What are odd lines?

Some articles on line, lines, odd lines:

Analogue Television Synchronization - Synchronization - Vertical Synchronization
... through almost the entire length of the scan line ... The sync pulses occupy the whole of line interval of a number of lines at the beginning and end of a scan no picture information is transmitted during vertical retrace ... vertical retrace it also indicates whether each field represents even or odd lines in interlaced systems (depending on whether it begins at the start ...
Slow-scan Television - Current Systems - Modes - AVT
... modes differ radically from the other modes mentioned above, in that they have no per-line horizontal synchronization pulse but instead use the standard ... For instance, first the odd lines are sent, then the even lines ... If a block of odd lines are lost, the even lines remain, and a reasonable reconstruction of the odd lines can be created by a simple vertical interpolation, resulting in a full frame of lines where the even ...

Famous quotes containing the words lines and/or odd:

    Your letter is come; it came indeed twelve lines ago, but I
    could not stop to acknowledge it before, & I am glad it did not
    arrive till I had completed my first sentence, because the
    sentence had been made since yesterday, & I think forms a very
    good beginning.
    Jane Austen (1775–1817)

    It is an odd jealousy: but the poet finds himself not near enough to his object. The pine-tree, the river, the bank of flowers before him, does not seem to be nature. Nature is still elsewhere.
    Ralph Waldo Emerson (1803–1882)