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Searched refs:sr (Results 1 – 25 of 40) sorted by relevance

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/liblc3-3.5.0-3.4.0/test/
Dbwdet.py43 def __init__(self, dt, sr): argument
46 self.sr = sr
51 sr = self.sr
57 for bw in range(sr):
58 i0 = BW_START[dt][sr][bw]
59 i1 = BW_STOP[dt][sr][bw]
67 if bw0 < sr:
69 i0 = BW_START[dt][sr][bw0] - l
70 i1 = BW_START[dt][sr][bw0]
74 bw = sr
[all …]
Dmdct_py.c30 enum lc3_srate sr; in mdct_forward_py() local
33 if (!PyArg_ParseTuple(args, "iiOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_forward_py()
37 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in mdct_forward_py()
39 int ns = LC3_NS(dt, sr), nd = LC3_ND(dt, sr); in mdct_forward_py()
48 lc3_mdct_forward(dt, sr, sr, x, d, y); in mdct_forward_py()
57 enum lc3_srate sr; in mdct_inverse_py() local
60 if (!PyArg_ParseTuple(args, "iiOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_inverse_py()
64 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in mdct_inverse_py()
66 int ns = LC3_NS(dt, sr), nd = LC3_ND(dt, sr); in mdct_inverse_py()
75 lc3_mdct_inverse(dt, sr, sr, x, d, y); in mdct_inverse_py()
Dmdct.py30 def __init__(self, dt, sr): argument
32 self.ns = T.NS[dt][sr]
33 self.nd = T.ND[dt][sr]
36 self.w = Mdct.W[dt][sr]
41 def __init__(self, dt, sr): argument
43 super().__init__(dt, sr)
66 def __init__(self, dt, sr): argument
68 super().__init__(dt, sr)
94 def check_forward_unit(rng, dt, sr): argument
96 ns = T.NS[dt][sr]
[all …]
Dspec_py.c29 unsigned dt, sr; in estimate_gain_py() local
36 if (!PyArg_ParseTuple(args, "IIOifi", &dt, &sr, in estimate_gain_py()
41 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in estimate_gain_py()
43 int ne = LC3_NE(dt, sr); in estimate_gain_py()
47 int g_int = estimate_gain(dt, sr, in estimate_gain_py()
55 unsigned sr; in adjust_gain_py() local
58 if (!PyArg_ParseTuple(args, "Iiii", &sr, &g_idx, &nbits, &nbits_budget)) in adjust_gain_py()
61 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in adjust_gain_py()
64 g_idx = adjust_gain(sr, g_idx, nbits, nbits_budget); in adjust_gain_py()
72 unsigned dt, sr; in quantize_py() local
[all …]
Dltpf_py.c27 unsigned dt, sr; in resample_py() local
32 if (!PyArg_ParseTuple(args, "IIOOO", &dt, &sr, &hp50_obj, &x_obj, &y_obj)) in resample_py()
36 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in resample_py()
39 int ns = LC3_NS(dt, sr), nt = LC3_NT(dt); in resample_py()
46 resample_12k8[sr](&hp50, x + nt, y + (ny - n), n); in resample_py()
55 unsigned dt, sr; in analyse_py() local
60 if (!PyArg_ParseTuple(args, "IIOO", &dt, &sr, &ltpf_obj, &x_obj)) in analyse_py()
64 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in analyse_py()
67 int ns = LC3_NS(dt, sr), nt = LC3_NT(sr); in analyse_py()
