define.h File Reference

#include "errors.h"
#include "typedef.h"

Go to the source code of this file.

Macros
#define	ENCODER_NUM_CHANNELS   2
#define	DECODER_NUM_CHANNELS   2
#define	MAX_FRAMES_PER_PACKET   3
#define	MIN_TARGET_RATE_BPS   5000
#define	MAX_TARGET_RATE_BPS   80000
#define	TARGET_RATE_TAB_SZ   8
#define	LBRR_NB_MIN_RATE_BPS   12000
#define	LBRR_MB_MIN_RATE_BPS   14000
#define	LBRR_WB_MIN_RATE_BPS   16000
#define	NB_SPEECH_FRAMES_BEFORE_DTX   10 /* eq 200 ms */
#define	MAX_CONSECUTIVE_DTX   20 /* eq 400 ms */
#define	MAX_FS_KHZ   16
#define	MAX_API_FS_KHZ   48
#define	TYPE_NO_VOICE_ACTIVITY   0
#define	TYPE_UNVOICED   1
#define	TYPE_VOICED   2
#define	CODE_INDEPENDENTLY   0
#define	CODE_INDEPENDENTLY_NO_LTP_SCALING   1
#define	CODE_CONDITIONALLY   2
#define	STEREO_QUANT_TAB_SIZE   16
#define	STEREO_QUANT_SUB_STEPS   5
#define	STEREO_INTERP_LEN_MS   8 /* must be even */
#define	STEREO_RATIO_SMOOTH_COEF   0.01 /* smoothing coef for signal norms and stereo width */
#define	PITCH_EST_MIN_LAG_MS   2 /* 2 ms -> 500 Hz */
#define	PITCH_EST_MAX_LAG_MS   18 /* 18 ms -> 56 Hz */
#define	MAX_NB_SUBFR   4
#define	LTP_MEM_LENGTH_MS   20
#define	SUB_FRAME_LENGTH_MS   5
#define	MAX_SUB_FRAME_LENGTH   ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ )
#define	MAX_FRAME_LENGTH_MS   ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR )
#define	MAX_FRAME_LENGTH   ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ )
#define	LA_PITCH_MS   2
#define	LA_PITCH_MAX   ( LA_PITCH_MS * MAX_FS_KHZ )
#define	MAX_FIND_PITCH_LPC_ORDER   16
#define	FIND_PITCH_LPC_WIN_MS   ( 20 + (LA_PITCH_MS << 1) )
#define	FIND_PITCH_LPC_WIN_MS_2_SF   ( 10 + (LA_PITCH_MS << 1) )
#define	FIND_PITCH_LPC_WIN_MAX   ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ )
#define	LA_SHAPE_MS   5
#define	LA_SHAPE_MAX   ( LA_SHAPE_MS * MAX_FS_KHZ )
#define	SHAPE_LPC_WIN_MAX   ( 15 * MAX_FS_KHZ )
#define	MIN_QGAIN_DB   2
#define	MAX_QGAIN_DB   88
#define	N_LEVELS_QGAIN   64
#define	MAX_DELTA_GAIN_QUANT   36
#define	MIN_DELTA_GAIN_QUANT   -4
#define	OFFSET_VL_Q10   32
#define	OFFSET_VH_Q10   100
#define	OFFSET_UVL_Q10   100
#define	OFFSET_UVH_Q10   240
#define	QUANT_LEVEL_ADJUST_Q10   80
#define	MAX_LPC_STABILIZE_ITERATIONS   16
#define	MAX_PREDICTION_POWER_GAIN   1e4f
#define	MAX_PREDICTION_POWER_GAIN_AFTER_RESET   1e2f
#define	MAX_LPC_ORDER   16
#define	MIN_LPC_ORDER   10
#define	LTP_ORDER   5
#define	NB_LTP_CBKS   3
#define	USE_HARM_SHAPING   1
#define	MAX_SHAPE_LPC_ORDER   16
#define	HARM_SHAPE_FIR_TAPS   3
#define	MAX_DEL_DEC_STATES   4
#define	LTP_BUF_LENGTH   512
#define	LTP_MASK   ( LTP_BUF_LENGTH - 1 )
#define	DECISION_DELAY   32
#define	DECISION_DELAY_MASK   ( DECISION_DELAY - 1 )
#define	SHELL_CODEC_FRAME_LENGTH   16
#define	LOG2_SHELL_CODEC_FRAME_LENGTH   4
#define	MAX_NB_SHELL_BLOCKS   ( MAX_FRAME_LENGTH / SHELL_CODEC_FRAME_LENGTH )
#define	N_RATE_LEVELS   10
#define	SILK_MAX_PULSES   16
#define	MAX_MATRIX_SIZE   MAX_LPC_ORDER /* Max of LPC Order and LTP order */
#define	NSQ_LPC_BUF_LENGTH   DECISION_DELAY
#define	VAD_N_BANDS   4
#define	VAD_INTERNAL_SUBFRAMES_LOG2   2
#define	VAD_INTERNAL_SUBFRAMES   ( 1 << VAD_INTERNAL_SUBFRAMES_LOG2 )
#define	VAD_NOISE_LEVEL_SMOOTH_COEF_Q16   1024 /* Must be < 4096 */
#define	VAD_NOISE_LEVELS_BIAS   50
#define	VAD_NEGATIVE_OFFSET_Q5   128 /* sigmoid is 0 at -128 */
#define	VAD_SNR_FACTOR_Q16   45000
#define	VAD_SNR_SMOOTH_COEF_Q18   4096
#define	LSF_COS_TAB_SZ_FIX   128
#define	NLSF_W_Q   2
#define	NLSF_VQ_MAX_VECTORS   32
#define	NLSF_VQ_MAX_SURVIVORS   32
#define	NLSF_QUANT_MAX_AMPLITUDE   4
#define	NLSF_QUANT_MAX_AMPLITUDE_EXT   10
#define	NLSF_QUANT_LEVEL_ADJ   0.1
#define	NLSF_QUANT_DEL_DEC_STATES_LOG2   2
#define	NLSF_QUANT_DEL_DEC_STATES   ( 1 << NLSF_QUANT_DEL_DEC_STATES_LOG2 )
#define	TRANSITION_TIME_MS   5120 /* 5120 = 64 * FRAME_LENGTH_MS * ( TRANSITION_INT_NUM - 1 ) = 64*(20*4)*/
#define	TRANSITION_NB   3 /* Hardcoded in tables */
#define	TRANSITION_NA   2 /* Hardcoded in tables */
#define	TRANSITION_INT_NUM   5 /* Hardcoded in tables */
#define	TRANSITION_FRAMES   ( TRANSITION_TIME_MS / MAX_FRAME_LENGTH_MS )
#define	TRANSITION_INT_STEPS   ( TRANSITION_FRAMES / ( TRANSITION_INT_NUM - 1 ) )
#define	BWE_AFTER_LOSS_Q16   63570
#define	CNG_BUF_MASK_MAX   255 /* 2^floor(log2(MAX_FRAME_LENGTH))-1 */
#define	CNG_GAIN_SMTH_Q16   4634 /* 0.25^(1/4) */
#define	CNG_NLSF_SMTH_Q16   16348 /* 0.25 */

