Improvement on the original Piloton system of sync pulse in which two thin tracks are positioned at the centre of the tape (where they are more reliable) recorded in opposite phase (push-pull) and so do not reproduce in a full-track scan.
"Dear Mr. Coban: Just want to let you know that I received my order of CD’s from your company and I am very pleased and satisfied with the work that you have done. I sent you three (3) reel-to-reel tapes that were made in the late 50’s and early 60’s. The tapes were of Christmas parties and family musical selections. The quality of work ..."