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SI unit of frequency
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle)
Hertz
Topics referred to by the same term
Look up HZ, Hz, or hz in Wiktionary, the free dictionary. Hz is the International Standard symbol for hertz, a unit of frequency. Hz. may also stand for:
HZ
Topics referred to by the same term
2006 HŽ Passenger Transport HŽ Infrastructure HŽ Cargo This disambiguation page lists articles associated with the title HŽ. If an internal link incorrectly
HŽ
Frequency used on standard electricity grid in a given area
large parts of the world this is 50 Hz, although in the Americas and a handful of countries in Asia it is typically 60 Hz. Current usage by country or region
Utility_frequency
Common sampling frequency in digital audio
In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency. Analog audio is often recorded by sampling it 44,100
44,100_Hz
Topics referred to by the same term
60 Hz is a frequency that may refer to: the utility frequency (power line frequency) in the Americas and parts of Asia the frame rate of video broadcasts
60_Hz
Pitch standard
Stuttgart pitch) is the musical pitch corresponding to an audio frequency of 440 Hz, which serves as a tuning standard for the musical note of A above middle
A440_(pitch_standard)
Croatian state-owned railway infrastructure manager
HŽ Infrastruktura (lit. 'Croatian Railways Infrastructure', HŽI) is a Croatian state-owned railway infrastructure manager. It was created on 20 July 2006
HŽ_Infrastruktura
Motor vehicle
Holden HZ is a full-sized automobile which was produced in Australia between October 1977 and April 1980 by Holden in a variety of equipment levels and
Holden_HZ
Urban myth
levels of 160 dB were achieved at frequencies of 2–3 Hz. Test frequencies ranged from 0.5 Hz to 40 Hz. Test subjects suffered motor ataxia, nausea, visual
Brown_note
Standard current and voltage settings for much of Central Europe's train transport
electrification using alternating current (AC) at 15 kilovolts (kV) and 16.7 hertz (Hz) are used on transport railways in Germany, Austria, Switzerland, Sweden,
15 kV AC railway electrification
15_kV_AC_railway_electrification
Whale who calls at unusual frequency
of the blue whale and the fin whale. Those species call at 10 to 39 Hz and 20 Hz respectively. Described as the "world's loneliest whale", it appeared
52-hertz_whale
Unit of rotational speed
(50 Hz), 3600 rpm (60 Hz), and over 4000 rpm (66+2⁄3 Hz) Modern automobile engines are typically operated around 1600 rpm – 2800 rpm (31 Hz – 48 Hz) when
Revolutions_per_minute
48 kHz, a common sampling rate
000 Hz (also represented as 48 kHz or DVD Quality) is a common sampling rate. It has become the standard for professional audio and video. 48 kHz is evenly
48,000_Hz
equal temperament, with the 49th key, the fifth A (called A4), tuned to 440 Hz (referred to as A440). Every octave is made of twelve steps called semitones
Piano_key_frequencies
Standard current and voltage settings for most high-speed rail
is usually supplied at the standard utility frequency (typically 50 or 60 Hz), which simplifies traction substations. The development of 25 kV AC electrification
25 kV AC railway electrification
25_kV_AC_railway_electrification
Number of occurrences or cycles per unit time
in the International System of Units (SI) is the hertz, having the symbol Hz. For cyclical phenomena such as oscillations, waves, or for examples of simple
Frequency
One thousandth of a second
other orders of magnitude. 1 millisecond (1 ms) – cycle time for frequency 1 kHz; duration of light for typical photo flash strobe; time taken for sound wave
Millisecond
Topics referred to by the same term
50 Hz is a frequency that may refer to: the utility frequency (power line frequency) in large parts of the world the frame rate of video broadcasts in
50_Hz
Vibrations with frequencies lower than 20 hertz
referred to as infrasonics, covering sounds beneath 20 Hz down to 0.1 Hz (and rarely to 0.001 Hz). People use this frequency range for monitoring earthquakes
Infrasound
Sound whose frequency is audible to the average human
hertz (Hz). It is the property of sound that most determines pitch. The generally accepted standard hearing range for humans is 20 to 20,000 Hz (20 kHz). In
