Commit 032d008a authored by Vladimir Malenovsky's avatar Vladimir Malenovsky
Browse files

Fix UNCLR mis-classifications in noisy speech stereo

parent 1b0cf878

lib_com/options.h

+2 −0
Original line number Diff line number Diff line
@@ -151,6 +151,8 @@ 
#define FIX_565_SBA_BURST_IN_FEC                        /* VA: Issue 565: Fix noise burst during FEC, due to wrong total_brate initialization */

#define FIX_562_ISM2_64KBPS                             /* VA: issue 562: fix ISM2 at 64kbps issue */

#define FIX_559_EXTL_IGF_MISMATCH                       /* VA: issue 559: fix mismatch between st->extl and st->igf observed as crash in PlanarSBA bitrate switching */

#define FIX_UNCLR_ISSUE                                 /* VoiceAge: issue 574: Fix UNCLR mis-classifications in noisy speech stereo */







/* ################## End DEVELOPMENT switches ######################### */

lib_enc/ivas_stereo_classifier.c

+27 −0
Original line number Diff line number Diff line
@@ -107,6 +107,10 @@ int16_t select_stereo_mode( 


    /* set binary flag indicating LRTD mode based on unclr/xtalk classifiers' decisions */

    hStereoClassif->prev_lrtd_mode = hStereoClassif->lrtd_mode;

#ifdef FIX_UNCLR_ISSUE

    hStereoClassif->unclr_decision = ( hStereoClassif->unclr_decision && hCPE->hCoreCoder[0]->flag_noisy_speech_snr == 0 &&

                                       hCPE->element_brate > IVAS_16k4 );

#endif

    hStereoClassif->lrtd_mode = ( ( hStereoClassif->unclr_decision | hStereoClassif->xtalk_decision ) && is_speech );



    stereo_switching_flag = 1;
@@ -617,6 +621,18 @@ void unclr_classifier_td( 
    dbgwrite( &dec, sizeof( int16_t ), 1, 1, "res/unclr_dec.x" );

    dbgwrite( &hStereoClassif->unclr_wscore, sizeof( float ), 1, 1, "res/unclr_wscore.x" );

    dbgwrite( &hStereoClassif->unclr_decision, sizeof( int16_t ), 1, 1, "res/unclr_dec_hyst.x" );





    {

        float ftmp;



        ftmp = ( hCPE->hCoreCoder[0]->lp_speech - hCPE->hCoreCoder[0]->lp_noise );

        dbgwrite( &ftmp, sizeof( float ), 1, 1, "res/unclr_lp_speech_minus_noise.x" );

        dbgwrite( &hCPE->hCoreCoder[0]->lp_noise, sizeof( float ), 1, 1, "res/unclr_lp_noise.x" );

    }



    dbgwrite( &hStereoClassif->relE_0_1, sizeof( float ), 1, 1, "res/unclr_relE_0_1.x" );

    dbgwrite( &hCPE->hCoreCoder[0]->vad_flag, sizeof( int16_t ), 1, 1, "res/unclr_core_coder_vad_flag.x" );

#endif



    return;
@@ -707,6 +723,17 @@ void unclr_classifier_dft( 
    dbgwrite( &dec, sizeof( int16_t ), 1, 1, "res/unclr_dec.x" );

    dbgwrite( &hStereoClassif->unclr_wscore, sizeof( float ), 1, 1, "res/unclr_wscore.x" );

    dbgwrite( &hStereoClassif->unclr_decision, sizeof( int16_t ), 1, 1, "res/unclr_dec_hyst.x" );



    {

        float ftmp;



        ftmp = ( hCPE->hCoreCoder[0]->lp_speech - hCPE->hCoreCoder[0]->lp_noise );

        dbgwrite( &ftmp, sizeof( float ), 1, 1, "res/unclr_lp_speech_minus_noise.x" );

        dbgwrite( &hCPE->hCoreCoder[0]->lp_noise, sizeof( float ), 1, 1, "res/unclr_lp_noise.x" );

    }



    dbgwrite( &hStereoClassif->relE_0_1, sizeof( float ), 1, 1, "res/unclr_relE_0_1.x" );

    dbgwrite( &hCPE->hCoreCoder[0]->vad_flag, sizeof( int16_t ), 1, 1, "res/unclr_core_coder_vad_flag.x" );

#endif



    return;