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Equalizer

'''Equalizer''' may refer to:

Technology and engineering

Audio equalizer

An audio equalizer is a device or software tool used in sound engineering to adjust the amplitude of specific frequency bands within an audio signal, thereby enhancing clarity, balancing tonal qualities, or applying creative effects to improve the overall listening experience.^[1] This process, known as equalization or EQ, allows engineers to control aspects such as brightness, warmth, and depth by boosting or attenuating frequencies, which is essential for compensating for imperfections in recording environments or equipment.^[2] Common types of audio equalizers include graphic, parametric, and dynamic variants, each suited to different levels of precision and application. Graphic equalizers feature fixed frequency bands—typically 10 or more—with physical or digital sliders for gain adjustments, providing a visual representation of the frequency response for straightforward use in live settings.^[3] Parametric equalizers offer greater flexibility by allowing users to select the center frequency, gain amount, and Q factor (bandwidth) for each band, enabling surgical corrections in studio mixing.^[4] Dynamic equalizers extend this by varying gain dynamically based on the signal's level, functioning like a multiband compressor to tame peaks without constant manual intervention.^[2] The development of audio equalizers traces back to the 1930s, when early designs like John Volkman's external equalizer were created to equalize motion picture soundtracks for theater playback systems.^[5] By the 1950s, equalizers gained traction in music recording with the introduction of electronic circuits for selective boosting and cutting, exemplified by the Langevin EQ-251A, a passive program equalizer with slide controls that served as a precursor to modern graphic models.^[6] A key milestone occurred in the 1960s with the integration of equalizers into hi-fi systems, where they became standard for home audio reproduction to tailor sound to room acoustics and personal preferences.^[7] At their core, audio equalizers operate on principles of frequency response manipulation using filters to shape the signal's spectrum. Shelving filters gradually boost or cut all frequencies above (high shelf) or below (low shelf) a cutoff point, ideal for overall tonal balance, while peaking filters create bell-shaped curves centered on a specific frequency for targeted adjustments.^[2] The gain adjustment in decibels, a logarithmic measure of amplitude change, is given by the equation:

G(\mathrm{dB}) = 20 \log_{10} \left( \frac{V_{\mathrm{out}}}{V_{\mathrm{in}}} \right)

where V_{\mathrm{out}} and V_{\mathrm{in}} are the output and input voltages, respectively; this quantifies how much a filter alters the signal strength at selected bands.^[8] In practice, audio equalizers find widespread use across professional and consumer contexts. In recording studios, they shape individual tracks during mixing to ensure separation and cohesion; live sound engineers deploy them to counteract venue reverberations and feedback.^[1] Consumer hi-fi systems incorporate built-in equalizers for personalized listening, while digital audio workstations (DAWs) like Ableton Live provide plugin-based EQ tools for real-time editing in music production.^[9] Recent advancements have shifted equalizers toward digital implementations via digital signal processing (DSP) chips, which enable precise, noise-free adjustments and complex algorithms without the limitations of analog hardware.^[10]

Communications equalizer

In telecommunications and signal processing, a communications equalizer is a circuit or algorithm designed to compensate for linear distortions, such as frequency-dependent attenuation and phase shifts, introduced by communication channels, thereby reducing intersymbol interference (ISI) and restoring the integrity of transmitted signals.^[11] The primary purpose is to mitigate the effects of channel impairments that cause signal dispersion, enabling reliable recovery of original data symbols at the receiver, particularly in bandwidth-limited or dispersive media like telephone lines, wireless channels, and optical fibers.^[12] This compensation is essential for high-speed data transmission, where unaddressed distortions can lead to errors in symbol detection.^[13] Communications equalizers are classified into several types based on their structure and adaptation mechanism. Linear equalizers include zero-forcing (ZF) designs, which invert the channel response to eliminate ISI completely, and minimum mean square error (MMSE) variants, which balance ISI reduction with noise minimization.^[14] Decision feedback equalizers (DFE) extend this by using past symbol decisions to cancel post-cursor ISI, improving performance in channels with significant dispersion.^[15] Adaptive equalizers, which dynamically adjust coefficients in real-time using algorithms like least mean squares (LMS), are particularly useful for time-varying channels, allowing the system to track changes without manual intervention.^[16] The development of communications equalizers traces back to the late 19th century, with early efforts in the 1860s to address signal attenuation in submarine telegraph cables through compensation techniques such as improved cable insulation and conductor design.^[17] Significant advances occurred in the 1960s with the advent of modems for data transmission over telephone lines, where researchers at Bell Labs, including Robert W. Lucky, introduced adaptive equalization to handle amplitude and phase distortions in voiceband channels.^[18] A key milestone in the 1970s was Tomlinson-Harashima precoding, a nonlinear technique proposed independently by M. Tomlinson in 1971 and H. Harashima in 1972, which pre-equalizes signals using modulo arithmetic to combat ISI in digital subscriber line (DSL) systems without requiring complex receiver-side processing. At their core, communications equalizers operate by modeling the channel's impulse response, which characterizes how an input impulse is smeared across time due to multipath or dispersive effects. For a zero-forcing equalizer, the equalizer's frequency response is designed to counteract the channel's response, yielding the ideal transfer function:

H_{eq}(f) = \frac{1}{H_{channel}(f)}

where H_{channel}(f) is the channel's frequency response; this inversion forces the combined response to approximate a delta function, nullifying ISI at sampling instants, though it may amplify noise in spectral nulls.^[14] More advanced models incorporate the full channel impulse response h(t), convolved with the equalizer taps to minimize distortion metrics.^[19] These equalizers find widespread applications in modern systems, including modems for wired connections, where they enable reliable data rates over twisted-pair lines. In wireless communications, such as 5G networks, equalizers address multipath fading by processing OFDM subcarriers to equalize frequency-selective channels, improving signal recovery in urban environments with delayed echoes.^[20] In fiber-optic links, electronic or optical equalizers compensate for chromatic dispersion and polarization-mode dispersion, extending reach in high-bit-rate systems like 100 Gbps Ethernet. As of 2025, equalization techniques are being integrated into 6G prototypes, often leveraging AI-native receivers for joint channel estimation and equalization to support terabit-per-second rates in beyond-5G trials.^[21] Performance of communications equalizers is evaluated using metrics like eye diagram analysis, which visualizes signal quality by overlaying multiple bit transitions to reveal opening size (eye height and width), indicating ISI and noise margins, and bit error rate (BER), which quantifies error probability post-equalization—typically reduced from $10^{-3} to below $10^{-9} in optimized systems for error-free transmission.^[22] For instance, in dispersive channels, a well-designed DFE can widen the eye aperture by factors of 2–5, directly correlating to BER improvements under Gaussian noise assumptions.^[23]