Audio_frequency
Reference point for tuning musical instruments
over time. The ISO defines international standard pitch as A440, setting 440 Hz as the frequency of the A above middle C. Frequencies of other notes are defined
Concert_pitch
Croatian state-owned passenger transport company
HŽ Passenger Transport (Croatian: HŽ Putnički prijevoz, HŽPP) is a Croatian state-owned passenger transport company established on 20 July 2006 after a
HŽ_Passenger_Transport
Typographic composition computer program
Hz-program (German: hz-Programm) was a proprietary, patented typographic composition computer program, created by German typeface designer Hermann Zapf
Hz-program
2012 studio album by Animal Collective
Centipede Hz is the ninth studio album by American experimental pop group Animal Collective, released on September 4, 2012, on Domino Records. The album
Centipede_Hz
diving and swimming competition. HZ Zian emerged from HZ&PC and Zian / Vitesse. Hague Swimming and Polo Club (HZ&PC) was established on November 29
HZ_Zian
Croatian national railway company (1990–2006)
prijevoz (passenger transport), HŽ Infrastruktura (infrastructure manager), HŽ Cargo (freight transport), HŽ Vuča vlakova and HŽ Holding (to temporarily manage
Croatian_Railways
Frequency at which a display hardware displays a new image
The standards of monitors are:[citation needed] 50 Hz 60 Hz 75 Hz 100 Hz 120 Hz 144 Hz 200 Hz 240 Hz Plasma display Comparison of display technology High
Refresh_rate
Unwanted sound associated with AC power
to say, 100 Hz in areas with 50 Hz power, and 120 Hz in areas with 60 Hz power. The sound often has heavy harmonic content above 50/60 Hz. Due to the
Mains_hum
Range of frequencies that can be heard by humans or other animals
frequencies over 100 kHz. Elephants can hear sounds at 16 Hz–12 kHz, while some whales can hear infrasonic sounds as low as 7 Hz. The 'hairs' in hair cells
Hearing_range
Absolute concert pitch standard
256 Hz Problems playing this file? See media help. Scientific pitch, also known as philosophical pitch, Sauveur pitch or Verdi tuning, is an absolute concert
Scientific_pitch
Line of consumer electronic devices
428 ppi) Smooth display 60 HZ — 120 HZ; Pixel 8 Pro: 6.7" OLED (1344×2992, 20:9, 489 ppi) Smooth display 1 HZ — 120 HZ Processor: Google Tensor G3 Storage:
Google_Pixel
1980 aircraft accident in Saudi Arabia
accident was a Lockheed L-1011-200 TriStar, registered in Saudi Arabia as HZ-AHK with serial number 1169. The aircraft was certified on 23 July 1979 and
Saudia_Flight_163
2001 studio album by Air
10 000 Hz Legend is the second studio album by French electronic music duo Air, released in France on 28 May 2001 by Virgin Records and in the United States
10_000_Hz_Legend
2020–present laptops by Apple
5K at 60 Hz is equivalent to 4K at 100 Hz, 6K at 60 Hz is equivalent to 4K at 144 Hz, 8K at 60 Hz is equivalent to 4K at 240 Hz 5K at 60 Hz is equivalent
MacBook_Air_(Apple_silicon)
Noise power per unit of bandwidth
has dimension of power over frequency, whose SI unit is watt per hertz (W/Hz), equivalent to watt-second (W⋅s) or joule (J). It is commonly used in link
Noise_spectral_density
Relative importance of certain frequencies in a composite signal
impedance. So one might use the unit V2⋅Hz−1 for the PSD. Energy spectral density (ESD) would have the unit V2⋅s⋅Hz−1, since energy is power multiplied by
Spectral_density
Type of classical female singing voice
220–880 Hz). In the lower and upper extremes, some mezzo-sopranos may extend down to the F below middle C (F3, 175 Hz) and as high as "high C" (C6, 1047 Hz)
Mezzo-soprano
Class of Yugoslavian electric multiple units
The HŽ series 6111 is an electric multiple unit used by Croatian Railways (Croatian: hrvatske željeznice, HŽ), formerly the class JŽ 411 of ŽTP Zagreb
HŽ_series_6111
Frequency range
approximately 70 Hz (C♯2 in scientific pitch notation) and extending downward to include the lowest frequency humans can hear, approximately 20 Hz (E0). In this
Sub-bass
Class of Croatian electric locomotives
electrical locomotive on Croatian Railways (Croatian: Hrvatske željeznice, HŽ). They were manufactured by the Končar factory (named after Rade Končar).
