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FaceTime call has no sound? Here’s the fix

Start with these simple steps before assuming something is broken ...

Windows could not start Windows Audio Endpoint Builder service

If Windows could not start the Windows Audio Endpoint Builder service on Local Computer, reinstall the audio driver, restart ...
IEEE

Low-Dispersive FDFD Method for Large-Scale 3-D Scattering Problem

Abstract: In this article, a new finite-difference frequency-domain (FDFD) method with low numerical dispersive characteristic is proposed. The proposed method introduces an isotropic dispersion (ID) ...