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In today’s fast-paced world filled with constant noise and distractions, finding a moment of peace and tranquility can be quite challenging. This is where active noise-canceling (ANC) headphones come into play. ANC technology has taken the audio industry by storm, revolutionizing the way we experience sound. But what exactly are ANC headphones, and are they worth purchasing? In this article, we will delve into the world of ANC headphones, exploring their features, benefits, and drawbacks, ultimately helping you decide if investing in them is the right choice for you. Whether you are a frequent traveler, a music enthusiast, or simply someone seeking solace from external disturbances, this guide aims to provide you with an informed view on whether ANC headphones make for a worthwhile purchase.
Headphones are indispensable devices for phone or laptop users. Currently, some brands have equipped ANC active noise cancellation technology on their headphones. So what are headphones with active noise cancellation technology ANC? Let’s find out with Tnhelearning.edu.vn!
Understanding noise cancellation technology on headphones
Why do headphones need noise cancellation?
In many cases of using headphones for entertainment or study, noise and background noise from the surrounding environment such as car horns, talking voices, construction site noises, etc. will enter your ears and disturb you. as well as reducing the quality of the sound emitted by the headphones.
To temporarily overcome this problem, manufacturers have released many types of noise-canceling headphones to help users feel better sound without being affected by noise.
What types of noise canceling are there?
Noise cancellation technology on headphones is divided into two types, including Active Noise Canceling (ANC) and Passive Noise Canceling (PNC) . In which ANC is a more modern and effective anti-noise technology than PNC.
What is ANC Active Noise Cancellation?
Concept
Active Noise Canceling (ANC) is a technology that creates an opposing signal to cancel noise, thereby blocking outside noise and helping users feel and enjoy the sound from the headset better.
History
Active Noise Canceling (ANC) is a modern technology developed by Bose audio company in the late 20th century.
However, in 1934 German inventor Paul Lueg patented the theory of noise cancellation using noise and generating static regions. By the 1950s , Harry Olsen was already using ANC technology in practice.
In 1986 , Dick Rutan and Jeana Yeager used ANC headphones from Bose to reduce the noise of planes and fly around the earth. Later, ANC headphones were widely used in military, civil aviation and life.
Mechanism of action
The electronics inside the headphones with active noise cancellation create a noise-cancelling wave that vibrates in stark contrast to the ambient noise recorded by the mic and cancels out unwanted sounds. want around you without reducing the main sound coming from the headphone driver.
Types of active noise canceling
Active noise cancellation with mic outside the headset
In the feed setting, the microphone is placed outside the headset, so the mic hears the noise and then the ANC processes and cancels the noise before sending the resulting signal to the headset speaker.
This noise cancellation technology can reduce high frequency noise, up to 1222 kHz , however they also cause small noise that they do not cancel on their own.
Active noise cancellation with mic inside the headset
With this type, the mic is placed inside the ear cup and in front of the speaker, so it will hear the noise exactly the same way the user hears it, so the mic will transmit the signal to the ANC for feedback and processing. most suitable noise management. However, it cannot handle high frequency noise well.
Hybrid active noise cancellation with external and internal mics of the headset
It can be said that this is the best way to reduce noise when a combination of placing the mic both inside and outside the headset. Therefore, they can cancel noise in both long and wide frequency ranges.
Which headphone segment is equipped?
Before 2019 , active noise cancellation technology, which was considered a high-end feature in the audio world, was only available in high-end and expensive headphones .
However, recently, many manufacturers have begun to bring this technology down to popular headset models that cost less than 100 USD (2 million VND).
That includes leading audio companies such as Sony or Anker with Sony MDR-ZX110NC earphones or Xiaomi with Mi ANC series for only 600,000 VND when returning to Vietnam.
The benefits of active noise cancellation
Active noise canceling headphones are really useful in today’s busy modern life. You can even use noise canceling headphones to relax , create a quiet space to read or work in public places, not just listen to music.
Distinguish active noise cancellation and passive noise cancellation
Passive noise cancellation is simply using In-Ear headphones or EarPad on headphones to partially block outside noise . The principle of operation is the same as when you cover your ears to avoid noise.
Active noise cancellation is an electronic system capable of self-identifying and canceling the sound source. Therefore, ANC is a more advanced and complex technology, headphones with this feature are more expensive than regular headphones.
Should I buy headphones with active noise cancellation?
In short, ANC headphones can create a quiet, private music space , helping listeners not be disturbed by noise from the outside environment and providing a comfortable experience for users.
So, if you work in a studio or in fairly quiet environments , you probably won’t need active noise cancellation. However, if your job requires you to travel frequently, or you reside or work next to a noisy environment , active noise-cancelling headphones will be a worthwhile companion.
Above is information about headphones with ANC active noise cancellation technology that Tnhelearning.edu.vn shares with you. If you have any questions, please leave a comment below the article.
In conclusion, ANC (Active Noise Canceling) headphones are a technological innovation designed to effectively reduce external noises and provide a more immersive audio experience. Through advanced algorithms and built-in microphones, ANC headphones create anti-noise signals that counteract ambient sounds, resulting in a quieter and more serene listening environment.
The decision to purchase ANC headphones ultimately depends on individual needs and preferences. If you frequently find yourself in noisy environments or are easily distracted by external sounds, ANC headphones can greatly enhance your auditory experience, allowing you to focus on the audio content without any disturbances. Whether you are a frequent traveler, a student studying in a bustling environment, or simply someone who values immersive audio, ANC headphones can significantly improve your listening pleasure.
However, it is important to note that ANC technology comes at a higher price point compared to regular headphones. The additional hardware and processing technology add to the overall cost of ANC headphones. Therefore, if budget is a significant concern, it may be worth considering alternative options that suit your financial constraints, such as noise-isolating headphones or earplugs.
Ultimately, if you value pristine audio quality, desire to eliminate external disruptions, and are willing to invest in a higher-end audio accessory, then ANC headphones are worth considering. The convenience and enjoyment they provide make them a worthy investment for those who seek a superior listening experience.
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