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Searched refs:noise (Results 26 - 50 of 334) sorted by relevance

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/kernel/linux/linux-6.6/drivers/media/dvb-frontends/
H A Dor51132.c229 /* Auto CH, Auto NTSC rej, MPEGser, MPEG2tr, phase noise-high */ in or51132_setmode()
237 Auto-deinterleave; MPEGser, MPEG2tr, phase noise-high in or51132_setmode()
461 int noise, reg; in or51132_read_snr() local
467 noise = or51132_readreg(state, 0x02); in or51132_read_snr()
468 if (noise < 0) { in or51132_read_snr()
472 dprintk("read_snr noise (%d)\n", noise); in or51132_read_snr()
500 /* Calculate SNR using noise, c, and NTSC rejection correction */ in or51132_read_snr()
501 state->snr = calculate_snr(noise, c) - usK; in or51132_read_snr()
504 dprintk("%s: noise in or51132_read_snr()
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/kernel/linux/linux-6.6/drivers/net/wireless/mediatek/mt76/
H A Dmt792x_mac.c241 if (!phy->noise) in mt792x_phy_update_channel()
242 phy->noise = nf << 4; in mt792x_phy_update_channel()
244 phy->noise += nf - (phy->noise >> 4); in mt792x_phy_update_channel()
251 state->noise = -(phy->noise >> 4); in mt792x_phy_update_channel()
/third_party/pulseaudio/speex/tmv/
H A Dpreprocess_tm.h527 float * restrict noise, in compute_gain_floor()
549 noisei = noise[i]; in compute_gain_floor()
567 static void compute_gain_floor(int noise_suppress, int effective_echo_suppress, spx_word32_t *noise, spx_word32_t *echo, spx_word16_t *gain_floor, int len);
627 register spx_word32_t * restrict noise = st->noise; in preprocess_update_noise() local
638 { register spx_word32_t ni = noise[i]; in preprocess_update_noise()
642 { noise[i] = MAX32(EXTEND32(0),MULT16_32_Q15(beta_1,ni) + in preprocess_update_noise()
650 filterbank_compute_bank32(st->bank, noise, noise+N); in preprocess_update_noise()
659 register spx_word32_t * restrict noise in preprocess_compute_SNR() local
524 compute_gain_floor( int noise_suppress, int effective_echo_suppress, float * restrict noise, float * restrict echo, float * gain_floor, int len ) compute_gain_floor() argument
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/kernel/linux/linux-5.10/drivers/media/pci/cx88/
H A Dcx88-dsp.c142 /* The last 192 samples are enough for noise detection */ in noise_magnitude()
159 s32 carrier, stereo, dual, noise; in detect_a2_a2m_eiaj() local
189 noise = noise_magnitude(x, N, FREQ_NOISE_START, FREQ_NOISE_END); in detect_a2_a2m_eiaj()
192 "detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, noise=%d\n", in detect_a2_a2m_eiaj()
193 carrier, stereo, dual, noise); in detect_a2_a2m_eiaj()
208 * so we probably don't need noise detection in detect_a2_a2m_eiaj()
216 (noise < 10) && in detect_a2_a2m_eiaj()
/kernel/linux/linux-6.6/drivers/media/pci/cx88/
H A Dcx88-dsp.c142 /* The last 192 samples are enough for noise detection */ in noise_magnitude()
159 s32 carrier, stereo, dual, noise; in detect_a2_a2m_eiaj() local
189 noise = noise_magnitude(x, N, FREQ_NOISE_START, FREQ_NOISE_END); in detect_a2_a2m_eiaj()
192 "detect a2/a2m/eiaj: carrier=%d, stereo=%d, dual=%d, noise=%d\n", in detect_a2_a2m_eiaj()
193 carrier, stereo, dual, noise); in detect_a2_a2m_eiaj()
208 * so we probably don't need noise detection in detect_a2_a2m_eiaj()
216 (noise < 10) && in detect_a2_a2m_eiaj()
/third_party/python/Lib/test/
H A Dtest_binascii.py92 noise = fillers
93 ratio = len(line) // len(noise)
95 while line and noise:
