From 5a66ba75ce61877ba4e544057da2c4cdfe541678 Mon Sep 17 00:00:00 2001 From: Anjaneyulu Sana Date: Thu, 17 Apr 2025 08:02:02 +0530 Subject: [PATCH] Updates for ivas_analy_sp_fx to improve precision --- lib_enc/analy_sp_fx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib_enc/analy_sp_fx.c b/lib_enc/analy_sp_fx.c index 4f96ea2d4..57dbb369c 100644 --- a/lib_enc/analy_sp_fx.c +++ b/lib_enc/analy_sp_fx.c @@ -634,14 +634,14 @@ void ivas_analy_sp_fx( move32(); Bin_E[L_FFT - 1] = Bin_E[L_FFT - 2]; // *q_Bin_E move32(); - + Word32 add_const = 21475; // 1e-5 in Q31 FOR( i = 0; i < L_FFT / 2; i++ ) { Bin_E_old[i] = Bin_E[i]; // *q_Bin_E move32(); /* PS[i] = ( Bin_E[i] + 1e-5f + Bin_E[i + L_FFT / 2] + 1e-5f ) / 2.0f; */ - PS[i] = W_extract_h( W_mac_32_32( W_mult_32_32( Bin_E[i], ONE_IN_Q30 ), Bin_E[i + L_FFT / 2], ONE_IN_Q30 ) ); // *q_Bin_E + PS[i] = W_extract_h( W_add( W_mac_32_32( W_mult_32_32( Bin_E[i], ONE_IN_Q30 ), Bin_E[i + L_FFT / 2], ONE_IN_Q30 ), W_shr( W_shl( add_const, 32 ), sub( 31, *q_Bin_E ) ) ) ); // *q_Bin_E move32(); /* Bin_E[i] = (float) ( 10.0f * log( PS[i] ) ); */ -- GitLab