Entertainment

Film adaptations

The Equalizer film franchise is an action thriller series starring Denzel Washington as Robert McCall, a retired intelligence operative who emerges from seclusion to deliver vigilante justice to the vulnerable and oppressed.^[24] Loosely inspired by the 1980s television series of the same name, the films reboot the character as a methodical former DIA agent with a moral code, emphasizing themes of redemption and precise retribution against criminal elements.^[25] Directed by Antoine Fuqua across all installments, the trilogy has grossed over $573 million worldwide, blending intense action sequences with Washington's stoic portrayal of a reluctant hero.^[26] While the films maintain a connection to the original TV concept of an equalizer aiding the helpless, they reimagine McCall in a modern cinematic context with heightened personal stakes.^[24] The first film, The Equalizer (2014), follows McCall as he befriends a young woman forced into prostitution by the Russian mafia and unleashes calculated violence to dismantle the organization after her brutal beating.^[27] Directed by Fuqua from a screenplay by Richard Wenk, the movie highlights McCall's tactical precision, using everyday objects as weapons in choreographed confrontations that underscore themes of justice for the powerless.^[28] It achieved box office success, earning $192.3 million worldwide on a $55 million budget, driven by strong domestic performance and audience appeal for Washington's commanding presence.^[25] The Equalizer 2 (2018), the franchise's first sequel, shifts to more intimate stakes as McCall, now working as a Lyft driver, investigates the murder of his close friend and former colleague Susan Plummer, leading to a confrontation with a group of corrupt ex-military operatives.^[29] The film introduces ensemble dynamics with supporting roles for Pedro Pascal as McCall's ally Dave York and Bill Pullman reprising his role from the first movie, amplifying emotional depth through McCall's grief-fueled rampage, including a notable stormy ferry battle sequence.^[30] It grossed approximately $190 million globally, matching the original's financial footprint while expanding on McCall's backstory and vulnerabilities.^[31] The trilogy concludes with The Equalizer 3 (2023), set in a picturesque Italian coastal town where McCall, seeking retirement, becomes embroiled in protecting locals from the Camorra crime syndicate after being wounded and cared for by villagers.^[32] Fuqua's direction emphasizes McCall's legacy and desire for peace, culminating in a siege on the mob's stronghold that blends European locales with the series' signature methodical action.^[33] The film earned $191.1 million worldwide, solidifying the franchise's commercial consistency on a $70 million budget.^[34] All three films were directed by Antoine Fuqua and produced by Escape Artists, with key producers including Todd Black, Jason Blumenthal, and Denzel Washington himself, who also served as an executive producer to shape the character's evolution.^[35] The series was distributed by Sony Pictures, leveraging Fuqua's established collaboration with Washington from prior projects like Training Day.^[36] As of November 2025, Washington has confirmed development on The Equalizer 4 and a fifth installment, though no release dates or spin-off details have been finalized.^[37] Critically, the franchise has received mixed reviews, averaging 50-60% on Rotten Tomatoes across the trilogy, with praise centered on Washington's nuanced performance as the introspective vigilante and Fuqua's kinetic action direction.^[35] The original film holds a 61% score, commended for its tense pacing but critiqued for excessive violence; the sequel dipped to 52%, faulted for formulaic plotting despite strong ensemble work; and the third entry improved to 76%, lauded for its emotional closure and scenic authenticity, though some noted repetitive revenge tropes.^[30] Overall, audiences have consistently rated the films higher, appreciating the empowering narrative of ordinary heroism against systemic injustice.^[33]

Television series

The Equalizer is an American crime drama television series that originally aired on CBS from September 18, 1985, to August 24, 1989, starring British actor Edward Woodward as Robert McCall, a retired intelligence operative who aids ordinary people facing injustice.^[38] Created by Michael Sloan and Richard Lindheim, the show ran for four seasons and comprised 88 episodes, drawing from real-life headlines to explore urban crime in 1980s New York City.^[39] McCall, disillusioned with his past in covert operations, places classified newspaper ads offering his services as an "equalizer" to those with nowhere else to turn, relying on his intellect, moral code, and network of contacts rather than brute force.^[40] The episodic format emphasized themes of redemption, ethical dilemmas, and the human cost of violence, with McCall often confronting his own regrets through cases involving corruption, abuse, and societal neglect.^[39] Notable episodes include "The Children's Hour" from season one, which addressed child abuse and featured a harrowing storyline of a young victim seeking justice, highlighting the series' blend of suspense and social commentary.^[39] The original series received acclaim for its gritty atmosphere and Woodward's nuanced portrayal of a brooding anti-hero, earning a 7.8/10 rating on IMDb from over 6,400 users, who praised its intelligent writing and tense pacing amid the era's high crime rates.^[38] Critics noted its influence on the vigilante genre by humanizing the protagonist and avoiding simplistic heroism, though some episodes drew controversy for graphic violence.^[41] In 2021, CBS rebooted The Equalizer as a modern reimagining, with Queen Latifah starring as Robyn McCall, a former CIA operative and single mother who secretly helps the vulnerable while posing as an everyday New Yorker in Brooklyn.^[42] Produced by CBS Studios and created by Andrew W. Marlowe and Terri Edda Miller, the series aired for five seasons from February 7, 2021, to May 4, 2025, totaling 94 episodes and updating the premise to tackle contemporary issues like cybercrime, racial injustice, and human trafficking.^[43] Key cast members included Tory Kittles as Detective Marcus Dante, a principled NYPD officer who becomes Robyn's ally, and Adam Goldberg as Harry Thorne, a tech-savvy hacker on her team.^[44] The show maintained an episodic structure but incorporated serialized elements, such as Robyn's family dynamics and past traumas, while emphasizing her strategic use of skills over physical confrontations.^[45] The reboot garnered mixed reception, holding a 5.6/10 IMDb rating from over 20,000 users, with praise for Latifah's charismatic performance and the series' focus on diversity, including a strong Black female lead and themes of social justice, though some critiqued its formulaic pacing and deviations from the original's tone.^[46] It concluded abruptly due to declining ratings, but the May 4, 2025, finale resolved key arcs, including Robyn's reconciliation with her family and a romantic development with Dante, providing closure amid hints of potential spin-offs.^[43] Both iterations have shaped the vigilante drama genre by portraying flawed guardians who operate outside the law for moral reasons, influencing later shows with their emphasis on personal redemption and aid to the marginalized; the 2025 finale underscored this legacy by tying up Robyn's unresolved family ties in a hopeful, introspective manner.^[47]

