ANC vs ENC

Active Noise Cancellation (ANC) and Environmental Noise Cancellation (ENC) are two common technologies found in modern headphones, earbuds, and headsets. Although both are designed to reduce unwanted noise, they work differently and are mainly intended for different situations. ANC is primarily focused on reducing surrounding sounds that the listener hears, while ENC is commonly used to improve voice clarity during calls by reducing environmental noise picked up by microphones.

Choosing between ANC and ENC depends on how you use your audio device. If your main priority is listening to music or watching videos in noisy surroundings, ANC can be more useful. If clear voice calls are more important, ENC can be valuable. Some modern earbuds and headphones use both technologies to improve the overall experience.

Quick Comparison Table

What Is ANC?

ANC stands for Active Noise Cancellation. It uses microphones to detect surrounding sounds and electronic processing to generate an opposing signal that reduces certain unwanted noises before they become as noticeable to the listener.

ANC is particularly useful for relatively continuous sounds such as airplane engines, air conditioners, fans, and traffic noise. Its effectiveness can vary depending on the device, fit, ear-tip seal, and type of noise.

Where Is ANC Useful?

ANC can be useful when you:

• Travel by airplane or train
• Work in a noisy environment
• Study in places with background noise
• Listen to music in busy surroundings
• Want a quieter listening experience

What Is ENC?

ENC stands for Environmental Noise Cancellation. In many earbuds and headsets, ENC is designed mainly to improve the quality of your voice during calls.

The microphones capture your voice along with surrounding sounds. Signal processing helps distinguish your voice from environmental noise so that the person on the other end can hear you more clearly.

Where Is ENC Useful?

ENC can be helpful when you:

• Make frequent phone calls
• Take online meetings
• Talk in busy outdoor areas
• Use earbuds in offices or public places
• Need clearer microphone audio

ANC vs ENC: How Do They Differ?

Main Purpose

ANC primarily focuses on what you hear. ENC primarily focuses on what the other person hears from your microphone.

This is the most important difference between the two technologies.

Noise Reduction

ANC actively reduces external noise reaching the listener’s ears. ENC is generally designed to reduce unwanted environmental sounds in the microphone signal.

Therefore, having ENC does not necessarily mean that the listener will experience a quiet environment.

Music and Video

For music and video playback in noisy surroundings, ANC is generally the more relevant technology.

ENC can improve microphone performance, but it is not primarily designed to make your music listening environment quieter.

Phone Calls

For phone calls, ENC can be particularly useful because its main purpose is microphone-side noise reduction.

ANC may also be present in the same device, but its main function is different.

Can Headphones Have Both ANC and ENC?

Yes. Many modern earbuds and headphones can use both technologies.

For example, ANC can reduce surrounding noise for the person wearing the earbuds, while ENC can help reduce environmental noise captured by the microphones during a call.

This means ANC and ENC are not necessarily competing technologies. They can serve different purposes in the same device.

ANC vs ENC: Which Should You Choose?

Choose ANC if your priority is:

• Quieter music listening
• Travel
• Reducing background noise
• Studying or working in noisy environments

Choose ENC if your priority is:

• Clearer phone calls
• Online meetings
• Better microphone performance
• Speaking in noisy surroundings

If you frequently listen to music and make calls, a device offering both ANC and ENC can provide a broader set of features.

Final Verdict

ANC and ENC solve different audio problems. ANC is mainly designed to reduce unwanted sounds for the listener, while ENC is mainly designed to improve voice clarity by reducing environmental noise captured by microphones.

So there is no universal winner between ANC and ENC. The better technology depends on whether your main priority is quiet listening or clearer voice communication.

Disclaimer

Audio performance can vary between products because microphone quality, speaker design, software processing, fit, and environmental conditions all affect real-world results. Specifications and features may also vary by model and can change over time.