Commit 550e40e7 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
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Fix for 3GPP issue 1387: Stereo Encoder 32 kbps: Rattling artifcats in 16 kHz LTVs 

Link #1387
parent ca8df168

lib_enc/ivas_core_pre_proc_fx.c

+2 −2
Original line number Diff line number Diff line
@@ -827,8 +827,8 @@ ivas_error ivas_compute_core_buffers_fx( 
            /* no resampling needed, only delay adjustment to account for the FIR resampling delay */

            delay = NS2SA_FX2( input_Fs, DELAY_FIR_RESAMPL_NS );

            move16();

            Copy( st->mem_decim16k_fx + delay, new_inp_16k_fx - sub( lMemRecalc, add( delay, L_FILT16k ) ), delay );             /* Q(-1) */

            Copy( signal_in_fx - lMemRecalc, new_inp_16k_fx - add( lMemRecalc, L_FILT16k ), add( input_frame, lMemRecalc ) );    /* st->q_inp */

            Copy( st->mem_decim16k_fx + delay, new_inp_16k_fx - add( lMemRecalc, sub( delay, L_FILT16k ) ), delay );             /* Q(-1) */

            Copy( signal_in_fx - lMemRecalc, new_inp_16k_fx - sub( lMemRecalc, L_FILT16k ), add( input_frame, lMemRecalc ) );    /* st->q_inp */

            Copy( signal_in_fx + sub( sub( input_frame, lMemRecalc ), shl( delay, 1 ) ), st->mem_decim16k_fx, shl( delay, 1 ) ); /* st->q_inp */

        }

        ELSE IF( EQ_32( input_Fs, 32000 ) || EQ_32( input_Fs, 48000 ) )