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/liblc3-3.5.0-3.4.0/test/
Denergy.py26 def __init__(self, dt, sr): argument
28 self.dt = dt
29 self.I = T.I[dt][sr]
36 e_lo = np.sum(e[:len(e) - [4, 2][self.dt]])
37 e_hi = np.sum(e[len(e) - [4, 2][self.dt]:])
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)
[all …]
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 …]
Dbwdet.py43 def __init__(self, dt, sr): argument
45 self.dt = dt
50 dt = self.dt
58 i0 = BW_START[dt][sr][bw]
59 i1 = BW_STOP[dt][sr][bw]
68 l = L[dt][bw0]
69 i0 = BW_START[dt][sr][bw0] - l
70 i1 = BW_START[dt][sr][bw0]
94 def check_unit(rng, dt, sr): argument
98 bwdet = BandwidthDetector(dt, sr)
[all …]
Dattdet.py27 def __init__(self, dt, sr): argument
29 self.dt = dt
31 self.ms = T.DT_MS[dt]
41 c1 = self.dt == T.DT_10M and \
44 c2 = self.dt == T.DT_10M and \
47 c3 = self.dt == T.DT_7M5 and \
50 c4 = self.dt == T.DT_7M5 and \
104 def check_enabling(rng, dt): argument
110 attdet = AttackDetector(dt, sr)
114 f_att = lc3.attdet_run(dt, sr, nbytes,
[all …]
Dspec.py31 def __init__(self, dt, sr): argument
33 self.dt = dt
45 nf_start = [ 18, 24 ][self.dt]
46 nf_width = [ 2, 3 ][self.dt]
48 bw_stop = int([ 80, 160, 240, 320, 400 ][bw] * (T.DT_MS[self.dt] / 10))
60 def __init__(self, dt, sr): argument
62 super().__init__(dt, sr)
309 ne = T.NE[self.dt][self.sr]
404 def __init__(self, dt, sr): argument
406 super().__init__(dt, sr)
[all …]
Dtns.py66 def __init__(self, dt): argument
68 self.dt = dt
99 def __init__(self, dt): argument
101 super().__init__(dt)
107 S = Tns.SUB_LIM[self.dt][bw][f]
188 self.nfilters = len(Tns.SUB_LIM[self.dt][bw])
189 self.lpc_weighting = nbytes * 8 < 48 * T.DT_MS[self.dt]
213 i0 = Tns.FREQ_LIM[self.dt][bw][f]
214 i1 = Tns.FREQ_LIM[self.dt][bw][f+1]
260 self.nfilters = len(Tns.SUB_LIM[self.dt][bw])
[all …]
Dsns.py27 def __init__(self, dt, sr): argument
29 self.dt = dt
78 I = T.I[self.dt][self.sr]
88 def __init__(self, dt, sr): argument
90 super().__init__(dt, sr)
94 dt = self.dt
145 scf_a = (0.5 if self.dt == T.DT_10M else 0.3) * \
342 def __init__(self, dt, sr): argument
344 super().__init__(dt, sr)
460 def check_analysis(rng, dt, sr): argument
[all …]
Dspec_py.c29 unsigned dt, sr; in estimate_gain_py() local
36 if (!PyArg_ParseTuple(args, "IIOifi", &dt, &sr, in estimate_gain_py()
40 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
72 unsigned dt, sr; in quantize_py() local
77 if (!PyArg_ParseTuple(args, "IIiO", &dt, &sr, &g_int, &x_obj)) in quantize_py()
80 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); in quantize_py()
84 int ne = LC3_NE(dt, sr); in quantize_py()
91 quantize(dt, sr, g_int, x, __xq, &nq); in quantize_py()
[all …]
Dencoder.py37 dt = { 7.5: T.DT_7M5, 10: T.DT_10M }[dt_ms]
42 self.ne = T.NE[dt][sr]
44 self.attdet = attdet.AttackDetector(dt, sr)
45 self.ltpf = ltpf.LtpfAnalysis(dt, sr)
47 self.mdct = mdct.MdctForward(dt, sr)
48 self.energy = energy.EnergyBand(dt, sr)
49 self.bwdet = bwdet.BandwidthDetector(dt, sr)
50 self.sns = sns.SnsAnalysis(dt, sr)
51 self.tns = tns.TnsAnalysis(dt)
52 self.spec = spec.SpectrumAnalysis(dt, sr)
[all …]
Dmdct_py.c29 enum lc3_dt dt; in mdct_forward_py() local
33 if (!PyArg_ParseTuple(args, "iiOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_forward_py()
36 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
56 enum lc3_dt dt; in mdct_inverse_py() local
60 if (!PyArg_ParseTuple(args, "iiOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_inverse_py()
63 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
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()
35 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); in resample_py()
39 int ns = LC3_NS(dt, sr), nt = LC3_NT(dt); in resample_py()
41 int n = dt == LC3_DT_7M5 ? 96 : 128; 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()
63 CTYPES_CHECK("dt", dt < LC3_NUM_DT); 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 …]
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()
36 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
