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/liblc3-latest/python/tests/
Dbasic_test.py11 assert len(decoded_frame) == decoded_length
18 assert len(decoded_frame) == 480
33 assert len(encoded_frame) == 120
41 assert len(encoded_frame) == 120
/liblc3-latest/tables/
Dmktables.py95 if len(t) % 4:
155 if len(x) % 4:
191 h = h.reshape((len(h) // p, p)).T
195 for i in range(0, len(h), 192 // k):
196 for j in range(0, len(h[i]), 10):
209 h = h.reshape(len(h) // 4, 4).T
213 for i in range(len(h)):
Dfastmath.py42 y = [ fast_exp2(x[i], t, p) for i in range(len(x)) ]
82 y = [ fast_log2(x[i], p) for i in range(len(x)) ]
/liblc3-latest/test/
Dtns.py120 rc = np.append(self.rc - 8, np.zeros((2, 8 - len(self.rc[0]))), axis=1)
158 e = [ sum(x[S[s]:S[s+1]] ** 2) for s in range(len(S)-1) ]
160 for k in range(len(r) if sum(e) > 0 else 0):
162 for s in range(len(S)-1) ]
171 a = np.ones(len(r))
173 for k in range(1, len(a)):
187 return a * np.power(gamma, np.arange(len(a)))
191 rc = np.zeros(len(a)-1)
194 for k in range(len(rc), 0, -1):
208 rc_order = len(rc_i) - np.argmin(rc_i[::-1] == 8)
[all …]
Dbitstream.py25 self.bp_bw = len(data) - 1
36 for i in range(0, len(b), 20):
38 for x in b[i:min(i+20, len(b))] ))
76 val = len(cum_freqs) - 1
94 nbits = 8 * len(self.bytes)
172 nbits = 8 * len(self.bytes)
Ddecoder.py60 self.tns.load(b, bw, len(data))
71 x = self.spec.decode(b, bw, len(data))
92 x = self.synthesize(x, bw, pitch, len(data))
103 for i in range(len(C.BYTES_AC[i0])):
Dsns.py58 scf_i = np.empty(4*len(scf))
68 nb = len(self.I) - 1
93 y = np.empty(len(x))
116 if len(e) < 32:
117 n4 = round(abs(1-32/len(e))*len(e))
118 n2 = len(e) - n4
128 elif len(e) < 64:
129 n2 = 64 - len(e)
137 e_s = np.zeros(len(e))
150 e_p = np.fmax(e_p, noise_floor * np.ones(len(e)))
[all …]
Denergy.py34 for i in range(len(self.I)-1) ]
36 e_lo = np.sum(e[:len(e) - [2, 3, 4, 2][self.dt]])
37 e_hi = np.sum(e[len(e) - [2, 3, 4, 2][self.dt]:])
Dspec.py55 xq = np.append(xq[:lastnz], np.zeros(len(xq) - lastnz))
98 M1 = np.sum(np.arange(len(x)) * np.abs(x)) + 1e-5
104 e = [ np.sum(x[4*k:4*(k+1)] ** 2) for k in range(len(x) // 4) ]
163 lastnz = len(xq) - 2 * np.argmax(nz_pairs[-1::-1])
184 if n > len(x) // 2:
280 l_nf = sum(abs(x[:len(i_nf)] * i_nf)) / sum(i_nf) \
296 nbits_ari = np.ceil(np.log2(len(x) / 2)).astype(int)
374 if n > len(x) // 2:
429 for i in range(len(self.xg)):
440 nbits_residual = min(bits.get_bits_left(), len(lsbs))
[all …]
Dltpf.py53 if len(self.y) > 2*n + d:
55 if len(self.y) > n + d:
108 if len(self.y) > 2*n:
110 if len(self.y) > n:
189 rw = r * (1 - 0.5 * np.arange(len(r)) / (len(r) - 1))
193 k1 = min(len(r)-1, tc+4)
315 self.y = np.zeros(max_pitch + len(self.C_D[0]))
382 l_n = len(c_n[0])
383 l_d = len(c_d[0])
494 u = y[-k:len(C.X_TILDE_12K8D[i0][0])-k]
[all …]
Dsetup.py22 if len(sys.argv) <= 1:
Dmdct.py63 n = len(t)
84 n = len(x)
Dencoder.py111 for i in range(len(C.X_PCM[i0])):
Dattdet.py61 r = len(x) // mf
/liblc3-latest/python/tools/
Dspecgram.py69 y = np.empty(len(s) + frame_len)
71 for i in range(0, len(s), frame_len):
74 y[len(s):] = dec.decode(enc.encode(np.zeros(frame_len), frame_size))
75 y = y[delay_len:len(s)+delay_len]
/liblc3-latest/python/
Dlc3.py352 padding = max(pcm_len * ctypes.sizeof(pcm_t) - len(pcm), 0)
367 ret = self.lib.lc3_encode(encoder, pcm_fmt, pcm, nchannels, len(data), data)
510 data_size = len(data_buffer) // num_channels + int(
511 ich < len(data_buffer) % num_channels
517 decoder, buf, len(buf), pcm_fmt, pcm, self.num_channels
/liblc3-latest/src/
Dbits.c81 enum lc3_bits_mode mode, void *buffer, int len) in lc3_setup_bits() argument
93 .start = (uint8_t *)buffer, .end = (uint8_t *)buffer + len, in lc3_setup_bits()
94 .p_fw = (uint8_t *)buffer, .p_bw = (uint8_t *)buffer + len, in lc3_setup_bits()
Dbits.h127 enum lc3_bits_mode mode, void *buffer, int len);