{"video_id":"KHsXA_LE3e4","title":"Noise Cancellation As Fast As Possible","channel":"Techquickie","show":"Techquickie","published_at":"2016-05-06T14:58:16Z","duration_s":346,"segments":[{"start_s":0.36,"end_s":7.08,"text":"noise if you're at like a big time gaming convention a concert or a","speaker":null,"is_sponsor":0},{"start_s":4.839,"end_s":12.2,"text":"sporting event it might be part of the experience but the incessant sound of a","speaker":null,"is_sponsor":0},{"start_s":10.24,"end_s":16.76,"text":"jet engine when you're on a plane or that annoying coworker in the next","speaker":null,"is_sponsor":0},{"start_s":14.32,"end_s":22.039,"text":"cubicle who won't shut up about the missing stapler can drive you out of","speaker":null,"is_sponsor":0},{"start_s":19.199,"end_s":28.72,"text":"your mind so how do we control unwanted environmental noise without strapping","speaker":null,"is_sponsor":0},{"start_s":24.56,"end_s":30.96,"text":"pillows to our heads enter active noise","speaker":null,"is_sponsor":0},{"start_s":28.72,"end_s":35.52,"text":"control a technology for reducing irritating background noise that most","speaker":null,"is_sponsor":0},{"start_s":32.96,"end_s":40.039,"text":"often appears in the consumer Market as noise cancelling headphones so how do","speaker":null,"is_sponsor":0},{"start_s":37.96,"end_s":45.559,"text":"they work well surprisingly they actually block noise with um more noise","speaker":null,"is_sponsor":0},{"start_s":43.36,"end_s":50.12,"text":"wait what how the heck does that work lonus are you talking about white noise","speaker":null,"is_sponsor":0},{"start_s":47.6,"end_s":54.44,"text":"or something actually not exactly although it might intuitively seem like","speaker":null,"is_sponsor":0},{"start_s":52.559,"end_s":58.359,"text":"canceling out noise with other noise doesn't make any sense the technology","speaker":null,"is_sponsor":0},{"start_s":56.48,"end_s":62.48,"text":"relies on what's actually a pretty straightforward principle of physics","speaker":null,"is_sponsor":0},{"start_s":60.519,"end_s":67.28,"text":"even if you slept through your classes as you probably know regardless of what","speaker":null,"is_sponsor":0},{"start_s":65.119,"end_s":72.84,"text":"kind of student you were sound travels in waves and waves have Peaks and","speaker":null,"is_sponsor":0},{"start_s":70.2,"end_s":77.72,"text":"troughs or valleys like you'd see if you were hanging out at the beach if two","speaker":null,"is_sponsor":0},{"start_s":75.2,"end_s":82.799,"text":"waves combine they create a resulting wave that is basically the sum of the","speaker":null,"is_sponsor":0},{"start_s":79.759,"end_s":85.64,"text":"original two so if you have two waves","speaker":null,"is_sponsor":0},{"start_s":82.799,"end_s":91.159,"text":"that meet so that the peaks of one wave end up exactly with the peaks of another","speaker":null,"is_sponsor":0},{"start_s":88.28,"end_s":96.32,"text":"it'll actually dramatically increase the amplitude on the other hand if the Peaks","speaker":null,"is_sponsor":0},{"start_s":93.96,"end_s":101.799,"text":"line up exactly with the troughs of the other then we say they are out of faves","speaker":null,"is_sponsor":0},{"start_s":99.119,"end_s":106.0,"text":"and the waves can cancel each other out completely so noise cancelling","speaker":null,"is_sponsor":0},{"start_s":103.759,"end_s":111.56,"text":"headphones use this principle by listening to the background noise with a","speaker":null,"is_sponsor":0},{"start_s":108.52,"end_s":114.36,"text":"dedicated microphone or microphones and","speaker":null,"is_sponsor":0},{"start_s":111.56,"end_s":119.439,"text":"producing outof phase sound or anti-noise that literally destroys","speaker":null,"is_sponsor":0},{"start_s":117.28,"end_s":122.399,"text":"incoming soundwaves before they reach your ear","speaker":null,"is_sponsor":0},{"start_s":120.56,"end_s":126.159,"text":"combine this with special noise absorbing material built into the","speaker":null,"is_sponsor":0},{"start_s":124.0,"end_s":130.92,"text":"headphone cups in some models and you've got some pretty serious sound isolation","speaker":null,"is_sponsor":0},{"start_s":129.36,"end_s":136.0,"text":"so if you want to pick up a pair of noise cancelling cans to help you