//temp1 = Mpy_32_32( temp1, L_shl(output_Fs,15) );//Denominator in Q9
//temp2 = i_mult( -3, pLoop_delays[loop_idx] );
T60_est=BASOP_Util_Divide3232_Scale_newton(L_shl(i_mult(-3,pLoop_delays[loop_idx]),2),Mpy_32_32(Mpy_32_32(L_add(BASOP_Util_Log2(H_filter),L_shl(temp,25)),LOG10_2_Q31),L_shl(output_Fs,8)),&temp);// conversion of log2 to log10.