| /liblc3-latest/src/ |
| D | bits.h | 85 struct lc3_ac_symbol s[17]; member
163 const struct lc3_ac_model *model, unsigned s);
259 struct lc3_bits *bits, const struct lc3_ac_model *model, unsigned s) in lc3_put_symbol() argument
261 const struct lc3_ac_symbol *symbols = model->s; in lc3_put_symbol()
265 ac->low += range * symbols[s].low; in lc3_put_symbol()
266 ac->range = range * symbols[s].range; in lc3_put_symbol()
281 const struct lc3_ac_symbol *symbols = model->s; in lc3_get_symbol()
290 int s = 16; in lc3_get_symbol() local
292 if (ac->low < range * symbols[s].low) { in lc3_get_symbol()
293 s >>= 1; in lc3_get_symbol()
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| D | fastmath.h | 46 union { float f; int32_t s; } x = { .f = _x }; in lc3_ldexpf() member
48 if (x.s & LC3_IEEE754_EXP_MASK) in lc3_ldexpf()
49 x.s += exp << LC3_IEEE754_EXP_SHL; in lc3_ldexpf()
97 volatile union { float f; int32_t s; } v; in lc3_exp2f() member
100 int k = v.s; in lc3_exp2f()
107 union { float f; int32_t s; } y; in lc3_exp2f() member
117 y.s += (k >> 3) << LC3_IEEE754_EXP_SHL; in lc3_exp2f()
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| D | tns.c | 133 for (int s = 0; s < nsubdivisions; s++) { in compute_lpc_coeffs() local
137 c[k][s] = dot(xs, xs + k, (xe - xs) - k); in compute_lpc_coeffs()
310 float s[8] = { 0 }; in forward_filtering() local
325 s0 = s[k]; in forward_filtering()
326 s[k] = s1; in forward_filtering()
352 float s[8] = { 0 }; in inverse_filtering() local
365 xi -= s[7] * rc[f][7]; in inverse_filtering()
367 xi -= s[k] * rc[f][k]; in inverse_filtering()
368 s[k+1] = s[k] + rc[f][k] * xi; in inverse_filtering()
370 s[0] = xi; in inverse_filtering()
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| D | spec.c | 354 int s = (a != 0) + (b != 0); in compute_nbits() local
355 nbits += s * 2048; in compute_nbits()
389 if (s && nbits <= nbits_budget) { in compute_nbits()
526 unsigned s = lc3_get_symbol(bits, lc3_spectrum_models + lut[k]); in get_quantized() local
528 if (lsb_mode && s >= 16) { in get_quantized()
529 s = lc3_get_symbol(bits, lc3_spectrum_models + lut[++k]); in get_quantized()
533 for ( ; s >= 16 && shl < max_shl; shl++) { in get_quantized()
538 s = lc3_get_symbol(bits, lc3_spectrum_models + lut[k]); in get_quantized()
541 if (s >= 16) in get_quantized()
546 int a = s % 4; in get_quantized()
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| D | lc3.c | 481 int32_t s = *xs >= 0 ? (int)(*xs + 0.5f) : (int)(*xs - 0.5f); in store_s16() local
482 *pcm = LC3_SAT16(s); in store_s16()
503 int32_t s = *xs >= 0 ? (int32_t)(lc3_ldexpf(*xs, 8) + 0.5f) in store_s24() local
505 *pcm = LC3_SAT24(s); in store_s24()
526 int32_t s = *xs >= 0 ? (int32_t)(lc3_ldexpf(*xs, 8) + 0.5f) in store_s24_3le() local
529 s = LC3_SAT24(s); in store_s24_3le()
530 pcm[0] = (s >> 0) & 0xff; in store_s24_3le()
531 pcm[1] = (s >> 8) & 0xff; in store_s24_3le()
532 pcm[2] = (s >> 16) & 0xff; in store_s24_3le()
553 float s = lc3_ldexpf(*xs, -15); in store_float() local
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| /liblc3-latest/python/tools/ |