96 if len(line) // len(noise) > ratio:
99 c, noise = noise[0], noise[1:]
101 return res + noise + line
/third_party/ffmpeg/libswresample/
H A Ddither_template.c54 const float *noise = ((const float *)noises->ch[ch]) + s->dither.noise_pos; in swri_noise_shaping() local
71 d1 = rint(d + noise[i]); in swri_noise_shaping()
/third_party/ffmpeg/libavcodec/
H A Ddss_sp.c600 int32_t noise[72]; in dss_sp_sf_synthesis() local
655 noise[0] = av_clip_int16(tmp); in dss_sp_sf_synthesis()
658 tmp = (bias + 32358 * noise[i - 1]) >> 15; in dss_sp_sf_synthesis()
659 noise[i] = av_clip_int16(tmp); in dss_sp_sf_synthesis()
662 p->noise_state = noise[size - 1]; in dss_sp_sf_synthesis()
664 tmp = (p->vector_buf[i] * noise[i]) >> 11; in dss_sp_sf_synthesis()
/kernel/linux/linux-5.10/drivers/net/wireless/realtek/rtl818x/rtl8187/
H A Drtl8187.h46 u8 noise; member
136 u8 noise; member
/kernel/linux/linux-6.6/drivers/net/wireless/realtek/rtl818x/rtl8187/
H A Drtl8187.h46 u8 noise; member
136 u8 noise; member
/kernel/linux/linux-6.6/kernel/trace/
H A Dtrace_osnoise.c313 u64 noise; /* noise */ member
314 u64 max_sample; /* max single noise sample */
506 entry->noise = sample->noise; in __trace_osnoise_sample()
874 * occurrence, compute the noise caused by the NMI, and to remove the noise
937 * Computes the duration of the IRQ noise, and trace it. Also discounts the
938 * interference from other sources of noise could be currently being accounted.
1068 * Computes the duration of the softirq noise, an
1420 s64 noise = 0, max_noise = 0; run_osnoise() local
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/kernel/linux/linux-5.10/drivers/staging/rtl8723bs/hal/
H A Dodm_NoiseMonitor.h18 /* s32 noise[ODM_RF_PATH_MAX]; */
28 s8 noise[MAX_RF_PATH]; member
/kernel/linux/linux-5.10/drivers/net/wireless/ath/ath9k/
H A Dcalib.c75 s8 noise = ATH_DEFAULT_NOISE_FLOOR; in ath9k_hw_getchan_noise() local
81 noise += delta; in ath9k_hw_getchan_noise()
83 return noise; in ath9k_hw_getchan_noise()
133 * Normally we limit the average noise floor by the in ath9k_hw_update_nfcal_hist_buffer()
145 * If the noise floor seems normal for all chains, assume that in ath9k_hw_update_nfcal_hist_buffer()
272 /* Try to get calibrated noise floor value */ in ath9k_hw_loadnf()
352 * of next noise floor calibration the baseband does. in ath9k_hw_loadnf()
425 "noise floor failed detected; detected %d, threshold %d\n", in ath9k_hw_getnf()
438 ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); in ath9k_hw_getnf()
473 * Triggering a noise floo in ath9k_hw_bstuck_nfcal()
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/kernel/linux/linux-5.10/drivers/net/wireless/intersil/orinoco/
H A Dhermes.h263 __le16 noise; /* Noise level */ member
279 __le16 noise; /* Noise level */ member
293 __le16 noise; /* Noise level */ member
320 u8 noise; member
/kernel/linux/linux-5.10/drivers/net/wireless/intersil/prism54/
H A Dislpci_eth.c280 avs->ssi_noise = cpu_to_be32(priv->local_iwstatistics.qual.noise); /*better than 'undefined', I assume */ in islpci_monitor_rx()
370 /* The noise value can be a bit outdated if nobody's in islpci_eth_receive()
372 wstats.noise = priv->local_iwstatistics.qual.noise; in islpci_eth_receive()
373 wstats.qual = wstats.level - wstats.noise; in islpci_eth_receive()
/kernel/linux/linux-5.10/drivers/staging/wlan-ng/
H A Dp80211conv.c245 wlandev->spy_stat[i].noise = rxmeta->noise; in orinoco_spy_gather()
