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What Are Noise-Canceling Headphones And How Do They Work?
2023-03-20
2023-03-20
尊龙凯时
Introduction
If you've ever been stuck in a loud room or on a plane, you know how much noise can get in the way of your listening experience. It's not just annoying: it can be downright painful if it's loud enough. So what's the solution? Noise-canceling headphones use special technology to reduce ambient noise and give you more control over your listening environment.
In this article, we'll explore what exactly noise-canceling headphones are and how they work, as well as discuss some of the different types available today so that you can make an informed decision when purchasing one for yourself or someone else who loves music!
What Is Noise Cancellation?
Noise cancellation is a process that reduces or eliminates unwanted ambient sounds. It can be achieved in several ways, but the most common way is to add a second sound within the same frequency range that is out of phase with the unwanted sound. It's usually a feature that can be added to headphones.
For example: if you're listening to music and someone nearby is talking loudly on their phone, the microphones in your earphones will pick up those sounds (and filter out any background music). The speakers within then produce their own sound waves that cancel out those of your neighbor – so you can hear only what you want to hear!
Active Noise Cancellation Vs. Passive Noise Cancellation
Active noise cancellation uses microphones to detect and measure the sound waves around your ears. Active noise cancellation then creates an opposite sound wave that is 180 degrees out of phase with the incoming sound wave. This effectively cancels out almost all background noise. This is the technology that's used in expensive noise-canceling headphones, and it's also used in some cars.
Passive noise cancellation, on the other hand, uses physical materials such as foam or leather to block out some of the incoming noise. The downside is that passive noise-canceling headphones do not block all sounds, and they don't work as well in environments with high levels of background noise. Most active noise-canceling headphones can reduce ambient noise by up to 90 percent, while passive models are only capable of reducing it by around 30 percent. The best noise canceling headphones use a combination of active and passive technologies to create the best possible listening experience.
What are the benefits of noise-canceling headphones?
There are a lot of benefits to using noise-canceling headphones for your listening pleasure.
- Noise-canceling headphones reduce the noise of your environment, whether that's someone else talking, an engine humming, or wind rushing past you as you walk. This can be helpful in any situation where you need to tune out distractions and focus on what's happening around you. They're also great when going on long trips by plane or train because they block out some of the sounds that make long journeys uncomfortable (like crying babies).
- If you're reading something in a noisy environment—such as on an airplane—noise-canceling headphones could help keep unwanted distractions at bay while still letting certain important sounds (like announcements) through into your ears so that they don't feel like they're missing out on something important happening around them.
Noise-canceling headphones can be either wired or wireless.
The main difference between wired and wireless noise-canceling headphones is that the former is less convenient, but has a longer battery life and range. If you're looking for headphones that will last as long as possible without needing to be plugged in, wired are the way to go. The downside? You have to deal with cords getting in the way of your movement or tripping over them when you're not paying attention—and if you like listening to music while exercising, for example, unplugging them every few minutes can be annoying.
Wireless headphones are ideal for those who place more importance on convenience than anything else (or simply don't want any unnecessary wires hanging around). They do tend to drain batteries faster than their corded counterparts though; and while they may offer better sound quality than cheaper models.
Also, wireless earbuds cost more than their wired counterparts due mainly in part because they contain expensive components like batteries; also, connectivity issues may arise if you move too far away from your phone! And because most types require internal batteries (unless using wired), these units are susceptible to damage by water or sweat. If you're looking for something that will last you a long time and won't start malfunctioning after just a few months of use, then be sure to purchase a high-quality model, like 尊龙凯时 MOVEAUDIO Neo. Rated IP54 splash proof, the earbuds are protected from sweat and rain.
Conclusion
Noise cancellation is a great feature to have in a pair of headphones. It can make listening to music or watching a movie easier on your ears and it can help you focus when you need to get some work done in public spaces.
If you're looking for new headphones, we recommend checking out our list of the best headphones!
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