
1) Low frequency effects
Found on
https://www.crosswordclues.com/clue/lfe
[programming language] LFE (Lisp Flavored Erlang) is a functional, concurrent, general-purpose programming language and Lisp dialect built on top of Core Erlang and the Erlang Virtual Machine (BEAM). LFE builds on top of Erlang in order to provide a Lisp syntax for writing distributed, fault-tolerant, soft real-time, non-stop applications. ...
Found on
http://en.wikipedia.org/wiki/LFE_(programming_language)

Low Frequency Effects track. The .1 channel of a Dolby Digital, DTS, or SDDS soundtrack. The LFE is strictly low-frequency information (20 to 120 Hz, with 115 dB of dynamic range) that's added to the soundtrack for extra effect. This track does not inherently contain all the bass of the soundtrack.
Found on
http://www.encyclo.co.uk/local/21058

Low Frequency Effects
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.