Linear (or Longitudinal) Timecode (LTC) is an encoding of SMPTE timecode data
as a Manchester-Biphase encoded audio signal.
The audio signal is commonly recorded on a VTR track or other storage media.
libltc provides functionality to encode and decode LTC audio from/to SMPTE timecode, including SMPTE date support.
libltc is the successor of libltcsmpte. for more info, please see the FAQ in the documentaion.