{"type":"rich","title":"How Noise Cancelling Headphones Work \u2013 AIR039","version":"1.0","provider_name":"Blubrry","provider_url":"https://blubrry.com","author_name":"AFF on AIR Podcast","html":"<iframe src=\"https://player.blubrry.com/?media_url=https%3A%2F%2Fmedia.blubrry.com%2Faff_on_air%2Fcontent.blubrry.com%2Faff_on_air%2FAFF-Episode-39.mp3\" title=\"Blubrry Podcast Player\" scrolling=\"no\" width=\"100%\" height=\"230\" frameborder=\"0\"></iframe>","height":"230","description":"\u00a0 - For frequent flyers, noise-cancelling headphones are the ultimate travelling companion. But have you ever wondered how they actually work to cancel out noise? - In this episode, aerospace engineer Hossein Seif Zadeh (a.k.a.","thumbnail_url":"https://www.australianfrequentflyer.com.au/wp-content/uploads/powerpress/AFF_on_Air_2__1400x1400.jpg"}