LFE
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LFE is an abbreviation that is commonly used in describing an audio track contained within a 5.1 motion picture sound mix. It stands for Low Frequency Effects. The signal from this track, ranging from 10Hz to 120Hz, is normally sent to a subwoofer.
External links
- Dolby - What is the LFE channel (http://www.dolby.com/assets/pdf/tech_library/38_LFE.pdf) (pdf)