What are the uses of an audio optical receiver

At the receiving end, an optical receiver decodes the light pulses back into an audio signal, which is then amplified and played through speakers or headphones. You'll find it on TVs, soundbars, AV receivers, and gaming consoles, usually labeled “Optical,” “Digital Audio In,” or “TOSLINK. ” It's one of the most common ways to. The optical audio port, also known as TOSLINK, can be useful for connecting older sound systems or linking devices like soundbars to TVs. [pdf]