248 rxmeta->noise) ? (rxmeta->signal - in orinoco_spy_gather()
249 rxmeta->noise) : 0; in orinoco_spy_gather()
496 /* jkriegl: process signal and noise as set in hfa384x_int_rx() */ in skb_p80211_to_ether()
497 /* jkriegl: only process signal/noise if requested by iwspy */ in skb_p80211_to_ether()
/kernel/linux/linux-6.6/drivers/staging/wlan-ng/
H A Dp80211conv.c224 wlandev->spy_stat[i].noise = rxmeta->noise; in orinoco_spy_gather()
227 rxmeta->noise) ? (rxmeta->signal - in orinoco_spy_gather()
228 rxmeta->noise) : 0; in orinoco_spy_gather()
475 /* jkriegl: process signal and noise as set in hfa384x_int_rx() */ in skb_p80211_to_ether()
476 /* jkriegl: only process signal/noise if requested by iwspy */ in skb_p80211_to_ether()
/kernel/linux/linux-6.6/drivers/net/wireless/ath/ath9k/
H A Dcalib.c75 s8 noise = ATH_DEFAULT_NOISE_FLOOR; in ath9k_hw_getchan_noise() local
81 noise += delta; in ath9k_hw_getchan_noise()
83 return noise; in ath9k_hw_getchan_noise()
133 * Normally we limit the average noise floor by the in ath9k_hw_update_nfcal_hist_buffer()
145 * If the noise floor seems normal for all chains, assume that in ath9k_hw_update_nfcal_hist_buffer()
272 /* Try to get calibrated noise floor value */ in ath9k_hw_loadnf()
352 * of next noise floor calibration the baseband does. in ath9k_hw_loadnf()
425 "noise floor failed detected; detected %d, threshold %d\n", in ath9k_hw_getnf()
438 ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor); in ath9k_hw_getnf()
473 * Triggering a noise floo in ath9k_hw_bstuck_nfcal()
[all...]
/kernel/linux/linux-6.6/drivers/net/wireless/intersil/orinoco/
H A Dhermes.h263 __le16 noise; /* Noise level */ member
279 __le16 noise; /* Noise level */ member
293 __le16 noise; /* Noise level */ member
320 u8 noise; member
/third_party/ffmpeg/libavcodec/x86/
H A Dmlpdsp.asm82 movzx noised, byte [blsbs_ptrq] ; load *bypassed_lsbs (reuse tmp noise register)
146 ausp, mask, cnt, noise
153 index2, accum, ausp, mask, cnt, noise
157 index2, accum, ausp, mask, cnt, noise
/third_party/ffmpeg/tests/fate/
H A Ddvvideo.mak2 fate-bsf-dv-error-marker: CMD = md5 -i $(TARGET_SAMPLES)/dv/dvcprohd_720p50.mov -flags +bitexact -fflags +bitexact -c:v copy -bsf noise=100,dv_error_marker=color=blue -f avi
/kernel/linux/linux-5.10/fs/jffs2/
H A Dscan.c27 #define noisy_printk(noise, fmt, ...) \
29 if (*(noise)) { \
31 (*(noise))--; \
32 if (!(*(noise))) \
452 int noise = 0; in jffs2_scan_eraseblock() local
610 noise = 10; in jffs2_scan_eraseblock()
749 noisy_printk(&noise, "%s(): Magic bitmask 0x%04x not found at 0x%08x: 0x%04x instead\n", in jffs2_scan_eraseblock()
765 noisy_printk(&noise, "%s(): Node at 0x%08x {0x%04x, 0x%04x, 0x%08x) has invalid CRC 0x%08x (calculated 0x%08x)\n", in jffs2_scan_eraseblock()
/kernel/linux/linux-6.6/fs/jffs2/
H A Dscan.c27 #define noisy_printk(noise, fmt, ...) \
29 if (*(noise)) { \
31 (*(noise))--; \
32 if (!(*(noise))) \
452 int noise = 0; in jffs2_scan_eraseblock() local
610 noise = 10; in jffs2_scan_eraseblock()
749 noisy_printk(&noise, "%s(): Magic bitmask 0x%04x not found at 0x%08x: 0x%04x instead\n", in jffs2_scan_eraseblock()
765 noisy_printk(&noise, "%s(): Node at 0x%08x {0x%04x, 0x%04x, 0x%08x) has invalid CRC 0x%08x (calculated 0x%08x)\n", in jffs2_scan_eraseblock()
/kernel/linux/linux-5.10/drivers/net/wireguard/
H A DMakefile4 wireguard-y += noise.o
/kernel/linux/linux-6.6/drivers/net/wireguard/
H A DMakefile4 wireguard-y += noise.o

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