Macro Definition Documentation

BWE_AFTER_LOSS_Q16

#define BWE_AFTER_LOSS_Q16   63570

CNG_BUF_MASK_MAX

#define CNG_BUF_MASK_MAX   255 /* 2^floor(log2(MAX_FRAME_LENGTH))-1 */

CNG_GAIN_SMTH_Q16

#define CNG_GAIN_SMTH_Q16   4634 /* 0.25^(1/4) */

CNG_NLSF_SMTH_Q16

#define CNG_NLSF_SMTH_Q16   16348 /* 0.25 */

CODE_CONDITIONALLY

#define CODE_CONDITIONALLY   2

CODE_INDEPENDENTLY

#define CODE_INDEPENDENTLY   0

CODE_INDEPENDENTLY_NO_LTP_SCALING

#define CODE_INDEPENDENTLY_NO_LTP_SCALING   1

DECISION_DELAY

#define DECISION_DELAY   32

DECISION_DELAY_MASK

#define DECISION_DELAY_MASK   ( DECISION_DELAY - 1 )

DECODER_NUM_CHANNELS

#define DECODER_NUM_CHANNELS   2

ENCODER_NUM_CHANNELS

#define ENCODER_NUM_CHANNELS   2

FIND_PITCH_LPC_WIN_MAX

#define FIND_PITCH_LPC_WIN_MAX   ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ )

FIND_PITCH_LPC_WIN_MS

#define FIND_PITCH_LPC_WIN_MS   ( 20 + (LA_PITCH_MS << 1) )

FIND_PITCH_LPC_WIN_MS_2_SF

#define FIND_PITCH_LPC_WIN_MS_2_SF   ( 10 + (LA_PITCH_MS << 1) )

HARM_SHAPE_FIR_TAPS

#define HARM_SHAPE_FIR_TAPS   3

LA_PITCH_MAX

#define LA_PITCH_MAX   ( LA_PITCH_MS * MAX_FS_KHZ )

