?,.	Punctuation is designed to capture intonation, not grammar and should be used to describe intonation at the end of a word/sound at the end of a sentence or some other shorter unit. Use the symbols as follows: Comma is for slightly upward ‘continuing’ intonation; Question mark for marked upward intonation; and Period for falling intonation.
[	Left-side brackets indicate where overlapping talk begins.
]	Right-side brackets indicate where overlapping talk ends, or marks alignments within a continuing stream of overlapping talk.
(0.8)	Numbers in parentheses indicate periods of silence, in tenths of a second.
:::	Colons indicate a lengthening of the sound just preceding them, proportional to the number of colons.
becau-	A hyphen indicates an abrupt cut-off or self-interruption of the sound in progress indicated by the preceding letter(s) (the example here represents a self-interrupted “because”).