38 …silk_VAD_state              *psSilk_VAD         /* I/O  Pointer to Silk VAD state                 …
45 …silk_VAD_state              *psSilk_VAD                     /* I/O  Pointer to Silk VAD state     …  in silk_VAD_Init()  argument
51     silk_memset( psSilk_VAD, 0, sizeof( silk_VAD_state ) );  in silk_VAD_Init()
56 … psSilk_VAD->NoiseLevelBias[ b ] = silk_max_32( silk_DIV32_16( VAD_NOISE_LEVELS_BIAS, b + 1 ), 1 );  in silk_VAD_Init()
61         psSilk_VAD->NL[ b ]     = silk_MUL( 100, psSilk_VAD->NoiseLevelBias[ b ] );  in silk_VAD_Init()
62         psSilk_VAD->inv_NL[ b ] = silk_DIV32( silk_int32_MAX, psSilk_VAD->NL[ b ] );  in silk_VAD_Init()
64     psSilk_VAD->counter = 15;  in silk_VAD_Init()
68         psSilk_VAD->NrgRatioSmth_Q8[ b ] = 100 * 256;       /* 100 * 256 --> 20 dB SNR */  in silk_VAD_Init()
97     silk_VAD_state *psSilk_VAD = &psEncC->sVAD;  in silk_VAD_GetSA_Q8()  local
128     silk_ana_filt_bank_1( pIn, &psSilk_VAD->AnaState[  0 ],  in silk_VAD_GetSA_Q8()
132     silk_ana_filt_bank_1( X, &psSilk_VAD->AnaState1[ 0 ],  in silk_VAD_GetSA_Q8()
136     silk_ana_filt_bank_1( X, &psSilk_VAD->AnaState2[ 0 ],  in silk_VAD_GetSA_Q8()
148     X[ 0 ] -= psSilk_VAD->HPstate;  in silk_VAD_GetSA_Q8()
149     psSilk_VAD->HPstate = HPstateTmp;  in silk_VAD_GetSA_Q8()
164         Xnrg[ b ] = psSilk_VAD->XnrgSubfr[ b ];  in silk_VAD_GetSA_Q8()
188         psSilk_VAD->XnrgSubfr[ b ] = sumSquared;  in silk_VAD_GetSA_Q8()
194     silk_VAD_GetNoiseLevels( &Xnrg[ 0 ], psSilk_VAD );  in silk_VAD_GetSA_Q8()
202         speech_nrg = Xnrg[ b ] - psSilk_VAD->NL[ b ];  in silk_VAD_GetSA_Q8()
206 …      NrgToNoiseRatio_Q8[ b ] = silk_DIV32( silk_LSHIFT( Xnrg[ b ], 8 ), psSilk_VAD->NL[ b ] + 1 );  in silk_VAD_GetSA_Q8()
208 …      NrgToNoiseRatio_Q8[ b ] = silk_DIV32( Xnrg[ b ], silk_RSHIFT( psSilk_VAD->NL[ b ], 8 ) + 1 );  in silk_VAD_GetSA_Q8()
250         speech_nrg += ( b + 1 ) * silk_RSHIFT( Xnrg[ b ] - psSilk_VAD->NL[ b ], 4 );  in silk_VAD_GetSA_Q8()
283         psSilk_VAD->NrgRatioSmth_Q8[ b ] = silk_SMLAWB( psSilk_VAD->NrgRatioSmth_Q8[ b ],  in silk_VAD_GetSA_Q8()
284             NrgToNoiseRatio_Q8[ b ] - psSilk_VAD->NrgRatioSmth_Q8[ b ], smooth_coef_Q16 );  in silk_VAD_GetSA_Q8()
287         SNR_Q7 = 3 * ( silk_lin2log( psSilk_VAD->NrgRatioSmth_Q8[b] ) - 8 * 128 );  in silk_VAD_GetSA_Q8()
301 …silk_VAD_state              *psSilk_VAD         /* I/O  Pointer to Silk VAD state                 …  in silk_VAD_GetNoiseLevels()  argument
309     if( psSilk_VAD->counter < 1000 ) { /* 1000 = 20 sec */  in silk_VAD_GetNoiseLevels()
310         min_coef = silk_DIV32_16( silk_int16_MAX, silk_RSHIFT( psSilk_VAD->counter, 4 ) + 1 );  in silk_VAD_GetNoiseLevels()
317         nl = psSilk_VAD->NL[ k ];  in silk_VAD_GetNoiseLevels()
321         nrg = silk_ADD_POS_SAT32( pX[ k ], psSilk_VAD->NoiseLevelBias[ k ] );  in silk_VAD_GetNoiseLevels()
341 …psSilk_VAD->inv_NL[ k ] = silk_SMLAWB( psSilk_VAD->inv_NL[ k ], inv_nrg - psSilk_VAD->inv_NL[ k ],…  in silk_VAD_GetNoiseLevels()
342         silk_assert( psSilk_VAD->inv_NL[ k ] >= 0 );  in silk_VAD_GetNoiseLevels()
345         nl = silk_DIV32( silk_int32_MAX, psSilk_VAD->inv_NL[ k ] );  in silk_VAD_GetNoiseLevels()
352         psSilk_VAD->NL[ k ] = nl;  in silk_VAD_GetNoiseLevels()
356     psSilk_VAD->counter++;  in silk_VAD_GetNoiseLevels()