ic_defines.h

// Copyright 2022 XMOS LIMITED.
// This Software is subject to the terms of the XMOS Public Licence: Version 1.
#ifndef IC_DEFINES_H
#define IC_DEFINES_H
 
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include "bfp_math.h"
#include "xs3_math.h"
 
 
#define IC_INIT_MU                                  0.369566 //From Python test_wav_ic
#define IC_INIT_EMA_ALPHA                           0.9995117188 //from two_mic_stereo.json
#define IC_INIT_LEAKAGE_ALPHA                       0.995 //from two_mic_stereo.json
 
#define IC_FILTER_PHASES                            10 //two_mic_stereo.json
#define IC_Y_CHANNEL_DELAY_SAMPS                    180 //From Python model
 
#define IC_INIT_SIGMA_XX_SHIFT                      11  //From XC IC and Python AEC
#define IC_INIT_GAMMA_LOG2                          1   //from two_mic_stereo.json(2^1 = 2.0)
#define IC_INIT_DELTA                               7.450580593454381e-09 //from two_mic_stereo.json
 
 
#define IC_INIT_ENABLE_FILTER_INSTABILITY_RECOVERY  1//from ap_stage_b.py
#define IC_INIT_INSTABILITY_RATIO_LIMIT             2.0//from ap_stage_b.py
#define IC_INIT_SMOOTHED_VOICE_CHANCE_ALPHA         0.99//from ap_stage_b.py
#define IC_INIT_ENERGY_ALPHA_SLOW                   0.999//from ap_stage_b.py
#define IC_INIT_ENERGY_ALPHA_FAST                   0.98//from ap_stage_b.py
#define IC_INIT_INSTABILITY_RECOVERY_LEAKAGE_ALPHA  0.995//from ap_stage_b.py
#define IC_INIT_SMOOTHED_VOICE_CHANCE               1.0//from ap_stage_b.py
 
 
 
#define IC_Y_CHANNELS 1
 
 #define IC_X_CHANNELS 1
 
 
#define IC_FRAME_LENGTH 512 
 
#define IC_FRAME_ADVANCE 240
 
#define IC_FRAME_OVERLAP (IC_FRAME_LENGTH - (2 * IC_FRAME_ADVANCE))
 
#define IC_FD_FRAME_LENGTH ((IC_FRAME_LENGTH / 2) + 1) //Frequency domain frame length
 
//
#define FFT_PADDING 2
 
//For unit tests
#ifdef __XC__ 
#undef DWORD_ALIGNED
#define DWORD_ALIGNED
#endif
 
//For the IC example
#if !PROFILE_PROCESSING
    #define prof(n, str)
    #define print_prof(start, end, framenum)
#endif
 
#endif