadcasts to internet chat and songs.
The patent describes a system that listens out for phonemes (word fragments) likely to be part of a swearword. If it thinks it hears a forbidden phrase, the software either fades out the offending syllables or simply replaces the rude word with a similar-sounding but clean alternative lifted from earlier speech without a second’s delay.
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