There is talk that Apple may be working on its own noise-cancelling earbuds.
According to a patent, which was filed by Apple in February, the new earbuds will measure the ambient noise coming into the headphones using a small microphone and adjust based on the reading provided. This will ensure the earphones deliver the best sound quality possible. Also detailed in the patent application was a system that would alert users through a push-notification when the headphones have a poor seal.
Read more about it here.
Image by kurafire.