focus","speaker":null,"is_sponsor":0},{"start_s":133.44,"end_s":140.36,"text":"at work or just block out the screaming kid that lives above you what should you","speaker":null,"is_sponsor":0},{"start_s":138.36,"end_s":144.72,"text":"consider before forking over your cash to Bose or whoever else well one of the","speaker":null,"is_sponsor":0},{"start_s":143.16,"end_s":149.519,"text":"biggest concerns with this kind of headphone is battery life unlike regular","speaker":null,"is_sponsor":0},{"start_s":147.84,"end_s":154.08,"text":"headphones which usually just run off the power provided by your PC or","speaker":null,"is_sponsor":0},{"start_s":151.959,"end_s":158.519,"text":"smartphone or whatever else has a headphone jack headphones with active","speaker":null,"is_sponsor":0},{"start_s":156.48,"end_s":162.239,"text":"noise control need a separate power source usually a battery so pay","speaker":null,"is_sponsor":0},{"start_s":160.84,"end_s":167.48,"text":"attention for this when you're looking through reviews especially as some","speaker":null,"is_sponsor":0},{"start_s":164.4,"end_s":169.8,"text":"models won't mention at all how long it","speaker":null,"is_sponsor":0},{"start_s":167.48,"end_s":174.159,"text":"takes for the battery to die and whether you can continue to use them when","speaker":null,"is_sponsor":0},{"start_s":171.879,"end_s":177.84,"text":"they're not powered you should also consider how comfortable your new noise","speaker":null,"is_sponsor":0},{"start_s":176.0,"end_s":183.12,"text":"cancelling headphones will be because the extra electronics needed to mask","speaker":null,"is_sponsor":0},{"start_s":179.92,"end_s":185.68,"text":"outside sound does add extra weight and","speaker":null,"is_sponsor":0},{"start_s":183.12,"end_s":190.519,"text":"bulk and a poorly designed pair of heavy phones may not be comfortable for","speaker":null,"is_sponsor":0},{"start_s":187.84,"end_s":197.239,"text":"extended use and then finally for you audio files out there don't expect the","speaker":null,"is_sponsor":0},{"start_s":193.68,"end_s":199.2,"text":"same kind of expansive Sound Stage as","speaker":null,"is_sponsor":0},{"start_s":197.239,"end_s":203.879,"text":"you would have expected from an open-backed headphone as noise","speaker":null,"is_sponsor":0},{"start_s":201.12,"end_s":209.28,"text":"cancelling sets are closed to keep out as much Ambient sound as possible still","speaker":null,"is_sponsor":0},{"start_s":207.2,"end_s":213.92,"text":"though many headphones with active noise control do offer solid sound quality","speaker":null,"is_sponsor":0},{"start_s":212.48,"end_s":217.519,"text":"good thing too as noise cancelling headphones do tend to be more expensive","speaker":null,"is_sponsor":0},{"start_s":215.68,"end_s":221.0,"text":"than their passive counterparts so don't be completely put off with it even if","speaker":null,"is_sponsor":0},{"start_s":219.56,"end_s":226.0,"text":"it's not the kind of thing you would sit in your easy chair and listen to but","speaker":null,"is_sponsor":0},{"start_s":224.36,"end_s":229.799,"text":"then what if you don't want to have to wear headphones to block out distracting","speaker":null,"is_sponsor":0},{"start_s":227.799,"end_s":234.28,"text":"sounds a number of companies are actually now making speakers that","speaker":null,"is_sponsor":0},{"start_s":231.879,"end_s":239.439,"text":"feature the same active noise control system imagine that a speaker embedded","speaker":null,"is_sponsor":0},{"start_s":237.0,"end_s":244.48,"text":"in your car's headrest to drown out road noise we've even seen large scale noise","speaker":null,"is_sponsor":0},{"start_s":242.0,"end_s":249.48,"text":"cancellation deployed at the Eurovision song contest to drown out crowds booing","speaker":null,"is_sponsor":0},{"start_s":247.36,"end_s":253.72,"text":"performers based on what country they're from an interesting application for sure","speaker":null,"is_sponsor":0},{"start_s":251.799,"end_s":258.479,"text":"but I wouldn't expect to see it at your local football stadium anytime soon","speaker":null,"is_sponsor":0},{"start_s":257.0,"end_s":262.88,"text":"speaking of things you won't find at a stadium anytime soon not that you would","speaker":null,"is_sponsor":0},{"start_s":260.6,"end_s":267.56,"text":"expect to find an online learning