HŽ_series_1142
Representation of isolatable musical sound
440 Hz: f = 2 12 v 12 × 440 Hz = 2 v × 440 Hz . {\displaystyle {\begin{aligned}f&=2^{\frac {12v}{12}}\times {\text{440 Hz}}\\&=2^{v}\times {\text{440 Hz}}\
Musical_note
Information rate that can be transmitted over a given bandwidth
digital communication system is measured in bit/s/Hz, or, less frequently but unambiguously, in (bit/s)/Hz. It is the net bit rate (useful information rate
Spectral_efficiency
Type of lower-voltage electricity most commonly provided by utilities
50 Hz is used. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other combinations exist, for example, 230 V at 60 Hz. Travellers'
Mains_electricity
Logarithmic unit expressing the ratio of physical quantities
standard telephone cable at a frequency of 5000 radians per second (795.8 Hz), and matched closely the smallest attenuation detectable to a listener. A
Decibel
željeznice, HŽ) has maintained the tracks and the rolling stock. This company was since split into HŽ Passenger Transport, HŽ Infrastructure and HŽ Cargo.
Rail_transport_in_Croatia
2011 EP by Ladytron
Ace of Hz EP is the sixth EP by British electronic music band Ladytron. It was released as music download on 11 January 2011 through Nettwerk. This EP
Ace_of_Hz
Class of Yugoslav, later Croatian, diesel locomotives
The HŽ Series 2062 is a class of diesel-electric locomotives belonging to Croatian Railways (Croatian: hrvatske željeznice, HŽ). They are examples of the
HŽ_series_2062
Standard for transmitting digital video to a display
blanking interval) at 60 Hz refresh. For practical purposes, this allows a maximum 16:10 screen resolution of 1920 × 1200 at 60 Hz. To support higher-resolution
Digital_Visual_Interface
Croatian state-owned freight transport company
HŽ Cargo (lit. 'Croatian Railways Cargo') is a Croatian state-owned freight transport company. It was formed on 20 July 2006 from the Croatian Railways'
HŽ_Cargo
Seven-note series in Indian classical music
120 Hz, 135 Hz, 144 Hz, 160 Hz, 180 Hz, 202.5 Hz, 216 Hz.} Madhya Saptak: 240 Hz, 270 Hz, 288 Hz, 320 Hz, 360 Hz, 405 Hz, 432 Hz.} Taar Saptak: 480 Hz, 540
Saptak
Neural oscillation in the brain, 12.5–30 Hz
sections: Low Beta Waves (12.5–16 Hz, "Beta 1"); Beta Waves (16.5–20 Hz, "Beta 2"); and High Beta Waves (20.5–28 Hz, "Beta 3"). Beta states are the states
Beta_wave
Type of engine made by Toyota
KZ engine Toyota PZ engine Rebuilding a 1HZ Motor Archived 2013-07-31 at the Wayback Machine Wikimedia Commons has media related to Toyota HZ engines.
