## A

advise
  A call that defines a point in time when the caller wants to be notified. See also periodic advise.
application notification
  An event that the controlling application retrieves from the filter graph manager.
asychronous reader filter
  A file source filter that does no parsing on its own, but just reads data off the disk for playing back media files. This is the source filter used for most DirectShow™ filter graphs.
ATR
  Audio tape recorder.

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