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It has been a long time since the presentation of the first headphones with active noise cancellation, since in 1989 Bose put the first headphones for pilots on sale. More recently, in the last 10 years, we have seen an explosion of headphones with this technology, but especially among the more expensive devices.
For about 4 or 5 years we have seen the real explosion of cheap active noise canceling headphones. One of the best revolutions in audio available to everyone, but it was not until the AirPods 4 when we see active noise cancellation in “cheap” headphones.
The reality is that we were able to have this type of headphones, without silicone pads and with a cancellation system, a long time ago, the problem was that the lack of a passive seal made it very difficult for the algorithms that listen to outside noise to send a contrary wave to your ears.
Apple has managed to do everything we wanted from earpad-less noise canceling headphonessomething that millions of people wanted because for many those pads were impossible to use due to their size or simply because their ear shape is not compatible.
The future of active noise cancellation
Computer Today
If it is possible to add a good active noise cancellation system to headphones like the AirPods 4… Will it be possible to integrate it into other headphones where we normally do not see them? For example in open design headphones, such as Nothing Ear (Open).
In reality, the noise cancellation system can go as far as it can go when it does not have the help of a passive system, such as silicone pads on in-ears or large ear pads on headphones. over-earas in the Sonos Ace. Where it seems to evolve the most is in the traditional two-form mode.
On the one hand, noise cancellation will become almost complete thanks to an improvement in algorithms that will be faster and capable of capturing sounds that they cannot now, such as very high-pitched and short noises.
On the other hand, we should expect more evolution in the modes of adaptive noise cancellation. These modes allow you to listen to your music and at the same time hear what is happening around you depending on the situation. These systems today work “just like that”, sometimes well, sometimes poorly.
For example, you are listening to music with noise cancellation and when someone speaks to you this system deactivates and listens to your surroundings. But what if those algorithms focus on the voice of that person who is speaking to you, eliminating the rest even if they are equally close?
These algorithms that make up what we know with active noise cancellation are more advanced than we think and with the help of artificial intelligence They will improve much more, being more intelligent.
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