Commit b44f5128 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
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Fix for 3GPP issue 1133: High MLD observed between signals decoded from fixed-... 

Fix for 3GPP issue 1133: High MLD observed between signals decoded from fixed- and floating-point encoded 7_1_4 input at 160kbps -16LKFS

Link #1133
parent 7847d456

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -101,5 +101,6 @@ 
#define FIX_1109_OPTIM_MCT_STEREO_IGF_DEC       /* FhG: optimize mctStereoIGF_dec_fx() */

#define FIX_1110_OPTIM_DIRAC_DECORR_PROC        /* FhG: optimize ivas_dirac_dec_decorr_process() */

#define FIX_1100_REMOVE_LPC_RESCALING           /* VA: Remove the rescaling of LPC coefficient to Q12 as residu and syn-filt are already taking care of it*/

#define FIX_1133_IMPROVE_MC_MLD                 /* Ittiam: Correcting wrong updation of exponents in ivas_mc_paramupmix_param_est_enc_fx() */



#endif

lib_enc/ivas_mc_paramupmix_enc.c

+2 −0
Original line number Diff line number Diff line
@@ -1042,10 +1042,12 @@ static ivas_error ivas_mc_paramupmix_param_est_enc_fx( 


    IF( LT_16( maxbands, IVAS_MAX_NUM_BANDS ) )

    {

#ifndef FIX_1133_IMPROVE_MC_MLD

        *exp_alphas = 0;

        move16();

        *exp_betas = 0;

        move16();

#endif

        FOR( b = 0; b < MC_PARAMUPMIX_COMBINATIONS; b++ )

        {

            FOR( bnd = maxbands; bnd < IVAS_MAX_NUM_BANDS; bnd++ )