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    /*
    
    $Log$
    
    Revision 1.15  2004/06/26 03:50:14  markster
    Merge source cleanups (bug #1911)
    
    
    Revision 1.14  2003/02/12 13:59:14  matteo
    mer feb 12 14:56:57 CET 2003
    
    Revision 1.1.1.1  2003/02/12 13:59:14  matteo
    mer feb 12 14:56:57 CET 2003
    
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    Revision 1.2  2000/01/05 08:20:39  markster
    Some OSS fixes and a few lpc changes to make it actually work
    
     * Revision 1.1  1996/08/19  22:40:23  jaf
     * Initial revision
     *
    
    */
    
    /*  -- translated by f2c (version 19951025).
       You must link the resulting object file with the libraries:
    	-lf2c -lm   (in that order)
    */
    
    #include "f2c.h"
    
    
    #ifdef P_R_O_T_O_T_Y_P_E_S
    extern int dcbias_(integer *len, real *speech, real *sigout);
    #endif
    
    
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    /* ********************************************************************* */
    
    /* 	DCBIAS Version 50 */
    
    /* $Log$
    
     * Revision 1.15  2004/06/26 03:50:14  markster
     * Merge source cleanups (bug #1911)
    
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     *
    
     * Revision 1.14  2003/02/12 13:59:14  matteo
     * mer feb 12 14:56:57 CET 2003
     *
     * Revision 1.1.1.1  2003/02/12 13:59:14  matteo
     * mer feb 12 14:56:57 CET 2003
     *
     * Revision 1.2  2000/01/05 08:20:39  markster
     * Some OSS fixes and a few lpc changes to make it actually work
     *
    
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     * Revision 1.1  1996/08/19  22:40:23  jaf
     * Initial revision
     * */
    /* Revision 1.3  1996/03/18  21:19:22  jaf */
    /* Just added a few comments about which array indices of the arguments */
    /* are used, and mentioning that this subroutine has no local state. */
    
    /* Revision 1.2  1996/03/13  16:44:53  jaf */
    /* Comments added explaining that none of the local variables of this */
    /* subroutine need to be saved from one invocation to the next. */
    
    /* Revision 1.1  1996/02/07 14:44:21  jaf */
    /* Initial revision */
    
    
    /* ********************************************************************* */
    
    /* Calculate and remove DC bias from buffer. */
    
    /* Input: */
    /*  LEN    - Length of speech buffers */
    /*  SPEECH - Input speech buffer */
    /*           Indices 1 through LEN read. */
    /* Output: */
    /*  SIGOUT - Output speech buffer */
    /*           Indices 1 through LEN written */
    
    /* This subroutine has no local state. */
    
    /* Subroutine */ int dcbias_(integer *len, real *speech, real *sigout)
    {
        /* System generated locals */
        integer i__1;
    
        /* Local variables */
        real bias;
        integer i__;
    
    /* 	Arguments */
    /*       Local variables that need not be saved */
        /* Parameter adjustments */
        --sigout;
        --speech;
    
        /* Function Body */
        bias = 0.f;
        i__1 = *len;
        for (i__ = 1; i__ <= i__1; ++i__) {
    	bias += speech[i__];
        }
        bias /= *len;
        i__1 = *len;
        for (i__ = 1; i__ <= i__1; ++i__) {
    	sigout[i__] = speech[i__] - bias;
        }
        return 0;
    } /* dcbias_ */