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In the audio world, there's always a lot of jargon and acronyms floating around. What's the difference between ANC and ENC?

John Schmidt, P.E., is principal of John Schmidt Audio Video Systems Design in Hempstead, N.Y. For 36 years until retirement, he worked for ABC Television in New York as a senior audio video systems ...

A new breakthrough from the Zhang Lab at Boston University is making waves in the world of sound control. Subscribe to our newsletter for the latest sci-tech news updates. Led by Professor Xin Zhang ...

On the face of it, producing a set of noise cancelling headphones should be a relatively straightforward project. But as [Pete Lewis] found out, things are not always as they seem. The result is a ...

Active noise-cancelling headphones work by generating a sound wave that is 180 degrees out of phase with the ambient noise. This requires the headphones to have a microphone inside the ear cup to ...

Boston University’s customized ventilated Phase Gradient Ultra-Open Metamaterial (PGUOM) achieves broadband acoustic silencing while preserving airflow—reaching up to 70% openness. Photo courtesy of ...