Earbuds: What is the difference between ANC and ENC, and which feature is better for music and calling?

What are ANC and ENC Earbuds? When buying wireless earbuds, you have likely come across features like ANC and ENC. Many companies include one or both of these technologies in their earbuds. While the names sound similar, their functions are quite different. So, which feature should you prioritize when purchasing earbuds? Let’s find out.

What is ANC and how does it work?
ANC, or Active Noise Cancellation, is designed to reduce the external noise that reaches the person wearing the earbuds. Microphones built into the earbuds detect surrounding sounds, and an internal processor then generates an opposing sound wave—known as "anti-noise."

When these two sound waves meet, the impact of the external noise is reduced. This ensures that the user is less disturbed by ambient noise while listening to music or watching videos.

ANC is particularly effective at blocking out consistent, low-level background noise—such as the hum of an airplane engine, an air conditioner, or a fan. However, it cannot completely block out sudden, sharp sounds, like a vehicle horn, children shouting, or someone speaking loudly. ANC is an excellent feature for travelers and those who prefer to listen to music in a quiet environment.

What is ENC and how does it work?
ENC, or Environmental Noise Cancellation, is designed to ensure that your voice is transmitted clearly to the person on the other end of a call. While ANC enhances your personal listening experience, ENC focuses on reducing the ambient noise picked up by the microphone.

For instance, if you are on a phone call while on a busy street, ENC helps suppress background sounds like traffic or the chatter of people, allowing the person on the other end to hear you more clearly.

Which is better for you—ANC or ENC?

That depends entirely on your specific needs. If you frequently travel by flight, train, or bus and want to listen to music in peace, then earbuds with ANC (Active Noise Cancellation) would be a better choice.

On the other hand, if you spend a lot of time on phone calls—whether for office work, online meetings, or while you are out and about—then ENC (Environmental Noise Cancellation) will be more useful for you.

If your budget allows, it would be best to choose earbuds that feature both ANC and ENC. This will provide a superior experience for both listening to music and making calls.

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