program at a stadium linda.com where you","speaker":null,"is_sponsor":0},{"start_s":265.72,"end_s":270.24,"text":"can watch and learn from Top experts who are passionate about teaching they've","speaker":null,"is_sponsor":0},{"start_s":269.52,"end_s":275.6,"text":"got thousands of video courses that you can","speaker":null,"is_sponsor":0},{"start_s":272.6,"end_s":277.4,"text":"stream on demand or download and watch","speaker":null,"is_sponsor":0},{"start_s":275.6,"end_s":280.96,"text":"later at your own pace on your mobile device when you're on the bus or","speaker":null,"is_sponsor":0},{"start_s":278.759,"end_s":285.68,"text":"wherever the case may be you can browse the course transcripts to follow along","speaker":null,"is_sponsor":0},{"start_s":283.4,"end_s":289.68,"text":"or you know review parts that you maybe didn't quite understand and you can","speaker":null,"is_sponsor":0},{"start_s":287.6,"end_s":294.4,"text":"create playlists to share with your friends and learn alongside each other","speaker":null,"is_sponsor":0},{"start_s":292.08,"end_s":298.52,"text":"and support each other as you develop your hobby or even your career or","speaker":null,"is_sponsor":0},{"start_s":297.28,"end_s":302.44,"text":"whatever it is you want to learn on linda.com they've got all kinds of great","speaker":null,"is_sponsor":0},{"start_s":300.44,"end_s":307.56,"text":"stuff whether it's photo editing video editing uh office productivity software","speaker":null,"is_sponsor":0},{"start_s":305.28,"end_s":311.0,"text":"business so check it out your linda.com membership will give you unlimited","speaker":null,"is_sponsor":0},{"start_s":309.0,"end_s":316.88,"text":"access to training on hundreds of topics all for a flat rate starting at just 25","speaker":null,"is_sponsor":0},{"start_s":313.56,"end_s":320.0,"text":"bucks a month so check it out you get 10","speaker":null,"is_sponsor":0},{"start_s":316.88,"end_s":322.639,"text":"days for free over at linda.com tequi","speaker":null,"is_sponsor":0},{"start_s":320.0,"end_s":326.039,"text":"and sign up now to find out if linda.com is right for you so thanks for watching","speaker":null,"is_sponsor":0},{"start_s":324.56,"end_s":329.96,"text":"guys if you like this video like it if you disliked it well I guess dislike it","speaker":null,"is_sponsor":0},{"start_s":328.16,"end_s":335.68,"text":"if you're into that sort of thing also if you're looking for something else to watch check out our other channels over","speaker":null,"is_sponsor":0},{"start_s":332.96,"end_s":340.319,"text":"on Channel Super Fun we've got a train going by well whatever leave a comment","speaker":null,"is_sponsor":0},{"start_s":338.8,"end_s":343.8,"text":"under the video if you got video suggestions for future fastest posses","speaker":null,"is_sponsor":0},{"start_s":342.199,"end_s":347.72,"text":"and as always don't forget to subscribe and follow and all that good stuff","speaker":null,"is_sponsor":0}],"full_text":"noise if you're at like a big time gaming convention a concert or a sporting event it might be part of the experience but the incessant sound of a jet engine when you're on a plane or that annoying coworker in the next cubicle who won't shut up about the missing stapler can drive you out of your mind so how do we control unwanted environmental noise without strapping pillows to our heads enter active noise control a technology for reducing irritating background noise that most often appears in the consumer Market as noise cancelling headphones so how do they work well surprisingly they actually block noise with um more noise wait what how the heck does that work lonus are you talking about white noise or something actually not exactly although it might intuitively seem like canceling out noise with other noise doesn't make any sense the technology relies on what's actually a pretty straightforward principle of physics even if you slept through your classes as you probably know regardless of what kind of student you were sound travels in waves and waves have Peaks and troughs or valleys like you'd see if you were hanging out at the beach if two waves combine they create a resulting wave that is basically the sum of the original two so if you have two waves that meet so that the peaks of one wave end up exactly with