LA_PITCH_MS

#define LA_PITCH_MS   2

LA_SHAPE_MAX

#define LA_SHAPE_MAX   ( LA_SHAPE_MS * MAX_FS_KHZ )

LA_SHAPE_MS

#define LA_SHAPE_MS   5

LBRR_MB_MIN_RATE_BPS

#define LBRR_MB_MIN_RATE_BPS   14000

LBRR_NB_MIN_RATE_BPS

#define LBRR_NB_MIN_RATE_BPS   12000

LBRR_WB_MIN_RATE_BPS

#define LBRR_WB_MIN_RATE_BPS   16000

LOG2_SHELL_CODEC_FRAME_LENGTH

#define LOG2_SHELL_CODEC_FRAME_LENGTH   4

LSF_COS_TAB_SZ_FIX

#define LSF_COS_TAB_SZ_FIX   128

LTP_BUF_LENGTH

#define LTP_BUF_LENGTH   512

LTP_MASK

#define LTP_MASK   ( LTP_BUF_LENGTH - 1 )

LTP_MEM_LENGTH_MS

#define LTP_MEM_LENGTH_MS   20

LTP_ORDER

#define LTP_ORDER   5

MAX_API_FS_KHZ

#define MAX_API_FS_KHZ   48

MAX_CONSECUTIVE_DTX

#define MAX_CONSECUTIVE_DTX   20 /* eq 400 ms */

MAX_DEL_DEC_STATES

#define MAX_DEL_DEC_STATES   4

MAX_DELTA_GAIN_QUANT

#define MAX_DELTA_GAIN_QUANT   36

MAX_FIND_PITCH_LPC_ORDER

#define MAX_FIND_PITCH_LPC_ORDER   16

MAX_FRAME_LENGTH

#define MAX_FRAME_LENGTH   ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ )

MAX_FRAME_LENGTH_MS

#define MAX_FRAME_LENGTH_MS   ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR )

MAX_FRAMES_PER_PACKET

#define MAX_FRAMES_PER_PACKET   3

MAX_FS_KHZ

#define MAX_FS_KHZ   16

MAX_LPC_ORDER

#define MAX_LPC_ORDER   16

MAX_LPC_STABILIZE_ITERATIONS

#define MAX_LPC_STABILIZE_ITERATIONS   16

MAX_MATRIX_SIZE

#define MAX_MATRIX_SIZE   MAX_LPC_ORDER /* Max of LPC Order and LTP order */

MAX_NB_SHELL_BLOCKS

#define MAX_NB_SHELL_BLOCKS   ( MAX_FRAME_LENGTH / SHELL_CODEC_FRAME_LENGTH )

MAX_NB_SUBFR

#define MAX_NB_SUBFR   4

MAX_PREDICTION_POWER_GAIN

#define MAX_PREDICTION_POWER_GAIN   1e4f

MAX_PREDICTION_POWER_GAIN_AFTER_RESET

#define MAX_PREDICTION_POWER_GAIN_AFTER_RESET   1e2f

MAX_QGAIN_DB

#define MAX_QGAIN_DB   88

MAX_SHAPE_LPC_ORDER

#define MAX_SHAPE_LPC_ORDER   16

MAX_SUB_FRAME_LENGTH

#define MAX_SUB_FRAME_LENGTH   ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ )

MAX_TARGET_RATE_BPS

#define MAX_TARGET_RATE_BPS   80000

MIN_DELTA_GAIN_QUANT

#define MIN_DELTA_GAIN_QUANT   -4

MIN_LPC_ORDER

#define MIN_LPC_ORDER   10

MIN_QGAIN_DB

#define MIN_QGAIN_DB   2

MIN_TARGET_RATE_BPS

#define MIN_TARGET_RATE_BPS   5000

N_LEVELS_QGAIN

#define N_LEVELS_QGAIN   64

N_RATE_LEVELS

#define N_RATE_LEVELS   10

NB_LTP_CBKS

#define NB_LTP_CBKS   3

NB_SPEECH_FRAMES_BEFORE_DTX

#define NB_SPEECH_FRAMES_BEFORE_DTX   10 /* eq 200 ms */

NLSF_QUANT_DEL_DEC_STATES

#define NLSF_QUANT_DEL_DEC_STATES   ( 1 << NLSF_QUANT_DEL_DEC_STATES_LOG2 )