72 lc3_ltpf_analyse(dt, sr, &ltpf, x + nt, &data); in analyse_py()
[all …]
Denergy.py26 def __init__(self, dt, sr): argument
29 self.I = T.I[dt][sr]
43 def check_unit(rng, dt, sr): argument
45 ns = T.NS[dt][sr]
48 nrg = EnergyBand(dt, sr)
50 x = (2 * rng.random(T.NS[dt][sr])) - 1
53 (e_c, nn_c) = lc3.energy_compute(dt, sr, x)
59 (e_c, nn_c) = lc3.energy_compute(dt, sr, x)
66 sr = T.SRATE_16K
69 e = lc3.energy_compute(dt, sr, C.X[dt][0])[0]
[all …]
Dsns_py.c28 unsigned dt, sr; in compute_scale_factors_py() local
33 if (!PyArg_ParseTuple(args, "IIOp", &dt, &sr, &eb_obj, &att)) in compute_scale_factors_py()
37 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in compute_scale_factors_py()
39 int nb = LC3_MIN(lc3_band_lim[dt][sr][LC3_NUM_BANDS], LC3_NUM_BANDS); in compute_scale_factors_py()
44 compute_scale_factors(dt, sr, eb, att, scf); in compute_scale_factors_py()
118 unsigned dt, sr; in spectral_shaping_py() local
122 if (!PyArg_ParseTuple(args, "IIOpO", &dt, &sr, &scf_q_obj, &inv, &x_obj)) in spectral_shaping_py()
126 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in spectral_shaping_py()
128 int ne = LC3_NE(dt, sr); in spectral_shaping_py()
133 spectral_shaping(dt, sr, scf_q, inv, x, x); in spectral_shaping_py()
[all …]
Dattdet.py27 def __init__(self, dt, sr): argument
30 self.sr = sr
42 self.sr == T.SRATE_32K and nbytes > 80
45 self.sr >= T.SRATE_48K and nbytes >= 100
48 self.sr == T.SRATE_32K and nbytes >= 61 and nbytes < 150
51 self.sr >= T.SRATE_48K and nbytes >= 75 and nbytes < 150
108 for sr in range(T.SRATE_16K, T.NUM_SRATE):
110 attdet = AttackDetector(dt, sr)
114 f_att = lc3.attdet_run(dt, sr, nbytes,
115 initial_state(), 2 * rng.random(T.NS[dt][sr]+6) - 1)
[all …]
Dspec.py31 def __init__(self, dt, sr): argument
34 self.sr = sr
38 g_off = (nbytes * 8) // (10 * (1 + self.sr))
39 g_off = -min(115, g_off) - (105 + 5*(1 + self.sr))
60 def __init__(self, dt, sr): argument
62 super().__init__(dt, sr)
140 mode = 1 if nbytes >= 20 * (3 + self.sr) else 0
141 rate = 512 if nbytes > 20 * (1 + self.sr) else 0
203 sr = self.sr
205 if nbits < T1[sr]:
[all …]
Dltpf.py27 def __init__(self, dt, sr, history = 0): argument
29 self.sr = sr
30 self.p = 192 // T.SRATE_KHZ[sr]
36 self.x = np.zeros(self.w + T.NS[dt][sr])
74 if self.sr == T.SRATE_8K:
129 def __init__(self, dt, sr): argument
132 self.sr = sr
139 def __init__(self, dt, sr): argument
141 super().__init__(dt, sr)
144 dt, sr, history = 232)
[all …]
Denergy_py.c30 unsigned dt, sr; in energy_compute_py() local
34 if (!PyArg_ParseTuple(args, "IIO", &dt, &sr, &x_obj)) in energy_compute_py()
38 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in energy_compute_py()
40 int ns = LC3_NS(dt, sr); in energy_compute_py()
45 int nn_flag = lc3_energy_compute(dt, sr, x, e); in energy_compute_py()
