How Google built its AI-powered Hum to search feature

In October, Google announced it would let users search for songs by simply humming or whistling melodies, initially in English on iOS and in more than 20 languages on Android. At the time, the search giant only hinted at how the new Hum to Search feature worked. But in a blog post today, Google detailed the underlying systems that enable Google Search to find songs using only hummed renditions.

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Google’s SoundFilter AI separates any sound or voice from mixed-audio recordings

Researchers at Google claim to have developed a machine learning model that can separate a sound source from noisy, single-channel audio based on only a short sample of the target source. In a paper, they say their SoundFilter system can be tuned to filter arbitrary sound sources, even those it hasn’t seen during training.
The researchers believe a noise-eliminating system like SoundFilter…

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