for u interested learners
http://en.wikipedia.org/wiki/Differential_Manchester_encoding
http://en.wikipedia.org/wiki/Linear_timecode
http://en.wikipedia.org/wiki/RTP_MIDI
http://en.wikipedia.org/wiki/Differential_Manchester_encoding
http://en.wikipedia.org/wiki/Linear_timecode
http://en.wikipedia.org/wiki/RTP_MIDI