More than 70 million deaf or hard-of-hearing people globally use sign language, but there's an acute shortage of interpreters. Silence Speaks is a British startup that wants to bridge that gap with an AI-powered sign language avatar capable of translating text to sign language.Communication problems can be devastating and isolating for the deaf, especially in environments with background noise and crosstalk. It's often impossible for deaf and hard-of-hearing folks to follow conversations in trai...