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Searched refs:sr (Results 1 – 25 of 41) sorted by relevance

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/liblc3-latest/test/
Dbwdet.py47 def __init__(self, dt, sr): argument
50 self.sr = sr
55 sr = self.sr
61 for bw in range(sr):
62 i0 = BW_START[dt][sr][bw]
63 i1 = BW_STOP[dt][sr][bw]
71 if bw0 < sr:
73 i0 = BW_START[dt][sr][bw0] - l
74 i1 = BW_START[dt][sr][bw0]
78 bw = sr
[all …]
Dspec_py.c28 unsigned dt, sr; in estimate_gain_py() local
34 if (!PyArg_ParseTuple(args, "IIOiifi", &dt, &sr, in estimate_gain_py()
39 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in estimate_gain_py()
41 int ne = lc3_ne(dt, sr); in estimate_gain_py()
48 int g_int = estimate_gain(dt, sr, in estimate_gain_py()
56 unsigned dt, sr; in adjust_gain_py() local
59 if (!PyArg_ParseTuple(args, "IIiiii", &dt, &sr, in adjust_gain_py()
64 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in adjust_gain_py()
67 g_idx = adjust_gain(dt, sr, g_idx, nbits, nbits_budget, g_idx_min); in adjust_gain_py()
74 unsigned dt, sr; in quantize_py() local
[all …]
Dmdct_py.c28 unsigned dt, sr; in mdct_forward_py() local
32 if (!PyArg_ParseTuple(args, "IIOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_forward_py()
36 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in mdct_forward_py()
38 int ns = lc3_ns(dt, sr), nd = lc3_nd(dt, sr); in mdct_forward_py()
47 lc3_mdct_forward(dt, sr, sr, x, d, y); in mdct_forward_py()
54 unsigned dt, sr; in mdct_inverse_py() local
58 if (!PyArg_ParseTuple(args, "IIOO", &dt, &sr, &x_obj, &xd_obj)) in mdct_inverse_py()
62 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in mdct_inverse_py()
64 int ns = lc3_ns(dt, sr), nd = lc3_nd(dt, sr); in mdct_inverse_py()
73 lc3_mdct_inverse(dt, sr, sr, x, d, y); in mdct_inverse_py()
Dmdct.py39 def __init__(self, dt, sr): argument
41 self.ns = T.NS[dt][sr]
42 self.nd = T.ND[dt][sr]
45 self.w = Mdct.W[dt][sr]
50 def __init__(self, dt, sr): argument
52 super().__init__(dt, sr)
75 def __init__(self, dt, sr): argument
77 super().__init__(dt, sr)
103 def check_forward_unit(rng, dt, sr): argument
105 ns = T.NS[dt][sr]
[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(sr); 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)
67 sr = T.SRATE_16K
71 e = lc3.energy_compute(dt, sr, C.X[i0][0])[0]
[all …]
Dsns_py.c28 unsigned dt, sr; in compute_scale_factors_py() local
33 if (!PyArg_ParseTuple(args, "IIiOp", &dt, &sr, &nbytes, &eb_obj, &att)) in compute_scale_factors_py()
37 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in compute_scale_factors_py()
39 int nb = lc3_num_bands[dt][sr]; in compute_scale_factors_py()
44 compute_scale_factors(dt, sr, nbytes, eb, att, scf); in compute_scale_factors_py()
119 unsigned dt, sr; in spectral_shaping_py() local
123 if (!PyArg_ParseTuple(args, "IIOpO", &dt, &sr, &scf_q_obj, &inv, &x_obj)) in spectral_shaping_py()
127 CTYPES_CHECK("sr", sr < LC3_NUM_SRATE); in spectral_shaping_py()
129 int ne = lc3_ne(dt, sr); in spectral_shaping_py()
134 spectral_shaping(dt, sr, scf_q, inv, x, x); in spectral_shaping_py()
[all …]
Dspec.py31 def __init__(self, dt, sr): argument
34 self.sr = sr
38 sr_ind = self.sr if self.sr < T.SRATE_48K_HR \
