00010			Useful Files on 11,ALS		10/5/73
00020	
00030	ADDNAM - Allowa one to  add names to the list of input pameters.
00040	
00050	ADJUST -Uses data produced by file NORMAL to adjust  the  input  data
00060	for the specified files.
00070	
00080	BLOCKS-  Not  an  operating  program but a useful required item for a
00090	program.   BLOCKS  establishes  the  necessary  arrays  to  hold  the
00100	information in file TABHED.DAT and contains a callable routine HEADIN
00110	which loads these arrays.
00120	
00130	CLUST - Produces cluster diagrams for up to 4 different Phonettes  or
00140	Features  plotted  for  any  2 specified input parameters. Charts are
00150	produced showing the  distribution  of  data  for  each  Phonette  or
00160	Feature  separately,  then  there  is  a simngle plot showing regions
00170	dominated by the different Phonettes, and then  confusion  plots  and
00180	finally  plots  showing  the amount of submerged data. A list must be
00190	supplied of the files that are to be used as inputs.
00200	
00210	CONVER - Converts old style headers into the newer form. This program
00220	will  have  outlived  its  usefulness as soon as the new headers have
00230	been stabilized.
00240	
00250	EXTEND - A program to add input parameter information to the headers.
00260	At  the present time this program is fixed to add frication and pitch
00270	period information but the core of the program can be easily modified
00280	for any other type of information.
00290	
00300	FLOP4  -  This  program  computes  the number of reversals in the 4th
00310	difference obtained for the specified input acoustic  wave  for  each
00320	6.4  millisecond  portion.   This  figure  is  used  as  a measure of
00330	Frication. Its usefulness has not yet been demonstrated altho it does
00340	clearly  differentiate  between  utterances  having  very little high
00350	frequencies as compared with those that do.
00360	
00370	HEAD - Prepares a document showing the data in  the  header  for  any
00380	file.    The  file  for  this  document  may  be  modified  using any
00390	conventional Editor in order to correct the phonettes, their starting
00400	locations  and  lengths and then this corrected file may be used as a
00410	source file by program UPDATE to correct the header of an input file.
00420	
00430	HISSEG -A histograph producing program.
00440	
00450	LEARN - The learning program  which  accumulated  data  derived  from
00460	annotated   input  files.    At  the  present  time  LEARN  requiires
00470	preprocessed input files in which 24 different parameters  have  been
00480	tabulated  for  each 6.4 millisecond portion of the original acoustic
00490	input. This file must also contain a header  as  prepared  by  UPDATE
00500	with  the so-called HINTS, these being the specification of the name,
00510	starting position and length of clearly recognizable portions of  the
00520	input, again measured in units of 6.4 milliseconds.
00530	
00540	LEVEL2 - The start ol a second level program to take account of
00550	context to modify the segment probabilities that are computed by a
00560	SEG type program. This version compiles but it has not yet been tested.
00570	
00580	LRN.DAT- This file contains the currently accumulated learning counts
00590	during the operation of LEARN.  Overflow  counts  are  kept  in  file
00600	RES.DAT.  and  the data used by the recognition programs is stored in
00610	file USE.DAT. For further details see USE.DAT below.
00620	
00630	MAKE - Provides facilities for creating and modifying SIGNATURE TABLE
00640	header  information.  The program displays the existing statis of the
00650	tables and prompts with questions so that the  nacessary  information
00660	can  be supplied in the right form and order. The program creates the
00670	required machine-readable header file TABHED.DAT and it then  creates
00680	a  man-readable  document  file TABLES.DOC which reports on the final
00690	state of the header information.
00700	
00710	MAP.PHN - Miller's map  of  Phonettes  illustrated  by  examples  and
00720	showing the associated significant features.
00730	
00740	NAMEIN  -  Provides  facilities  to  add  names  to the list of input
00750	parameters. See ADDNAM above which does nearly the same thing.
00760	
00770	NORMAL - Produces a table that can be used  to  normalize  the  input
00780	files to preserve the maximum amount of resolution when the allowable
00790	range of values is reduced by using less than the full 6 bits allowed
00800	by the inputs.
00810	
00820	PIT -
00830	PITCH -
00840	PPITCH- Various pitch and glottal pulse detection programs, all in a
00850	very preliminary form, They will undoubtedly be superseded by Niel's
00860	program if and when this is working.
00870	
00880	PLOT - Lists header information from .T0X files on [11,ALS] and shows
00890	the corresponding acoustic data from files on [CMP,JH].  The  program
00900	will  select examples for any specified phonette or it cam be used to
00910	display everything, The method of use and the different options  that
00920	are available are described on entry.
00930	
00940	RES.DAT  -  This is the overflow file refered to in LRN.DAT above and
00950	described further in USE.DAT below.
00960	
00970	SEE -Displays a summary of the information contained in the SIGNATURE
00980	TABLES.
00990	
01000	SEER - Similar to SEE but producing a hard copy.
01010	
01020	SEG  -A  simplified  USE  program written for use in obtaining output
01030	data for the Segmentation Workshop. The data presented  at  Pittsburg
01040	was obtained by this program. This program requires preprocessed files
01050	which are currently filed under the nemes SEG1.T0X, SEG2.T0X etc. and
01060	which contain 24 6-bit parameters for each 6.4 millisecond portion of
01070	the original acoustic input data.
01080	
01090	SEG1.T0X - The first of a group of files (currently 31) as described
01100	more fully under SEG above.
01110	
01120	SIG.MAC  -  The  assembly  language  portion  of  the signature-table
01130	operating system, which does the inner loop  for  both  the  learning
01140	routine and the use routine. SIG is called from these routines with a
01150	parameter to specify the type of operation to be performed.
01160	
01170	STUDY4 - A study program for investigating simple parameter extraction
01180	routines as applied to acoustic data and tabulating the results. It is
01190	currently set up to report on a FLOP4 routine which counts the number
01200	of reversals in direction of the fourth difference over each 6.4
01210	millisecond interval of the acoustic wave.
01220	
01230	TABHED.DAT-  Contains  the  so-called  TABLE-HEADER  for  a  set   of
01240	SIGNATURE  TABLES.  It  lists  input  information  and has all of the
01250	necessary interconnection information for the tables.  TABHED.DAT  is
01260	created be the program called MAKE which is separately described.
01270	
01280	UPDATE- Uses a file document made by program HEAD, corrected  or  not
01290	as noted above to update the information in the header of a specified
01300	file.
01310	
01320	USE.DAT - Machine readable data produced by program LEARN and used by
01330	program SEG. This file contains only the derived probability figures.
01340	The original data that is obtained during training sessions is contained
01350	in two additional files RES.DAT AND LRN.DAT. The file LRN.DAT has
01360	room for counts up to 511 while file RES.DAT counts only in units of
01370	32. The top 4 bit positions in the counts accumulated in LRN.DAT are
01380	periodically added to the counts in RES.DAT and then reset to zero to
01390	allow for further accumulations. By this dodge it is possible to allow
01400	counts up to 2↑14 while limiting the size of the tables that must be
01410	maintained in the learning program.
01420