Sports and recreation

Equalizer in team sports

In team sports, an equalizer refers to a goal, run, point, or play that levels the score for a trailing team, effectively tying the game and deriving from the act of "equalizing" the scoreboard.^[48] This term is particularly prevalent in high-stakes matches where such plays occur in the closing stages, altering the game's outcome and often extending play into overtime or extra time.^[49] In soccer, the equalizer is a common occurrence, with late goals frequently turning defeats into draws; for instance, in the 2012 Premier League season finale, Edin Džeko's 92nd-minute strike against Queens Park Rangers tied the score at 2-2 for Manchester City, setting the stage for Sergio Agüero's subsequent winner that clinched the title.^[50] Statistics indicate that around 25-30% of top-flight matches, such as those in the Premier League, end in draws, with many attributed to equalizers scored after the 75th minute, highlighting the dramatic nature of the sport.^[51] In American sports, basketball sees equalizers like Jaylen Brown's clutch three-pointer in the final seconds of regulation during Game 1 of the 2024 Eastern Conference Finals against the Indiana Pacers, which forced overtime and shifted the series momentum for the Boston Celtics.^[52] Similarly, in baseball, a ninth-inning home run can serve as an equalizer, exemplified by Miguel Rojas's game-tying blast in the 2025 World Series Game 7, which extended the contest and electrified fans.^[53] These equalizers profoundly impact gameplay by reversing momentum, compelling the leading team to defend intensely and often propelling the trailing side into a psychological surge that enhances performance in subsequent periods.^[54] Psychologically, late equalizers boost the morale of players and supporters while inducing doubt and fatigue in the opposition, potentially leading to errors that decide the match.^[55] Historically, the term "equalizer" first appeared in sports reporting during the 1890s, initially in soccer contexts to describe score-tying goals, with early adoption in cricket match accounts from the late 19th century.^[56] As of 2025, Video Assistant Referee (VAR) technology has significantly influenced equalizer decisions in soccer by verifying goal-line calls and offside positions with 96% accuracy, reducing controversies over late strikes and ensuring fairer outcomes in professional leagues.^[57]

Equalizer in other games

In board and card games, the term "equalizer" often refers to mechanics or rules designed to balance player advantages and prevent early dominance by skilled or fortunate participants. For instance, in Monopoly, a common house rule randomizes player turn order each round to counteract the first-mover advantage, acting as an equalizer that ensures fairer competition across multiple rounds.^[58] Similarly, catch-up mechanisms in games like Sorry! include "equalizer cards" such as "Sorry" or "switch places" that allow trailing players to disrupt leaders, promoting prolonged engagement.^[59] In Magic: The Gathering, cards like Axis of Mortality enable players to exchange life totals, effectively equalizing health disparities in multiplayer formats.^[60] Educational titles such as the 2016 board game Equalizer further embody this by using number manipulation on a board to teach mathematical balancing.^[61] In esports and video games, an "equalizer" typically denotes a pivotal ability, strategy, or moment that ties or reverses scores during competitive play. In League of Legends, Rumble's ultimate ability, The Equalizer, deploys a line of rockets creating a damaging, slowing zone that can decisively turn late-game team fights, often hailed as a clutch equalizer in professional matches like Worlds 2014.^[62]^[63] Standalone titles illustrate the theme directly; the 1987 Commodore 64 game The Equalizer is a side-scrolling platformer where players navigate balancing mechanics across levels to progress.^[64] The 2017 arcade game Equalizer integrates music-themed platforming, with players adjusting elements within a virtual tape recorder to "equalize" challenges and unlock levels.^[65] Beyond structured games, recreational activities employ equalizers to level skill gaps. In golf, the handicap system serves as a primary equalizer, adjusting scores based on a player's average performance to allow equitable competition among amateurs of varying abilities, as standardized by organizations like the NCGA.^[66] In billiards, particularly APA league play, The Equalizer® handicap system mathematically balances matches by requiring lower-skilled players to win fewer games or rack balls, incorporating defensive shots to maintain fairness without altering core rules.^[67] The terminology of "equalizer" in gaming culture emerged prominently in the 20th century, evolving from sports analogies to describe balancing elements in recreational and digital contexts, with increased usage in esports by the 2010s for comeback scenarios.^[68] As of 2025, it persists in discussions of accessibility, positioning gaming as a social equalizer for diverse participants.^[69]