the peaks of another it'll actually dramatically increase the amplitude on the other hand if the Peaks line up exactly with the troughs of the other then we say they are out of faves and the waves can cancel each other out completely so noise cancelling headphones use this principle by listening to the background noise with a dedicated microphone or microphones and producing outof phase sound or anti-noise that literally destroys incoming soundwaves before they reach your ear combine this with special noise absorbing material built into the headphone cups in some models and you've got some pretty serious sound isolation so if you want to pick up a pair of noise cancelling cans to help you focus at work or just block out the screaming kid that lives above you what should you consider before forking over your cash to Bose or whoever else well one of the biggest concerns with this kind of headphone is battery life unlike regular headphones which usually just run off the power provided by your PC or smartphone or whatever else has a headphone jack headphones with active noise control need a separate power source usually a battery so pay attention for this when you're looking through reviews especially as some models won't mention at all how long it takes for the battery to die and whether you can continue to use them when they're not powered you should also consider how comfortable your new noise cancelling headphones will be because the extra electronics needed to mask outside sound does add extra weight and bulk and a poorly designed pair of heavy phones may not be comfortable for extended use and then finally for you audio files out there don't expect the same kind of expansive Sound Stage as you would have expected from an open-backed headphone as noise cancelling sets are closed to keep out as much Ambient sound as possible still though many headphones with active noise control do offer solid sound quality good thing too as noise cancelling headphones do tend to be more expensive than their passive counterparts so don't be completely put off with it even if it's not the kind of thing you would sit in your easy chair and listen to but then what if you don't want to have to wear headphones to block out distracting sounds a number of companies are actually now making speakers that feature the same active noise control system imagine that a speaker embedded in your car's headrest to drown out road noise we've even seen large scale noise cancellation deployed at the Eurovision song contest to drown out crowds booing performers based on what country they're from an interesting application for sure but I wouldn't expect to see it at your local football stadium anytime soon speaking of things you won't find at a stadium anytime soon not that you would expect to find an online learning program at a stadium linda.com where you can watch and learn from Top experts who are passionate about teaching they've got thousands of video courses that you can stream on demand or download and watch later at your own pace on your mobile device when you're on the bus or wherever the case may be you can browse the course transcripts to follow along or you know review parts that you maybe didn't quite understand and you can create playlists to share with your friends and learn alongside each other and support each other as you develop your hobby or even your career or whatever it is you want to learn on linda.com they've got all kinds of great stuff whether it's photo editing video editing uh office productivity software business so check it out your linda.com membership will give you unlimited access to training on hundreds of topics all for a flat rate starting at just 25 bucks a month so check it out you get 10 days for free over at linda.com tequi and sign up now to find out if linda.com is right for you so thanks for watching guys if you like this video like it if you disliked it well I guess dislike it if you're into that sort of thing also if you're looking for something else to watch check out our other channels over on Channel Super Fun we've got a train going by well whatever leave a comment under the video if you got video suggestions for future fastest posses and as always don't forget to subscribe and follow and all that good stuff"}