Searched full:noise (Results 1 – 25 of 115) sorted by relevance
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| /Documentation/tools/rtla/ |
| D | rtla-hwnoise.rst | 7 Detect and quantify hardware-related noise
23 noise is allowed.
41 The tool is set to detect any noise higher than *one microsecond*,
46 Hardware-related Noise
48 …CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NMI
60 the tool effectively runs on the CPU. The *Noise* column is the sum of
61 all noise that the tool observed, and the *% CPU Aval* is the relation
62 between the *Runtime* and *Noise*.
64 The *Max Noise* column is the maximum hardware noise the tool detected in a
65 single period, and the *Max Single* is the maximum single noise seen.
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| D | rtla-osnoise.rst | 5 Measure the operating system noise
20 a summary of the noise of the operating system, including the counters of
22 for each noise via the **osnoise:** tracepoints. The **rtla osnoise top**
24 The **rtla osnoise hist** mode displays information about the noise using
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| D | rtla-osnoise-top.rst | 5 Display a summary of the operating system noise
42 Operating System Noise
44 …CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NM…
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| D | common_osnoise_description.rst | 4 allowing all the sources of operating system noise during its execution.
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| /Documentation/trace/ |
| D | osnoise-tracer.rst | 6 Noise (*osnoise*) refers to the interference experienced by an application
8 NMIs, IRQs, SoftIRQs, and any other system thread can cause noise to the
9 system. Moreover, hardware-related jobs can also cause noise, for example,
13 source of noise: *hardware noise*.
36 events. When a noise happens without any interference from the operating
37 system level, the hardware noise counter increases, pointing to a
38 hardware-related noise. In this way, osnoise can account for any
40 prints the sum of all noise, the max single noise, the percentage of CPU
41 available for the thread, and the counters for the noise sources.
64 …# |||| RUNTIME NOISE % OF CPU NOISE +-------…
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| /Documentation/sound/soc/ |
| D | pops-clicks.rst | 8 powered up and causes a popping noise on the speakers).
48 Zipper Noise
50 An unwanted zipper noise can occur within the audio playback or capture stream
51 when a volume control is changed near its maximum gain value. The zipper noise
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| /Documentation/ABI/testing/ |
| D | sysfs-bus-iio-adc-mcp3564 | 32 conversions, which is on the order of magnitude of the noise
45 1/f noise into the system that can be modulated with the
49 greatly reduces (cancels out) the 1/f noise and cancels the
51 the system is not affected by this 1/f noise component of the
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| D | sysfs-bus-iio-adc-ad4130 | 7 * "sinc4" - Sinc 4. Excellent noise performance. Long
14 Good noise performance.
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| D | sysfs-bus-iio-proximity-as3935 | 14 When 1 the noise level is over the trip level and not reporting
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| /Documentation/userspace-api/media/drivers/ |
| D | thp7312.rst | 35 Enable/Disable auto noise reduction.
38 Set the noise reduction strength, where 0 is the weakest and 10 is the
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| /Documentation/userspace-api/media/dvb/ |
| D | fe-read-snr.rst | 31 The signal-to-noise ratio is stored into \*snr.
36 This ioctl call returns the signal-to-noise ratio for the signal
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| D | frontend.rst | 26 - Low noise amplifier (LNA)
44 the Intermediate Frequency IF) of the Low Noise Block Converter Feed
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| /Documentation/devicetree/bindings/input/touchscreen/ |
| D | tsc2007.txt | 16 If set, it will permit noise in the data up to +- the value given to the fuzz
17 parameter, that is used to filter noise from the event stream.
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| D | touchscreen.yaml | 48 description: horizontal noise value of the absolute input device (in pixels)
52 description: vertical noise value of the absolute input device (in pixels)
56 description: pressure noise value of the absolute input device (arbitrary
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| D | brcm,iproc-touchscreen.txt | 55 - touchscreen-fuzz-x: horizontal noise value of the absolute input
57 - touchscreen-fuzz-y: vertical noise value of the absolute input
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| D | hycon,hy46xx.yaml | 64 hycon,noise-filter-enable:
66 description: Allows enabling power noise filter.
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| /Documentation/input/devices/ |
| D | cma3000_d0x.rst | 50 Noise on X Axis
53 Noise on Y Axis
56 Noise on Z Axis
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| D | appletouch.rst | 72 noise when the temperature changes. This is especially true when you power-on
75 The appletouch driver tries to handle this noise and auto adapt itself, but it
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| /Documentation/devicetree/bindings/iio/proximity/ |
| D | ams,as3935.yaml | 42 Set the noise and watchdog threshold register on startup. This will
43 need to set according to the noise from the MCU board, and possibly
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| /Documentation/admin-guide/media/ |
| D | ipu3.rst | 246 high quality images. Besides, "STILL" mode need XNR3 to do noise reduction,
463 g [label="Bayer Noise Reduction"]
470 n [label="Chromatic Noise Reduction"]
504 BNR Bayer noise reduction block removes image noise by
507 ANR Advanced Noise Reduction is a block based algorithm
508 that performs noise reduction in the Bayer domain. The
533 CHNR Chroma noise reduction
535 performs noise reduction by cleaning the high
536 frequency noise.
540 XNR3 eXtreme Noise Reduction V3 is the third revision of
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| /Documentation/sound/designs/ |
| D | powersave.rst | 34 Note that you might hear click noise/pop when changing the power
42 consumption, but might result in longer wake-up time and click noise.
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| /Documentation/devicetree/bindings/iio/accel/ |
| D | adi,adxl355.yaml | 7 title: Analog Devices ADXL355 and ADXL359 3-Axis, Low noise MEMS Accelerometers
13 Analog Devices ADXL355 and ADXL359 3-Axis, Low noise MEMS Accelerometers that
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| /Documentation/devicetree/bindings/iio/frequency/ |
| D | adi,admv1014.yaml | 56 Low Noise Amplifier 3.3V supply voltage regulator.
60 Low Noise Amplifier 1.5V supply voltage regulator.
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| /Documentation/devicetree/bindings/i2c/ |
| D | i2c-gate.yaml | 13 An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected
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| /Documentation/sound/hd-audio/ |
| D | realtek-pc-beep.rst | 107 poorly shielded and picks up chassis noise (both of which are the case on my
118 causes terrible headphone noise, the character of which is controlled by the
120 noise by changing "Headphone Mic Boost" in ALSA, now you know why.)
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