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Searched refs:scf (Results 1 – 3 of 3) sorted by relevance

/liblc3-latest/src/
Dsns.c156 const float *eb, bool att, float *scf) in compute_scale_factors() argument
331 scf[0] = (e[0] + e[4]) * 1.f/12 + in compute_scale_factors()
334 scf_sum = scf[0]; in compute_scale_factors()
337 scf[i] = (e[4*i-1] + e[4*i+4]) * 1.f/12 + in compute_scale_factors()
340 scf_sum += scf[i]; in compute_scale_factors()
343 scf[15] = (e[59] + e[63]) * 1.f/12 + in compute_scale_factors()
346 scf_sum += scf[15]; in compute_scale_factors()
354 scf[i] = cf * (scf[i] - scf_sum * 1.f/16); in compute_scale_factors()
361 float s0, s1 = scf[0], s2 = scf[1], s3 = scf[2], s4 = scf[3]; in compute_scale_factors()
364 scf[0] = (sn += s3) * 1.f/3; in compute_scale_factors()
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/liblc3-latest/test/
Dsns.py54 def spectral_shaping(self, scf, inv, x): argument
58 scf_i = np.empty(4*len(scf))
59 scf_i[0 ] = scf[0]
60 scf_i[1 ] = scf[0]
61 scf_i[2:62:4] = scf[:15] + 1/8 * (scf[1:] - scf[:15])
62 scf_i[3:63:4] = scf[:15] + 3/8 * (scf[1:] - scf[:15])
63 scf_i[4:64:4] = scf[:15] + 5/8 * (scf[1:] - scf[:15])
64 scf_i[5:64:4] = scf[:15] + 7/8 * (scf[1:] - scf[:15])
65 scf_i[62 ] = scf[15 ] + 1/8 * (scf[15] - scf[14 ])
66 scf_i[63 ] = scf[15 ] + 3/8 * (scf[15] - scf[14 ])
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Dsns_py.c31 float *eb, *scf; in compute_scale_factors_py() local
42 scf_obj = new_1d_ptr(NPY_FLOAT, 16, &scf); in compute_scale_factors_py()
44 compute_scale_factors(dt, sr, nbytes, eb, att, scf); in compute_scale_factors_py()
52 float *scf; in resolve_codebooks_py() local
58 CTYPES_CHECK("eb", to_1d_ptr(scf_obj, NPY_FLOAT, 16, &scf)); in resolve_codebooks_py()
60 resolve_codebooks(scf, &lfcb_idx, &hfcb_idx); in resolve_codebooks_py()
68 float *scf; in quantize_py() local
78 CTYPES_CHECK("scf", to_1d_ptr(scf_obj, NPY_FLOAT, 16, &scf)); in quantize_py()
85 quantize(scf, lfcb_idx, hfcb_idx, in quantize_py()
96 float *y, *scf; in unquantize_py() local
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