Toyota_HZ_engine
Conceptual scale
a perceptual pitch of 1000 mels to a 1000 Hz tone, 40 dB above the listener's threshold. Above about 500 Hz, increasingly large intervals are judged by
Mel_scale
Flicker reduction of video display, often by frame doubling
100 hertz (Hz) or 120 hertz rate to eliminate flicker, compared to common televisions that operate at 50 Hz (PAL/SÉCAM systems) or 60 Hz (NTSC), most
Flicker-free
One millionth of a second
single-mode fiber optic cable. 10 microseconds (μs) – cycle time for frequency 100 kHz, radio wavelength 3 km. 18 microseconds – net amount per year that the length
Microsecond
Device for hacking telephone networks
boxes by the 1980s, and they are of little to no use today. 2600 Hz (LOUD) A tone of 2600 Hz Problems playing this file? See media help. Multi-frequency dialing
Blue_box
Class of Croatian diesel multiple units
HŽ series 7121 (Macosa) is a diesel multiple unit series of the Croatian Railways, consisting of a motor wagon and a trailer. These units are originally
HŽ_series_7121
Format for sending GB 2312 text over a 7-bit ASCII channel
The HZ character encoding is an encoding of GB 2312 that was formerly commonly used in email and USENET postings. It was designed in 1989 by Fung Fung
HZ_(character_encoding)
1954 experimental personal helicopter model by de Lackner Helicopters
The HZ-1 Aerocycle, also known as the YHO-2 and by the manufacturer's designation DH-5 Aerocycle, is an American one-man "personal helicopter" developed
De_Lackner_HZ-1_Aerocycle
Audible telecommunication signal for control of telephone networks
2600 hertz (2600 Hz) is a frequency in hertz (cycles per second) that was used in telecommunication signaling in mid-20th century long-distance telephone
2600_hertz
Electrophysiological method to record electrical activity of the brain
30 Hz, and amplitudes will vary between 20 and 100 μV. The observed frequencies are subdivided into various groups: alpha (8–13 Hz), beta (13–30 Hz), delta
Electroencephalography
National airline of Saudi Arabia
Arabian Airlines DC-4 accident HZ-AAF". Aviation-safety.net. Retrieved 16 March 2010. "Accident Douglas C-47 (DC-3) HZ-AAM". Aviation Safety Network.
Saudia
2011 Dutch film
170 Hz is a Dutch film about the love of two deaf teenagers. Although some dialogues are in Dutch, most of it is in Dutch Sign Language and subtitled.
170_Hz
Interference pattern between signals of similar frequency
(one in each ear). For example, if a 530 Hz pure tone is presented to a subject's right ear, while a 520 Hz pure tone is presented to the subject's left
Beat_(acoustics)
Signal processing effect
Sawtooth aliasing demo 440 Hz bandlimited, 440 Hz aliased, 880 Hz bandlimited, 880 Hz aliased, 1760 Hz bandlimited, 1760 Hz aliased Problems playing this
Aliasing
Railroad power system
The traction power network of Amtrak uses 25 Hz for the southern portion of the Northeast Corridor (NEC), the Keystone Corridor, and several branch lines
Amtrak's 25 Hz traction power system
Amtrak's_25_Hz_traction_power_system
Locomotive class
diesel-electric locomotive class on Croatian Railways (Croatian: hrvatske željeznice, HŽ). These locomotives are built for hauling lighter freight trains, lighter
HŽ_series_2041
Class of 55 Croatian electric multiple units
HŽ series 6112 is a class of low-floor electrical multiple units manufactured by the Croatian company Končar - Electric Vehicles (Croatian: Končar - Električna
HŽ_series_6112
Products by Chinese company