NLSF_QUANT_DEL_DEC_STATES_LOG2

#define NLSF_QUANT_DEL_DEC_STATES_LOG2   2

NLSF_QUANT_LEVEL_ADJ

#define NLSF_QUANT_LEVEL_ADJ   0.1

NLSF_QUANT_MAX_AMPLITUDE

#define NLSF_QUANT_MAX_AMPLITUDE   4

NLSF_QUANT_MAX_AMPLITUDE_EXT

#define NLSF_QUANT_MAX_AMPLITUDE_EXT   10

NLSF_VQ_MAX_SURVIVORS

#define NLSF_VQ_MAX_SURVIVORS   32

NLSF_VQ_MAX_VECTORS

#define NLSF_VQ_MAX_VECTORS   32

NLSF_W_Q

#define NLSF_W_Q   2

NSQ_LPC_BUF_LENGTH

#define NSQ_LPC_BUF_LENGTH   DECISION_DELAY

OFFSET_UVH_Q10

#define OFFSET_UVH_Q10   240

OFFSET_UVL_Q10

#define OFFSET_UVL_Q10   100

OFFSET_VH_Q10

#define OFFSET_VH_Q10   100

OFFSET_VL_Q10

#define OFFSET_VL_Q10   32

PITCH_EST_MAX_LAG_MS

#define PITCH_EST_MAX_LAG_MS   18 /* 18 ms -> 56 Hz */

PITCH_EST_MIN_LAG_MS

#define PITCH_EST_MIN_LAG_MS   2 /* 2 ms -> 500 Hz */

QUANT_LEVEL_ADJUST_Q10

#define QUANT_LEVEL_ADJUST_Q10   80

SHAPE_LPC_WIN_MAX

#define SHAPE_LPC_WIN_MAX   ( 15 * MAX_FS_KHZ )

SHELL_CODEC_FRAME_LENGTH

#define SHELL_CODEC_FRAME_LENGTH   16

SILK_MAX_PULSES

#define SILK_MAX_PULSES   16

STEREO_INTERP_LEN_MS

#define STEREO_INTERP_LEN_MS   8 /* must be even */

STEREO_QUANT_SUB_STEPS

#define STEREO_QUANT_SUB_STEPS   5

STEREO_QUANT_TAB_SIZE

#define STEREO_QUANT_TAB_SIZE   16

STEREO_RATIO_SMOOTH_COEF

#define STEREO_RATIO_SMOOTH_COEF   0.01 /* smoothing coef for signal norms and stereo width */

SUB_FRAME_LENGTH_MS

#define SUB_FRAME_LENGTH_MS   5

TARGET_RATE_TAB_SZ

#define TARGET_RATE_TAB_SZ   8

TRANSITION_FRAMES

#define TRANSITION_FRAMES   ( TRANSITION_TIME_MS / MAX_FRAME_LENGTH_MS )

TRANSITION_INT_NUM

#define TRANSITION_INT_NUM   5 /* Hardcoded in tables */

TRANSITION_INT_STEPS

#define TRANSITION_INT_STEPS   ( TRANSITION_FRAMES / ( TRANSITION_INT_NUM - 1 ) )

TRANSITION_NA

#define TRANSITION_NA   2 /* Hardcoded in tables */

TRANSITION_NB

#define TRANSITION_NB   3 /* Hardcoded in tables */

TRANSITION_TIME_MS

#define TRANSITION_TIME_MS   5120 /* 5120 = 64 * FRAME_LENGTH_MS * ( TRANSITION_INT_NUM - 1 ) = 64*(20*4)*/

TYPE_NO_VOICE_ACTIVITY

#define TYPE_NO_VOICE_ACTIVITY   0

TYPE_UNVOICED

#define TYPE_UNVOICED   1

TYPE_VOICED

#define TYPE_VOICED   2

USE_HARM_SHAPING

#define USE_HARM_SHAPING   1

VAD_INTERNAL_SUBFRAMES

#define VAD_INTERNAL_SUBFRAMES   ( 1 << VAD_INTERNAL_SUBFRAMES_LOG2 )

VAD_INTERNAL_SUBFRAMES_LOG2

#define VAD_INTERNAL_SUBFRAMES_LOG2   2

VAD_N_BANDS

#define VAD_N_BANDS   4

VAD_NEGATIVE_OFFSET_Q5

#define VAD_NEGATIVE_OFFSET_Q5   128 /* sigmoid is 0 at -128 */

VAD_NOISE_LEVEL_SMOOTH_COEF_Q16

#define VAD_NOISE_LEVEL_SMOOTH_COEF_Q16   1024 /* Must be < 4096 */

VAD_NOISE_LEVELS_BIAS

#define VAD_NOISE_LEVELS_BIAS   50

VAD_SNR_FACTOR_Q16

#define VAD_SNR_FACTOR_Q16   45000

VAD_SNR_SMOOTH_COEF_Q18

#define VAD_SNR_SMOOTH_COEF_Q18   4096