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In this fast-paced and noisy world, finding solace and focusing on tasks can be quite challenging. Thankfully, technology has introduced a remarkable solution – ANC (Active Noise Canceling) headphones. These innovative headphones, equipped with advanced noise-canceling technology, promise to transform your listening experience by blocking out surrounding noise and immersing you in crystal-clear audio. With their rising popularity, you might be wondering whether investing in ANC headphones is worth it. In this article, we will explore what ANC Active Noise Canceling headphones are, how they work, and help you make an informed decision on whether they are the right choice for you.
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 Thptlaihoa.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 Thptlaihoa.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 remarkable piece of technology that effectively eliminates unwanted external noise and provides an immersive audio experience. They achieve this by utilizing microphones and advanced algorithms to neutralize incoming sounds, allowing the listener to enjoy their music, movies, or calls without interruptions from the environment.
The decision of whether to buy ANC headphones ultimately depends on your individual needs and preferences. If you frequently find yourself in noisy environments such as airplanes, trains, or bustling city streets, ANC headphones can offer an escape and enhance your audio experience. Additionally, if you value concentration during work or study sessions, ANC headphones can provide a quieter atmosphere for increased productivity.
However, it is important to consider factors such as budget, sound quality, and comfort when contemplating a purchase. ANC headphones tend to be pricier than their regular counterparts, and while they provide an unparalleled noise-canceling capability, the sound quality may vary among different models. Furthermore, comfort is subjective, and it is crucial to choose headphones that fit well and can be worn for extended periods without discomfort.
Ultimately, for those who value noise isolation and a high-quality audio experience, ANC headphones are undoubtedly worth considering. They offer an escape from external distractions and can greatly enhance your enjoyment of media or boost productivity in noisy environments. However, it is essential to do thorough research and read reviews to find the best ANC headphones that meet your specific needs and provide the right balance between price, sound quality, and comfort.
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