The Oppo Find X8 & X8 Pro was released on 21 November 2024. With a 1.5K 120 Hz LTPO AMOLED display, an IP68 + IP69 rating, and a huge 5910 mAh battery that
List_of_Oppo_products
German train protection system
45 km/h when stopping after an active 1000 Hz inductor or to 25 km/h when stopping after an active 500 Hz inductor. The software update of PZB90 to version
Punktförmige_Zugbeeinflussung
Galaxy in the constellation Lynx
II Hz 4 (short for II Herzog 4) is a ring galaxy located in the constellation of Lynx. The redshift of this galaxy is (z) 0.042 and it was first discovered
II_Hz_4
Loudspeaker for low-pitched audio frequencies
covered by a subwoofer is about 20–200 Hz for consumer products, below 100 Hz for professional live sound, and below 80 Hz in THX-certified systems. Thus, one
Subwoofer
3-30 Hz range of the electromagnetic spectrum
from 3 Hz to 3 kHz. In the related magnetosphere science, the lower-frequency electromagnetic oscillations (pulsations which occur below ~3 kHz) are considered
Extremely_low_frequency
The Đuro Đaković Series 732 is a 44-ton diesel-hydraulic switcher model locomotive series. A similar unit being used by Uljanik Valter, Z. Dizel-električna
Đuro_Đaković_Series_732
Color encoding system for analogue television
Likewise, video game consoles outputting a 50 Hz signal might be labeled as "PAL", as opposed to 60 Hz on NTSC machines. These designations should not
PAL
Perceptual property in music ordering sounds from low to high
frequencies below 1,000 Hz and above 2,000 Hz. The pitch of lower tones gets lower as sound pressure increases. For instance, a tone of 200 Hz that is very loud
Pitch_(music)
Digital audiovisual data interface
bits, or 24 bits, with sample rates of 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz. HDMI also carries any IEC 61937-compliant compressed
HDMI
Shrine in Hatay Province, Turkey
February 2023. Retrieved 26 June 2024. "Hz. Hızır Türbesi" (PDF). Samandağ Kaymakamlığı. Retrieved 25 June 2024. "Hz. Khidr: A Mystical Figure and His Shrine
Shrine_of_Khidr
JP Elektroprivreda HZ HB d.d. (Croatian: JP Elektroprivreda Hrvatske zajednice Herceg Bosne) is a public power utility company based in Mostar, Bosnia
Elektroprivreda_HZ_HB
- Zagreb, where they have spent the last 10 years of their active career. HŽ series 7 021 was withdrawn from service on January 10, 2005. This was a five-car
HŽ_series_7021
Fluttering vocalization
cheetahs. Mean frequency were between 19.3 Hz and 20.5 Hz in ingressive phases, and between 21.9 Hz and 23.4 Hz in egressive phases. Moreover, the amplitude
Purr
University in Zeeland, Netherlands
The HZ University of Applied Sciences (Short: HZ) is a Dutch university of applied sciences with campuses in Zeeland. HZ University of Applied Sciences
HZ University of Applied Sciences
HZ_University_of_Applied_Sciences
2024 flagship smartphones by Samsung Electronics
refresh rate display with a range of 1 Hz or 24 Hz to 120 Hz, except the S24 FE which has a range of 60 Hz to 120 Hz. The Galaxy S24 Ultra, in addition to
Samsung_Galaxy_S24
Adjusting pitches of guitar strings
defines the string pitches as E (82.41 Hz), A (110 Hz), D (146.83 Hz), G (196 Hz), B (246.94 Hz), and E (329.63 Hz), from the lowest pitch (low E2) to the
Guitar_tunings
Class of Croatian electric locomotives
The HŽ series 1061 was a 6-axle articulated electric locomotive series that was used by Croatian Railways (Croatian: hrvatske željeznice, HŽ). In Slovenia
HŽ_series_1061
Non-sinusoidal waveform
Sawtooth wave 5 seconds of 220 Hz sawtooth wave Problems playing this file? See media help. The sawtooth wave (or saw wave) is a kind of non-sinusoidal