39 else 4 + (self.sr - T.SRATE_48K_HR)
43 if self.sr >= T.SRATE_48K_HR:
63 def __init__(self, dt, sr): argument
65 super().__init__(dt, sr)
82 hr = (self.sr >= T.SRATE_48K_HR)
87 sr = self.sr
95 bitrate // 12500 + C[sr - T.SRATE_48K_HR][dt], 6, 23)
[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_8K, T.SRATE_48K + 1):
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 …]
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)
143 self.resampler_12k8 = Resampler_12k8(dt, sr,
[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", sr < LC3_NUM_SRATE); in energy_compute_py()
40 int ns = lc3_ns(dt, sr); in energy_compute_py()
43 e_obj = new_1d_ptr(NPY_FLOAT, lc3_num_bands[dt][sr], &e); in energy_compute_py()
45 int nn_flag = lc3_energy_compute(dt, sr, x, e); in energy_compute_py()
Ddecoder.py35 sr = { 8000: T.SRATE_8K , 16000: T.SRATE_16K, 24000: T.SRATE_24K,
38 self.sr = sr
39 self.ne = T.NE[dt][sr]
40 self.ns = T.NS[dt][sr]
42 self.mdct = mdct.MdctInverse(dt, sr)
44 self.bwdet = bwdet.BandwidthDetector(dt, sr)
45 self.spec = spec.SpectrumSynthesis(dt, sr)
47 self.sns = sns.SnsSynthesis(dt, sr)
48 self.ltpf = ltpf.LtpfSynthesis(dt, sr)
55 if bw > self.sr:
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", sr < LC3_NUM_SRATE); in bwdet_run_py()
38 int bw = lc3_bwdet_run(dt, sr, e); in bwdet_run_py()
Dencoder.py36 sr = { 8000: T.SRATE_8K , 16000: T.SRATE_16K, 24000: T.SRATE_24K,
39 self.ne = T.NE[dt][sr]
41 self.attdet = attdet.AttackDetector(dt, sr)
42 self.ltpf = ltpf.LtpfAnalysis(dt, sr)
44 self.mdct = mdct.MdctForward(dt, sr)
45 self.energy = energy.EnergyBand(dt, sr)
46 self.bwdet = bwdet.BandwidthDetector(dt, sr)
47 self.sns = sns.SnsAnalysis(dt, sr)
49 self.spec = spec.SpectrumAnalysis(dt, sr)
Dsns.py27 def __init__(self, dt, sr): argument
30 self.sr = sr
31 self.I = T.I[dt][sr]
104 def __init__(self, dt, sr): argument
106 super().__init__(dt, sr)
111 sr = self.sr
112 hr = self.sr >= T.SRATE_48K_HR
144 g_tilt = [ 14, 18, 22, 26, 30, 30, 34 ][self.sr]
377 def __init__(self, dt, sr): argument
379 super().__init__(dt, sr)
[all …]
/liblc3-latest/src/
Dtables.h46 static inline int lc3_ns(enum lc3_dt dt, enum lc3_srate sr) { in lc3_ns() argument
47 return lc3_ns_2m5[sr] * (1 + dt); in lc3_ns()
50 static inline int lc3_ne(enum lc3_dt dt, enum lc3_srate sr) { in lc3_ne() argument
51 return lc3_ne_2m5[sr] * (1 + dt); in lc3_ne()
54 static inline int lc3_nd(enum lc3_dt dt, enum lc3_srate sr) { in lc3_nd() argument
55 return ( lc3_ns(dt, sr) + in lc3_nd()
56 (dt == LC3_DT_7M5 ? lc3_ns_4m[sr] : lc3_ns_2m5[sr]) ) >> 1; in lc3_nd()
59 static inline int lc3_nh(enum lc3_dt dt, enum lc3_srate sr) { in lc3_nh() argument
60 return sr > LC3_SRATE_48K_HR ? 0 : in lc3_nh()
61 (8 + (dt == LC3_DT_7M5)) * lc3_ns_2m5[sr]; in lc3_nh()
[all …]
Dlc3.c92 enum lc3_srate sr = resolve_srate(sr_hz, hrmode); in lc3_hr_frame_samples() local
94 if (dt >= LC3_NUM_DT || sr >= LC3_NUM_SRATE) in lc3_hr_frame_samples()
97 return lc3_ns(dt, sr); in lc3_hr_frame_samples()
112 enum lc3_srate sr = resolve_srate(sr_hz, hrmode); in lc3_hr_frame_block_bytes() local
114 if (dt >= LC3_NUM_DT || sr >= LC3_NUM_SRATE in lc3_hr_frame_block_bytes()
