or  ?
Um @ @  So , this is from one of the NSA meetings and , uh , i if you 're familiar with the diff format , the arrow to the left is what it was , and the arrow to the right is  what it was changed to. So , um.  And now the first one. " OK. So , then we started a weekly meeting. The last time , uh  " And the transcriber thought " little too much " But ,  uh , really , um , it was " we learned too much " , which makes more sense syntactically as well.
And these  the parentheses were f from
Then  Oh , this  that 's the convention for indicating uncertain.