| D | specgram.py | 62 s = signal.chirp(t, f0=10, f1=fs/2, t1=t[-1], phi=-90, method='linear') variable
69 y = np.empty(len(s) + frame_len)
71 for i in range(0, len(s), frame_len):
72 y[i:i+frame_len] = dec.decode(enc.encode(s[i:i+frame_len], frame_size))
74 y[len(s):] = dec.decode(enc.encode(np.zeros(frame_len), frame_size))
75 y = y[delay_len:len(s)+delay_len]
82 for (ax, s) in [(ax1, s), (ax2, y)]:
83 ax.specgram(s, Fs=fs, NFFT=NFFT, pad_to=4*NFFT, noverlap=NFFT//2,
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| /liblc3-latest/include/ |
| D | lc3_cpp.h | 132 auto s = state_ptr((lc3_encoder_t) in Base() local
135 if (lc3_hr_setup_encoder(hrmode_, dt_us_, sr_hz_, sr_pcm_hz_, s.get())) in Base()
136 states.push_back(std::move(s)); in Base()
145 for (auto &s : states) in Reset()
146 lc3_hr_setup_encoder(hrmode_, dt_us_, sr_hz_, sr_pcm_hz_, s.get()); in Reset()
240 auto s = state_ptr((lc3_decoder_t) in Base() local
243 if (lc3_hr_setup_decoder(hrmode_, dt_us_, sr_hz_, sr_pcm_hz_, s.get())) in Base()
244 states.push_back(std::move(s)); in Base()
253 for (auto &s : states) in Reset()
254 lc3_hr_setup_decoder(hrmode_, dt_us_, sr_hz_, sr_pcm_hz_, s.get()); in Reset()
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| /liblc3-latest/tools/ |
| D | wave.c | 27 #define __WAVE_ID(s) \ argument
28 (uint32_t)( s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24) )
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| /liblc3-latest/ |
| D | Makefile | 86 $(patsubst %.s,%.o,$(filter %.s,$($(1)_src))) \
139 $(BUILD_DIR)/%.o: %.s $(MAKEFILE_DEPS)
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| D | CONTRIBUTING.md | 27 This project follows [Google's Open Source Community
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| D | LICENSE | 81 Contribution(s) alone or by combination of their Contribution(s)
82 with the Work to which such Contribution(s) was submitted. If You
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| /liblc3-latest/test/ |
| D | tns.py | 158 e = [ sum(x[S[s]:S[s+1]] ** 2) for s in range(len(S)-1) ]
161 c = [ np.dot(x[S[s]:S[s+1]-k], x[S[s]+k:S[s+1]])
162 for s in range(len(S)-1) ]
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| D | ltpf.py | 221 s = [ np.dot( np.take(r, e-k0+4 + m), np.take(h, 4*m-d) ) \
224 f = np.argmax(s[3:]) if e <= 32 else \
225 -3 + np.argmax(s) if e < 127 else \
226 -2 + 2*np.argmax(s[1:-1:2]) if e < 157 else 0
519 s = signal.chirp(t, f0=10, f1=2500, t1=t[-1], method='logarithmic')
523 x = s[i*ns:(i+1)*ns] * (2 ** 15 - 1)
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| D | spec.py | 502 s = t + min(lev, 3) * 1024
505 T.AC_SPEC_CUMFREQ[T.AC_SPEC_LOOKUP[s]],
506 T.AC_SPEC_FREQ[T.AC_SPEC_LOOKUP[s]])
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| /liblc3-latest/fuzz/ |
| D | efuzz.cc | 43 for (auto &s: pcm) in encode() local
44 s = ConsumeInRange<T>(fdp, min, max); in encode()
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| /liblc3-latest/python/ |
| D | LICENSE | 81 Contribution(s) alone or by combination of their Contribution(s)
82 with the Work to which such Contribution(s) was submitted. If You
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