Headphones with active noise reduction are a great invention. It allows us to focus on the music world we like in a noisy environment. But sometimes it will bring some danger, for example, if the headphones filter out the important sounds around, such as someone calling your name, siren or car horn, then it is not safe. And now a new Amazon patent can help us avoid these potential dangers.
At present, the new patent of this online retail giant can activate the noise reduction function at the same time as the headset, when it encounters a specific frequency of sound or specified keywords and phrases, it will turn off the noise reduction function, so that more useful information can be reached In the ears of the wearer.
It is reported that the earphones in the patent can collect the surrounding sound through the built-in microphone, similar to Amazon Alexa's voice feedback system, which can receive the surrounding environmental sound effects and then react immediately. The inventor of this patent is Benjamin Scott, who previously worked on the Alexa team for more than 3 years.
This system can recognize the wearer's name or special phrases through a special algorithm, and can also unmask the warning sounds such as car whistle when crossing the road.
Although it is still unknown when this patent of Amazon will be applied to actual products, if this function is really used in noise reduction headphones, it can undoubtedly improve the safety factor of the wearer and is very useful. Of patented inventions.
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