Sawtooth_wave
Digital display interface
therefore will differ from model to model. Below 30 Hz 030–60 Hz 060–120 Hz 120–240 Hz Above 240 Hz Color depth of 8 bpc (24 bit/px or 16.7 million
DisplayPort
Power spectrum of a noise signal
frequencies between 40 Hz and 60 Hz contains the same amount of sound power as the range between 400 Hz and 420 Hz, since both intervals are 20 Hz wide. Note that
Colors_of_noise
Line of analog synthesizers by Casio
Phase Distortion line), and more traditional (SD synthesis, starting with the HZ-600). In turning to SD synthesis Casio meant to create a synthesis engine
Casio_SD_Synthesizers
Croatian diesel locomotive
HŽ series 7022 is a class of low-floor diesel multiple unit built for Croatian Railways (Croatian: Hrvatske željeznice, HŽ) by Croatia based company TŽV
HŽ_series_7022
Automotive marque created in 1971 by Holden
a different "eggcrate" grille. Statesman de Ville (HZ) Statesman de Ville (HZ) Statesman SL/E (HZ) The final series to be marketed under the Statesman
Statesman_(automobile)
2025 smartphone by Apple
iPhone 17 includes a larger 160 mm (6.3 in) OLED display and dynamic 120 Hz ProMotion refresh rate, marking its debut on a non-Pro iPhone model. The display
IPhone_17
Class of Yugoslavian electric locomotive
built for Yugoslav Railways. The units are now used by Hrvatske željeznice (HŽ series 1141), Željeznice Federacije Bosne i Hercegovine, Željeznice Republike
JŽ_series_441
Computer display standard and resolution
and 256 colors using, e.g., 400 × 600 (50 Hz) or 360 × 480 (60 Hz), and "thin" pixels, 16 colors and the 70 Hz refresh rate with e.g. 736 × 410 mode. "Narrow"
Video_Graphics_Array
split-phase connection which provides a choice of either 120 or 240 V at 60 Hz. Each circuit in the premises can be connected to either one of two 120 V
Mains_electricity_by_country
This is a list of past and present rolling stock owned and operated by HŽ Putnički prijevoz (HŽPP), the successor of Croatian Railways' passenger transport
Rolling stock of the Croatian Railways
Rolling_stock_of_the_Croatian_Railways
Wave with frequency an integer multiple of the fundamental frequency
50 Hz, a common AC power supply frequency, the frequencies of the first three higher harmonics are 100 Hz (2nd harmonic), 150 Hz (3rd harmonic), 200 Hz (4th
Harmonic
Guitar pickups and EQ accessories manufacturer
EMG 60, and the EMG 89. They also produce passive pickups such as the EMG-HZ series, which include SRO-OC1's and SC Sets. There is also a series geared
EMG,_Inc.
Video of higher resolution than original television
1125/30 Hz system) with a maximum frame rate of 30 Hz, (60 fields per second) and 720-line video, progressively scanned, with a maximum frame rate of 60 Hz.
High-definition_video
HZ
HZ
Girl/Female
Muslim
Strength, Care
Girl/Female
Indian
Strength, Care
Girl/Female
Arabic, Muslim
The Wife of Hzrat Ishaaq (PBUH); A Prophet of Allah Almighty
Girl/Female
Arabic, Muslim
Care; Strength
HZ
HZ
Boy/Male
Indian, Tamil
Great Poet
Girl/Female
Tamil
She is reborn for us
Boy/Male
Arabic, Muslim
Gratitude Owed to Allah
Boy/Male
Hindu, Indian
Supporter of Law
Surname or Lastname
English
English : topographic name for someone who lived in a valley, Middle English valeye.
Boy/Male
Hindu
Blessing
Girl/Female
Greek
The mythological daughter of a river god.
Girl/Female
Bengali, Hindu, Indian, Kannada, Marathi, Sanskrit, Telugu
A Name in Buddhist Literature
Female
Egyptian
, the sister of the officer Tutu.
Boy/Male
Welsh
Legendary son of Seithved.
HZ
HZ
HZ
HZ
HZ