Sennheiser is working with Samsung to bring its 3D audio earbuds to Android

Three-dimensional audio — otherwise known as binaural audio — is all about recording sound as close as possible to the way your ears hear it. Usually that means using big recording rigs configured to look like a human head, but Sennheiser wants to make the process simpler. Earlier this year at CES, it unveiled its Ambeo Smart Surround earbuds, which come with embedded microphones capable of recording 3D audio. The Smart Surrounds were announced as iPhone-only, but now the company is