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The Bfv API Functions
November 2009 44
Tag Infopkts Contain speech parameter structures (which describe the sample
rate, coding format, and data format of the speech or indicate the
end of speech playback), and fax parameter structures (which
describe a strip or page of data, the line parameters, or control
parameters). They are:
INFOPKT_ASCII_STRIP_PARAMETERS
Tag containing parameters for ASCII data strip.
INFOPKT_BEGINNING_OF_PAGE
Tag indicating the beginning of a new page with no new parameters
from the previous page.
INFOPKT_DOCUMENT_PARAMETERS
Tag indicating new page composition parameters. An infopkt stream
must begin with this infopkt type. This is used, for example, to
change the resolution between pages in the middle of a fax
transmission.
INFOPKT_EFF_PAGE_PARAMETERS
Tag containing enhanced fax format page parameters.
INFOPKT_END_OF_SPEECH
Tag indicating end of speech playback.
INFOPKT_FAX_HEADER
Tag specifying a header or footer to appear on all subsequent pages
of a fax transmission.
INFOPKT_G3_STRIP_PARAMETERS
Tag containing parameters for G3 data strip.
INFOPKT_PAGE_PARAMETERS
Tag containing margin and padding parameters for a page.
INFOPKT_SPACE
Tag containing the spacing parameters for a fax page or a fax
overlay.
INFOPKT_SPEECH_PARAMETERS
Tag containing parameters for succeeding speech infopkts.
INFOPKT_T30_PARAMETERS
Tag containing T.30 line parameters bit rate and scan time. When
ECM is in use, the scan time specification has no effect.