Smart Remote 3 nRF52 v1.2
40 #define ENCODER_NUM_CHANNELS 1
43 #define DECODER_NUM_CHANNELS 1
45 #define MAX_FRAMES_PER_PACKET 3
48 #define MIN_TARGET_RATE_BPS 5000
49 #define MAX_TARGET_RATE_BPS 80000
50 #define TARGET_RATE_TAB_SZ 8
53 #define LBRR_NB_MIN_RATE_BPS 12000
54 #define LBRR_MB_MIN_RATE_BPS 14000
55 #define LBRR_WB_MIN_RATE_BPS 16000
58 #define NB_SPEECH_FRAMES_BEFORE_DTX 10
59 #define MAX_CONSECUTIVE_DTX 20
60 #define DTX_ACTIVITY_THRESHOLD 0.1f
64 #define MAX_API_FS_KHZ 48
67 #define TYPE_NO_VOICE_ACTIVITY 0
68 #define TYPE_UNVOICED 1
72 #define CODE_INDEPENDENTLY 0
73 #define CODE_INDEPENDENTLY_NO_LTP_SCALING 1
74 #define CODE_CONDITIONALLY 2
77 #define STEREO_QUANT_TAB_SIZE 16
78 #define STEREO_QUANT_SUB_STEPS 5
79 #define STEREO_INTERP_LEN_MS 8
80 #define STEREO_RATIO_SMOOTH_COEF 0.01
83 #define PITCH_EST_MIN_LAG_MS 2
84 #define PITCH_EST_MAX_LAG_MS 18
87 #define MAX_NB_SUBFR 4
90 #define LTP_MEM_LENGTH_MS 20
91 #define SUB_FRAME_LENGTH_MS 5
92 #define MAX_SUB_FRAME_LENGTH ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ )
93 #define MAX_FRAME_LENGTH_MS ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR )
94 #define MAX_FRAME_LENGTH ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ )
98 #define LA_PITCH_MAX ( LA_PITCH_MS * MAX_FS_KHZ )
101 #define MAX_FIND_PITCH_LPC_ORDER 16
104 #define FIND_PITCH_LPC_WIN_MS ( 20 + (LA_PITCH_MS << 1) )
105 #define FIND_PITCH_LPC_WIN_MS_2_SF ( 10 + (LA_PITCH_MS << 1) )
106 #define FIND_PITCH_LPC_WIN_MAX ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ )
109 #define LA_SHAPE_MS 5
110 #define LA_SHAPE_MAX ( LA_SHAPE_MS * MAX_FS_KHZ )
113 #define SHAPE_LPC_WIN_MAX ( 15 * MAX_FS_KHZ )
116 #define MIN_QGAIN_DB 2
118 #define MAX_QGAIN_DB 88
120 #define N_LEVELS_QGAIN 64
122 #define MAX_DELTA_GAIN_QUANT 36
124 #define MIN_DELTA_GAIN_QUANT -4
127 #define OFFSET_VL_Q10 32
128 #define OFFSET_VH_Q10 100
129 #define OFFSET_UVL_Q10 100
130 #define OFFSET_UVH_Q10 240
132 #define QUANT_LEVEL_ADJUST_Q10 80
135 #define MAX_LPC_STABILIZE_ITERATIONS 16
136 #define MAX_PREDICTION_POWER_GAIN 1e4f
137 #define MAX_PREDICTION_POWER_GAIN_AFTER_RESET 1e2f
139 #define MAX_LPC_ORDER 16
140 #define MIN_LPC_ORDER 10
146 #define NB_LTP_CBKS 3
149 #define USE_HARM_SHAPING 1
152 #define MAX_SHAPE_LPC_ORDER 24
154 #define HARM_SHAPE_FIR_TAPS 3
157 #define MAX_DEL_DEC_STATES 4
159 #define LTP_BUF_LENGTH 512
160 #define LTP_MASK ( LTP_BUF_LENGTH - 1 )
162 #define DECISION_DELAY 40
165 #define SHELL_CODEC_FRAME_LENGTH 16
166 #define LOG2_SHELL_CODEC_FRAME_LENGTH 4
167 #define MAX_NB_SHELL_BLOCKS ( MAX_FRAME_LENGTH / SHELL_CODEC_FRAME_LENGTH )
170 #define N_RATE_LEVELS 10
173 #define SILK_MAX_PULSES 16
175 #define MAX_MATRIX_SIZE MAX_LPC_ORDER
177 # define NSQ_LPC_BUF_LENGTH MAX_LPC_ORDER
182 #define VAD_N_BANDS 4
184 #define VAD_INTERNAL_SUBFRAMES_LOG2 2
185 #define VAD_INTERNAL_SUBFRAMES ( 1 << VAD_INTERNAL_SUBFRAMES_LOG2 )
187 #define VAD_NOISE_LEVEL_SMOOTH_COEF_Q16 1024
188 #define VAD_NOISE_LEVELS_BIAS 50
191 #define VAD_NEGATIVE_OFFSET_Q5 128
192 #define VAD_SNR_FACTOR_Q16 45000
195 #define VAD_SNR_SMOOTH_COEF_Q18 4096
198 #define LSF_COS_TAB_SZ_FIX 128
204 #define NLSF_VQ_MAX_VECTORS 32
205 #define NLSF_QUANT_MAX_AMPLITUDE 4
206 #define NLSF_QUANT_MAX_AMPLITUDE_EXT 10
207 #define NLSF_QUANT_LEVEL_ADJ 0.1
208 #define NLSF_QUANT_DEL_DEC_STATES_LOG2 2
209 #define NLSF_QUANT_DEL_DEC_STATES ( 1 << NLSF_QUANT_DEL_DEC_STATES_LOG2 )
212 #define TRANSITION_TIME_MS 5120
213 #define TRANSITION_NB 3
214 #define TRANSITION_NA 2
215 #define TRANSITION_INT_NUM 5
216 #define TRANSITION_FRAMES ( TRANSITION_TIME_MS / MAX_FRAME_LENGTH_MS )
217 #define TRANSITION_INT_STEPS ( TRANSITION_FRAMES / ( TRANSITION_INT_NUM - 1 ) )
220 #define BWE_AFTER_LOSS_Q16 63570
223 #define CNG_BUF_MASK_MAX 255
224 #define CNG_GAIN_SMTH_Q16 4634
225 #define CNG_NLSF_SMTH_Q16 16348