


LPHASE(SFS1)      MISC. REFERENCE MANUAL PAGES       LPHASE(SFS1)



NAME
     lphase -- linear phase filtering using non-recursive filter

SYNOPSIS
     lphase (-i item)  (-l  lowpassedge)  (-h  highpassedge)  (-n
     order) file

DESCRIPTION
     lphase is a program to  perform  a  linear  phase  filtering
     using  a non-recursive filter.  The filter is designed using
     a Hamming-windowed sinc function of the given  length,  cen-
     tered about the output sample (= zero phase).

OPTIONS
     -I         Identify program name and version number.

     -iitem     Select input item number.

     -llowpassedge
                Specify filter edge for low-pass filter.

     -hhighpassedge
                Specify filter edge for high-pass filter.

     -norder    Specify size of filter (default 64).

INPUT ITEMS
     SPEECH
          Any speech signal

     LX   Any Lx signal

OUTPUT ITEMS
     SP   Filtered signal.

     LX   Filtered signal.

HISTORY
     low  low-pass frequency edge

     high high-pass frequency edge

     order
          order of filter.

VERSION/AUTHOR
     1.0  Mark Huckvale

SEE ALSO
     genfilt





Sun Release 4.1         Last change: UCL                        1






LPHASE(SFS1)      MISC. REFERENCE MANUAL PAGES       LPHASE(SFS1)



SOURCE
     /ptemp/mark/sfs/ucl/lphase.c





















































Sun Release 4.1         Last change: UCL                        2