Dattdet_py.c27 unsigned dt, sr, nbytes; in attdet_run_py() local
33 &dt, &sr, &nbytes, &attdet_obj, &x_obj)) in attdet_run_py()
37 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in attdet_run_py()
40 int ns = LC3_NS(dt, sr); in attdet_run_py()
44 int att = lc3_attdet_run(dt, sr, nbytes, &attdet, x+6); in attdet_run_py()
Dbwdet_py.c27 unsigned dt, sr; in bwdet_run_py() local
31 if (!PyArg_ParseTuple(args, "IIO", &dt, &sr, &e_obj)) in bwdet_run_py()
35 CTYPES_CHECK("sr", (unsigned)sr < LC3_NUM_SRATE); in bwdet_run_py()
38 int bw = lc3_bwdet_run(dt, sr, e); in bwdet_run_py()
Ddecoder.py38 sr = { 8000: T.SRATE_8K , 16000: T.SRATE_16K, 24000: T.SRATE_24K,
41 self.sr = sr
42 self.ne = T.NE[dt][sr]
43 self.ns = T.NS[dt][sr]
45 self.mdct = mdct.MdctInverse(dt, sr)
47 self.bwdet = bwdet.BandwidthDetector(dt, sr)
48 self.spec = spec.SpectrumSynthesis(dt, sr)
50 self.sns = sns.SnsSynthesis(dt, sr)
51 self.ltpf = ltpf.LtpfSynthesis(dt, sr)
58 if bw > self.sr:
Dsns.py27 def __init__(self, dt, sr): argument
30 self.sr = sr
78 I = T.I[self.dt][self.sr]
88 def __init__(self, dt, sr): argument
90 super().__init__(dt, sr)
113 g_tilt = [ 14, 18, 22, 26, 30 ][self.sr]
342 def __init__(self, dt, sr): argument
344 super().__init__(dt, sr)
460 def check_analysis(rng, dt, sr): argument
464 analysis = SnsAnalysis(dt, sr)
[all …]
/liblc3-3.5.0-3.4.0/src/
Dcommon.h92 #define LC3_SRATE_KHZ(sr) \ argument
93 ( (1 + (sr) + ((sr) == LC3_SRATE_48K)) * 8 )
103 #define LC3_NS(dt, sr) \ argument
104 ( 20 * (3 + (dt)) * (1 + (sr) + ((sr) == LC3_SRATE_48K)) )
106 #define LC3_ND(dt, sr) \ argument
107 ( (dt) == LC3_DT_7M5 ? 23 * LC3_NS(dt, sr) / 30 \
108 : 5 * LC3_NS(dt, sr) / 8 )
110 #define LC3_NE(dt, sr) \ argument
111 ( 20 * (3 + (dt)) * (1 + (sr)) )
117 ( (5 * LC3_SRATE_KHZ(sr)) / 4 )
[all …]
Dlc3.c82 enum lc3_srate sr = resolve_sr(sr_hz); in lc3_frame_samples() local
84 if (dt >= LC3_NUM_DT || sr >= LC3_NUM_SRATE) in lc3_frame_samples()
87 return LC3_NS(dt, sr); in lc3_frame_samples()
134 enum lc3_srate sr = resolve_sr(sr_hz); in lc3_delay_samples() local
136 if (dt >= LC3_NUM_DT || sr >= LC3_NUM_SRATE) in lc3_delay_samples()
139 return (dt == LC3_DT_7M5 ? 8 : 5) * (LC3_SRATE_KHZ(sr) / 2); in lc3_delay_samples()
158 enum lc3_srate sr = encoder->sr_pcm; in load_s16() local
162 int ns = LC3_NS(dt, sr); in load_s16()
179 enum lc3_srate sr = encoder->sr_pcm; in load_s24() local
183 int ns = LC3_NS(dt, sr); in load_s24()
[all …]
Dbwdet.c26 enum lc3_dt dt, enum lc3_srate sr, const float *e) in lc3_bwdet_run() argument
59 enum lc3_bandwidth bwn = (enum lc3_bandwidth)sr; in lc3_bwdet_run()
102 int lc3_bwdet_get_nbits(enum lc3_srate sr) in lc3_bwdet_get_nbits() argument
104 return (sr > 0) + (sr > 1) + (sr > 3); in lc3_bwdet_get_nbits()
111 enum lc3_srate sr, enum lc3_bandwidth bw) in lc3_bwdet_put_bw() argument