125 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
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Dtns_py.c29 unsigned dt, bw; in compute_lpc_coeffs_py() local
32 if (!PyArg_ParseTuple(args, "IIO", &dt, &bw, &x_obj)) in compute_lpc_coeffs_py()
35 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); in compute_lpc_coeffs_py()
38 int ne = LC3_NE(dt, bw); in compute_lpc_coeffs_py()
45 compute_lpc_coeffs(dt, bw, x, g, a); in compute_lpc_coeffs_py()
107 unsigned dt, bw; in analyze_py() local
112 if (!PyArg_ParseTuple(args, "IIpIO", &dt, &bw, &nn_flag, &nbytes, &x_obj)) in analyze_py()
115 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); in analyze_py()
118 int ne = LC3_NE(dt, bw); in analyze_py()
122 lc3_tns_analyze(dt, bw, nn_flag, nbytes, &data, x); in analyze_py()
[all …]
Dltpf.py27 def __init__(self, dt, sr, history = 0): argument
33 self.n = ((T.DT_MS[dt] * 128) / 10).astype(int)
34 self.d = [ 44, 24 ][dt]
36 self.x = np.zeros(self.w + T.NS[dt][sr])
129 def __init__(self, dt, sr): argument
131 self.dt = dt
139 def __init__(self, dt, sr): argument
141 super().__init__(dt, sr)
144 dt, sr, history = 232)
253 active = (self.dt == T.DT_10M or self.nc[1] > 0.94) \
[all …]
Ddecoder.py36 dt = { 7.5: T.DT_7M5, 10: T.DT_10M }[dt_ms]
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)
49 self.tns = tns.TnsSynthesis(dt)
50 self.sns = sns.SnsSynthesis(dt, sr)
51 self.ltpf = ltpf.LtpfSynthesis(dt, sr)
101 def check_appendix_c(dt): argument
[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()
37 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
36 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); 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()
34 CTYPES_CHECK("dt", (unsigned)dt < LC3_NUM_DT); in bwdet_run_py()
38 int bw = lc3_bwdet_run(dt, sr, e); in bwdet_run_py()
/liblc3-3.5.0-3.4.0/src/
Dlc3.c81 enum lc3_dt dt = resolve_dt(dt_us); 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()
133 enum lc3_dt dt = resolve_dt(dt_us); 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()
157 enum lc3_dt dt = encoder->dt; in load_s16() local
162 int ns = LC3_NS(dt, sr); in load_s16()
178 enum lc3_dt dt = encoder->dt; in load_s24() local
183 int ns = LC3_NS(dt, sr); in load_s24()
[all …]
Dcommon.h89 #define LC3_DT_US(dt) \ argument
90 ( (3 + (dt)) * 2500 )
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)) )
119 #define LC3_NH(dt, sr) \ argument
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Dspec.c50 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()
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
243 int i, ne = LC3_NE(dt, sr); in unquantize()
283 enum lc3_dt dt, enum lc3_srate sr, int nbytes, in compute_nbits() argument
286 int ne = LC3_NE(dt, sr); in compute_nbits()
384 enum lc3_dt dt, enum lc3_srate sr, int nbytes, in put_quantized() argument
387 int ne = LC3_NE(dt, sr); in put_quantized()
[all …]
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()
49 int iband_h = nb - 2*(2 - dt); in lc3_energy_compute()
50 const int *lim = lc3_band_lim[dt][sr]; in lc3_energy_compute()
Dtns.c32 static bool resolve_lpc_weighting(enum lc3_dt dt, int nbytes) in resolve_lpc_weighting() argument
34 return nbytes < (dt == LC3_DT_7M5 ? 360/8 : 480/8); in resolve_lpc_weighting()
59 enum lc3_dt dt, enum lc3_bandwidth bw, in compute_lpc_coeffs() argument
85 }[dt][bw]; in compute_lpc_coeffs()
256 enum lc3_dt dt, enum lc3_bandwidth bw, in forward_filtering() argument
260 int nf = LC3_NE(dt, bw) >> (nfilters - 1); in forward_filtering()
261 int i0, ie = 3*(3 + dt); in forward_filtering()
297 enum lc3_dt dt, enum lc3_bandwidth bw, in inverse_filtering() argument
301 int nf = LC3_NE(dt, bw) >> (nfilters - 1); in inverse_filtering()
302 int i0, ie = 3*(3 + dt); in inverse_filtering()
[all …]
Dtns.h57 void lc3_tns_analyze(enum lc3_dt dt, enum lc3_bandwidth bw,
87 enum lc3_dt dt, enum lc3_bandwidth bw, int nbytes, lc3_tns_data_t *data);
95 void lc3_tns_synthesize(enum lc3_dt dt, enum lc3_bandwidth bw,

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