diff options
Diffstat (limited to 'webrtc/modules/audio_processing/aecm/aecm_defines.h')
| -rw-r--r-- | webrtc/modules/audio_processing/aecm/aecm_defines.h | 108 |
1 files changed, 54 insertions, 54 deletions
diff --git a/webrtc/modules/audio_processing/aecm/aecm_defines.h b/webrtc/modules/audio_processing/aecm/aecm_defines.h index 6d63990..5805549 100644 --- a/webrtc/modules/audio_processing/aecm/aecm_defines.h +++ b/webrtc/modules/audio_processing/aecm/aecm_defines.h @@ -8,80 +8,80 @@ * be found in the AUTHORS file in the root of the source tree. */ -#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AECM_AECM_DEFINES_H_ -#define WEBRTC_MODULES_AUDIO_PROCESSING_AECM_AECM_DEFINES_H_ +#ifndef MODULES_AUDIO_PROCESSING_AECM_AECM_DEFINES_H_ +#define MODULES_AUDIO_PROCESSING_AECM_AECM_DEFINES_H_ -#define AECM_DYNAMIC_Q /* Turn on/off dynamic Q-domain. */ +#define AECM_DYNAMIC_Q /* Turn on/off dynamic Q-domain. */ /* Algorithm parameters */ -#define FRAME_LEN 80 /* Total frame length, 10 ms. */ +#define FRAME_LEN 80 /* Total frame length, 10 ms. */ -#define PART_LEN 64 /* Length of partition. */ -#define PART_LEN_SHIFT 7 /* Length of (PART_LEN * 2) in base 2. */ +#define PART_LEN 64 /* Length of partition. */ +#define PART_LEN_SHIFT 7 /* Length of (PART_LEN * 2) in base 2. */ -#define PART_LEN1 (PART_LEN + 1) /* Unique fft coefficients. */ -#define PART_LEN2 (PART_LEN << 1) /* Length of partition * 2. */ -#define PART_LEN4 (PART_LEN << 2) /* Length of partition * 4. */ -#define FAR_BUF_LEN PART_LEN4 /* Length of buffers. */ -#define MAX_DELAY 100 +#define PART_LEN1 (PART_LEN + 1) /* Unique fft coefficients. */ +#define PART_LEN2 (PART_LEN << 1) /* Length of partition * 2. */ +#define PART_LEN4 (PART_LEN << 2) /* Length of partition * 4. */ +#define FAR_BUF_LEN PART_LEN4 /* Length of buffers. */ +#define MAX_DELAY 100 /* Counter parameters */ -#define CONV_LEN 512 /* Convergence length used at startup. */ -#define CONV_LEN2 (CONV_LEN << 1) /* Used at startup. */ +#define CONV_LEN 512 /* Convergence length used at startup. */ +#define CONV_LEN2 (CONV_LEN << 1) /* Used at startup. */ /* Energy parameters */ -#define MAX_BUF_LEN 64 /* History length of energy signals. */ -#define FAR_ENERGY_MIN 1025 /* Lowest Far energy level: At least 2 */ - /* in energy. */ -#define FAR_ENERGY_DIFF 929 /* Allowed difference between max */ - /* and min. */ -#define ENERGY_DEV_OFFSET 0 /* The energy error offset in Q8. */ -#define ENERGY_DEV_TOL 400 /* The energy estimation tolerance (Q8). */ -#define FAR_ENERGY_VAD_REGION 230 /* Far VAD tolerance region. */ +#define MAX_BUF_LEN 64 /* History length of energy signals. */ +#define FAR_ENERGY_MIN 1025 /* Lowest Far energy level: At least 2 */ + /* in energy. */ +#define FAR_ENERGY_DIFF 929 /* Allowed difference between max */ + /* and min. */ +#define ENERGY_DEV_OFFSET 0 /* The energy error offset in Q8. */ +#define ENERGY_DEV_TOL 400 /* The energy estimation tolerance (Q8). */ +#define FAR_ENERGY_VAD_REGION 230 /* Far VAD tolerance region. */ /* Stepsize parameters */ -#define MU_MIN 10 /* Min stepsize 2^-MU_MIN (far end energy */ - /* dependent). */ -#define MU_MAX 1 /* Max stepsize 2^-MU_MAX (far end energy */ - /* dependent). */ -#define MU_DIFF 9 /* MU_MIN - MU_MAX */ +#define MU_MIN 10 /* Min stepsize 2^-MU_MIN (far end energy */ + /* dependent). */ +#define MU_MAX 1 /* Max stepsize 2^-MU_MAX (far end energy */ + /* dependent). */ +#define MU_DIFF 9 /* MU_MIN - MU_MAX */ /* Channel parameters */ -#define MIN_MSE_COUNT 20 /* Min number of consecutive blocks with enough */ - /* far end energy to compare channel estimates. */ -#define MIN_MSE_DIFF 29 /* The ratio between adapted and stored channel to */ - /* accept a new storage (0.8 in Q-MSE_RESOLUTION). */ -#define MSE_RESOLUTION 5 /* MSE parameter resolution. */ -#define RESOLUTION_CHANNEL16 12 /* W16 Channel in Q-RESOLUTION_CHANNEL16. */ -#define RESOLUTION_CHANNEL32 28 /* W32 Channel in Q-RESOLUTION_CHANNEL. */ -#define CHANNEL_VAD 16 /* Minimum energy in frequency band */ - /* to update channel. */ +#define MIN_MSE_COUNT 20 /* Min number of consecutive blocks with enough */ + /* far end energy to compare channel estimates. */ +#define MIN_MSE_DIFF 29 /* The ratio between adapted and stored channel to */ + /* accept a new storage (0.8 in Q-MSE_RESOLUTION). */ +#define MSE_RESOLUTION 5 /* MSE parameter resolution. */ +#define RESOLUTION_CHANNEL16 12 /* W16 Channel in Q-RESOLUTION_CHANNEL16. */ +#define RESOLUTION_CHANNEL32 28 /* W32 Channel in Q-RESOLUTION_CHANNEL. */ +#define CHANNEL_VAD 16 /* Minimum energy in frequency band */ + /* to update channel. */ /* Suppression gain parameters: SUPGAIN parameters in Q-(RESOLUTION_SUPGAIN). */ -#define RESOLUTION_SUPGAIN 8 /* Channel in Q-(RESOLUTION_SUPGAIN). */ -#define SUPGAIN_DEFAULT (1 << RESOLUTION_SUPGAIN) /* Default. */ -#define SUPGAIN_ERROR_PARAM_A 3072 /* Estimation error parameter */ - /* (Maximum gain) (8 in Q8). */ -#define SUPGAIN_ERROR_PARAM_B 1536 /* Estimation error parameter */ - /* (Gain before going down). */ -#define SUPGAIN_ERROR_PARAM_D SUPGAIN_DEFAULT /* Estimation error parameter */ - /* (Should be the same as Default) (1 in Q8). */ -#define SUPGAIN_EPC_DT 200 /* SUPGAIN_ERROR_PARAM_C * ENERGY_DEV_TOL */ +#define RESOLUTION_SUPGAIN 8 /* Channel in Q-(RESOLUTION_SUPGAIN). */ +#define SUPGAIN_DEFAULT (1 << RESOLUTION_SUPGAIN) /* Default. */ +#define SUPGAIN_ERROR_PARAM_A 3072 /* Estimation error parameter */ + /* (Maximum gain) (8 in Q8). */ +#define SUPGAIN_ERROR_PARAM_B 1536 /* Estimation error parameter */ + /* (Gain before going down). */ +#define SUPGAIN_ERROR_PARAM_D SUPGAIN_DEFAULT /* Estimation error parameter */ +/* (Should be the same as Default) (1 in Q8). */ +#define SUPGAIN_EPC_DT 200 /* SUPGAIN_ERROR_PARAM_C * ENERGY_DEV_TOL */ /* Defines for "check delay estimation" */ -#define CORR_WIDTH 31 /* Number of samples to correlate over. */ -#define CORR_MAX 16 /* Maximum correlation offset. */ -#define CORR_MAX_BUF 63 -#define CORR_DEV 4 -#define CORR_MAX_LEVEL 20 -#define CORR_MAX_LOW 4 -#define CORR_BUF_LEN (CORR_MAX << 1) + 1 +#define CORR_WIDTH 31 /* Number of samples to correlate over. */ +#define CORR_MAX 16 /* Maximum correlation offset. */ +#define CORR_MAX_BUF 63 +#define CORR_DEV 4 +#define CORR_MAX_LEVEL 20 +#define CORR_MAX_LOW 4 +#define CORR_BUF_LEN (CORR_MAX << 1) + 1 /* Note that CORR_WIDTH + 2*CORR_MAX <= MAX_BUF_LEN. */ -#define ONE_Q14 (1 << 14) +#define ONE_Q14 (1 << 14) /* NLP defines */ -#define NLP_COMP_LOW 3277 /* 0.2 in Q14 */ -#define NLP_COMP_HIGH ONE_Q14 /* 1 in Q14 */ +#define NLP_COMP_LOW 3277 /* 0.2 in Q14 */ +#define NLP_COMP_HIGH ONE_Q14 /* 1 in Q14 */ #endif |