121 nchannels * lc3_min_frame_bytes(dt, sr), in lc3_hr_frame_block_bytes()
122 nchannels * lc3_max_frame_bytes(dt, sr) ); in lc3_hr_frame_block_bytes()
148 enum lc3_srate sr = resolve_srate(sr_hz, hrmode); in lc3_hr_resolve_bitrate() local
150 if (dt >= LC3_NUM_DT || sr >= LC3_NUM_SRATE || nbytes < 0) in lc3_hr_resolve_bitrate()
167 enum lc3_srate sr = resolve_srate(sr_hz, hrmode); in lc3_hr_delay_samples() local
[all …]
Dbwdet.c26 enum lc3_dt dt, enum lc3_srate sr, const float *e) in lc3_bwdet_run() argument
82 enum lc3_bandwidth bwn = (enum lc3_bandwidth)sr; in lc3_bwdet_run()
84 if (bwn <= bw0 || lc3_hr(sr)) in lc3_bwdet_run()
125 int lc3_bwdet_get_nbits(enum lc3_srate sr) in lc3_bwdet_get_nbits() argument
127 return lc3_hr(sr) ? 0 : (sr > 0) + (sr > 1) + (sr > 3); in lc3_bwdet_get_nbits()
134 enum lc3_srate sr, enum lc3_bandwidth bw) in lc3_bwdet_put_bw() argument
136 int nbits_bw = lc3_bwdet_get_nbits(sr); in lc3_bwdet_put_bw()
145 enum lc3_srate sr, enum lc3_bandwidth *bw) in lc3_bwdet_get_bw() argument
147 enum lc3_bandwidth max_bw = (enum lc3_bandwidth)sr; in lc3_bwdet_get_bw()
148 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 sr_ind = lc3_hr(sr) ? 4 + (sr - LC3_SRATE_48K_HR) : sr; in resolve_gain_offset()
38 return LC3_MIN(sr >= LC3_SRATE_96K_HR ? 181 : 255, in resolve_gain_offset()
83 enum lc3_dt dt, enum lc3_srate sr, const float *x, in estimate_gain() argument
87 int n4 = lc3_ne(dt, sr) / 4; in estimate_gain()
95 if (lc3_hr(sr)) { in estimate_gain()
100 }[dt][sr - LC3_SRATE_48K_HR]; in estimate_gain()
137 float nf = lc3_hr(sr) ? in estimate_gain()
174 float x_lim = lc3_hr(sr) ? 0x7fffp8f : 0x7fffp0f; in estimate_gain()
198 enum lc3_dt dt, enum lc3_srate sr, in adjust_gain() argument
[all …]
Dbwdet.h33 enum lc3_dt dt, enum lc3_srate sr, const float *e);
40 int lc3_bwdet_get_nbits(enum lc3_srate sr);
49 enum lc3_srate sr, enum lc3_bandwidth bw);
59 enum lc3_srate sr, enum lc3_bandwidth *bw);
Dspec.h52 enum lc3_dt dt, enum lc3_srate sr, int nbytes,
63 enum lc3_dt dt, enum lc3_srate sr, const lc3_spec_side_t *side);
73 enum lc3_dt dt, enum lc3_srate sr, enum lc3_bandwidth bw,
89 enum lc3_dt dt, enum lc3_srate sr, lc3_spec_side_t *side);
101 enum lc3_dt dt, enum lc3_srate sr, enum lc3_bandwidth bw,
Dattdet.c25 bool lc3_attdet_run(enum lc3_dt dt, enum lc3_srate sr, in lc3_attdet_run() argument
35 if (dt < LC3_DT_7M5 || sr < LC3_SRATE_32K || lc3_hr(sr) || in lc3_attdet_run()
36 nbytes < nbytes_ranges[dt - LC3_DT_7M5][sr - LC3_SRATE_32K][0] || in lc3_attdet_run()
37 nbytes > nbytes_ranges[dt - LC3_DT_7M5][sr - LC3_SRATE_32K][1] ) in lc3_attdet_run()
48 if (sr == LC3_SRATE_32K) { in lc3_attdet_run()
Denergy.c27 enum lc3_dt dt, enum lc3_srate sr, const float *x, float *e) in lc3_energy_compute() argument
29 int nb = lc3_num_bands[dt][sr]; in lc3_energy_compute()
30 const int *lim = lc3_band_lim[dt][sr]; in lc3_energy_compute()
/liblc3-latest/include/
Dlc3.h209 #define LC3_CHECK_SR_HZ(sr) \ argument
210 ( ((sr) == 8000) || ((sr) == 16000) || ((sr) == 24000) || \
211 ((sr) == 32000) || ((sr) == 48000) )
213 #define LC3_HR_CHECK_SR_HZ(hrmode, sr) \ argument
214 ( (hrmode) ? ((sr) == 48000) || ((sr) == 96000) : LC3_CHECK_SR_HZ(sr) )

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