113 int nbits_bw = lc3_bwdet_get_nbits(sr); in lc3_bwdet_put_bw()
122 enum lc3_srate sr, enum lc3_bandwidth *bw) in lc3_bwdet_get_bw() argument
124 enum lc3_bandwidth max_bw = (enum lc3_bandwidth)sr; in lc3_bwdet_get_bw()
125 int nbits_bw = lc3_bwdet_get_nbits(sr); in lc3_bwdet_get_bw()
Dspec.c33 static int resolve_gain_offset(enum lc3_srate sr, int nbytes) in resolve_gain_offset() argument
35 int g_off = (nbytes * 8) / (10 * (1 + sr)); in resolve_gain_offset()
36 return 105 + 5*(1 + sr) + LC3_MIN(g_off, 115); in resolve_gain_offset()
50 enum lc3_dt dt, enum lc3_srate sr, const float *x, in estimate_gain() argument
53 int ne = LC3_NE(dt, sr) >> 2; in estimate_gain()
124 enum lc3_srate sr, int g_idx, int nbits, int nbits_budget) in adjust_gain() argument
131 }[sr]; in adjust_gain()
208 LC3_HOT static void quantize(enum lc3_dt dt, enum lc3_srate sr, in quantize() argument
212 int ne = LC3_NE(dt, sr); in quantize()
239 LC3_HOT static float unquantize(enum lc3_dt dt, enum lc3_srate sr, in unquantize() argument
[all …]
Dbwdet.h40 enum lc3_dt dt, enum lc3_srate sr, const float *e);
47 int lc3_bwdet_get_nbits(enum lc3_srate sr);
56 enum lc3_srate sr, enum lc3_bandwidth bw);
66 enum lc3_srate sr, enum lc3_bandwidth *bw);
Dspec.h62 void lc3_spec_analyze(enum lc3_dt dt, enum lc3_srate sr,
73 enum lc3_dt dt, enum lc3_srate sr, const lc3_spec_side_t *side);
88 enum lc3_dt dt, enum lc3_srate sr, enum lc3_bandwidth bw, int nbytes,
104 enum lc3_dt dt, enum lc3_srate sr, lc3_spec_side_t *side);
115 int lc3_spec_decode(lc3_bits_t *bits, enum lc3_dt dt, enum lc3_srate sr,
Denergy.c27 enum lc3_dt dt, enum lc3_srate sr, const float *x, float *e) in lc3_energy_compute() argument
36 int n1 = n1_table[dt][sr]; in lc3_energy_compute()
48 int nb = LC3_MIN(LC3_NUM_BANDS, LC3_NS(dt, sr)); in lc3_energy_compute()
50 const int *lim = lc3_band_lim[dt][sr]; in lc3_energy_compute()
Dattdet.c25 bool lc3_attdet_run(enum lc3_dt dt, enum lc3_srate sr, in lc3_attdet_run() argument
35 if (sr < LC3_SRATE_32K || in lc3_attdet_run()
36 nbytes < nbytes_ranges[dt][sr - LC3_SRATE_32K][0] || in lc3_attdet_run()
37 nbytes > nbytes_ranges[dt][sr - LC3_SRATE_32K][1] ) in lc3_attdet_run()
48 if (sr == LC3_SRATE_32K) { in lc3_attdet_run()
/liblc3-3.5.0-3.4.0/include/
Dlc3.h147 #define LC3_CHECK_SR_HZ(sr) \ argument
148 ( ((sr) == 8000) || ((sr) == 16000) || ((sr) == 24000) || \
149 ((sr) == 32000) || ((sr) == 48000) )
/liblc3-3.5.0-3.4.0/tables/
Dmktables.py164 for (sr, g_tilt) in enumerate(g_tilt_table):
165 print('\n--- sns ge table, sr:{} ---'.format(sr))
176 for sr in [ 8, 16, 32, 24, 48 ]:
178 r = 192 // sr
181 p = (192 // k) * (k // sr)
182 q = p * (0.5 if sr == 8 else 1)
184 print('\n--- LTPF resampler {:d} KHz to 12.8 KHz ---'.format(sr))

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