LFE
LFE is an initialism that can refer to different concepts in audio engineering and computer programming. The term is most commonly associated with two distinct uses: the Low-Frequency Effects channel in multichannel surround sound and Lisp Flavoured Erlang, a Lisp dialect that runs on the BEAM virtual machine.
In audio systems, the Low-Frequency Effects channel is part of configurations such as 5.1 or 7.1 surround
In software, Lisp Flavoured Erlang is a Lisp dialect designed to run on the BEAM virtual machine.
Overall, the meaning of LFE depends on the context—audio production or programming—each domain using the same