ANC stands for ‘Active Noise Cancellation’ and it is a technology used in earphones/headphones to actively reduce background noise. This provides a better audio experience for the listener as they can focus more on the music without it competing with background noise. ANC earphones also allow the listener to listen to music at lower volumes because they don’t have to increase the volume so much in order to block out background noises.
Before we go into detail about how it works, let us start by understanding the audio frequencies we can hear.
On average most humans can hear audio frequencies ranging from 20Hz to 20Khz.
In order to reduce lower frequencies your earphones need ‘active noise cancellation’ technology or ‘ANC’ for short. ANC earphones/headphones are able to reduce lower frequencies by around 20-40db which makes a noticeable difference, especially when combined with the passive noise cancellation of the earphones themselves.
ANC works by using microphones to pick up low-frequency noise and then by neutralisingthat noise before it reaches the ear. The headset generates a sound that’s phase-inverted by 180 degrees to the unwanted noise, resulting in the two sounds cancelling each other out.
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Our Hezire H-Budz ANC features Active Noise Cancellation with up to 25 dB of noise reduction for a more immersive listening experience. As an added benefit, we also include ‘transparency’ mode which does the opposite of ANC by allowing background noise to enter the earphone more freely. This is especially useful if you are using your earbuds in urban environments where you need to be aware of traffic and other hazards. You can conveniently switch between regular (no ANC/transparency) mode, ANC mode and Transparency mode simply by pressing and holding the touch control located on the earbud.
To learn more about H-Budz ANC please click on the following product page link:
The microphones in ANC are doing all the hard work—I had no idea!Thanks for the info.
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“I didn’t realize ANC might not be as effective for sudden, sharp noises. Good to know!
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I’ve always used ANC but never knew the exact process behind it. Awesome breakdown!
Fantastic write-up! This is exactly the kind of explanation I was looking for.
Good read! Loved how you simplified the science behind ANC. Really well done!
Amazing explanation! I had no idea how ANC worked, but now I feel like an expert. Thanks for sharing!
Thanks for sharing the info.
Wow, this was such an informative read! I finally understand how ANC works. Thanks for explaining it so well!
I think ANC works by creating sound waves that cancel out external noise, right?
It’s cool how microphones in ANC headphones detect and counteract noise. Love it!
ANC is such a useful feature for focusing in busy places!Thanks for the info!
I recently tried ANC headphones, and the difference is incredible!
Doesn’t ANC work by analyzing external sounds and generating opposing sound waves?
I love how ANC makes listening to music so immersive and clear. Thanks for the information.
It’s amazing how ANC uses microphones to block out unwanted sounds.