Other uses

Military applications

The GAU-12/U Equalizer is a five-barrel 25 mm Gatling-type rotary cannon developed by General Dynamics in the late 1970s as a lighter counterpart to the 30 mm GAU-8/A Avenger, utilizing similar externally powered electric drive mechanisms for high-volume fire in close air support roles.^[70]^[71] Introduced in the 1980s, it was primarily integrated into the AV-8B Harrier II jump jet for the U.S. Marine Corps and the AC-130U Spooky gunship for the U.S. Air Force, with additional mounting on the LAV-AD (Light Armored Vehicle-Air Defense) variant for ground-based anti-air and anti-armor defense.^[72]^[71] The system weighs 122 kg complete and achieves a rate of fire between 3,600 and 4,200 rounds per minute, with an effective range of approximately 1.5 km against ground targets using ammunition such as armor-piercing incendiary (API) and high-explosive incendiary (HEI) rounds.^[70]^[73] In operation, the GAU-12/U provided suppressive fire during the 1991 Gulf War, where AV-8B Harriers equipped with the cannon flew over 3,300 sorties, delivering 25 mm depleted uranium and HEI rounds against Iraqi armored vehicles and fortifications in support of ground forces.^[74] It saw further deployment in Afghanistan from the early 2000s, integrated on AC-130U gunships for armed reconnaissance and close air support missions against Taliban positions, leveraging its rapid fire to engage soft-skinned and lightly armored targets at night.^[75] The LAV-AD variant, armed with the GAU-12/U and Stinger missiles, was tested for low-altitude air defense but entered limited service for ground protection roles, including potential integration in Marine expeditionary units.^[72] The rotary cannon's mechanics rely on an electric motor driving a rotor assembly, where each barrel fires once per revolution, yielding a rate of fire calculated as:

\text{RPM} = (\text{number of barrels}) \times (\text{rotor rotations per minute}) \times (\text{shots per rotation per barrel})

For the standard configuration, this simplifies to five barrels times the rotor speed (typically 720 RPM), producing up to 3,600 rounds per minute at base settings.^[70] Beyond hardware, "equalizer" emerged as military slang in 20th-century U.S. culture for firearms, particularly pistols, originating from Western frontier lore where the Colt Single Action Army revolver was dubbed the "great equalizer" for democratizing combat between unequally matched opponents.^[76] This term persisted in military contexts through the mid-20th century, symbolizing a sidearm's role in balancing power dynamics. As of 2025, no major upgrades to the GAU-12/U have been introduced since 2020, but it remains in the active U.S. inventory primarily on the AV-8B Harrier II, which is scheduled for retirement in 2026, pending full transition to newer systems.^[71]^[77]

Metaphorical uses

The term "great equalizer" has long served as a metaphor for forces or phenomena that diminish social, economic, or hierarchical disparities, leveling the playing field among individuals regardless of status. This idiomatic expression traces its conceptual roots to 17th-century English literature and rhetoric, where ideas of impartial forces—such as death—were invoked to underscore universal human vulnerabilities, though the precise phrasing gained prominence in 19th-century American discourse. By the 1800s, it expanded in rhetorical use to describe societal mechanisms promoting fairness, reflecting Enlightenment ideals of balance in an unequal world.^[78] One of the earliest and most enduring applications refers to death as the ultimate impartial force, a notion drawn from the Bible's Ecclesiastes, which states that "all things come alike to all: there is one event to the righteous, and to the wicked," emphasizing mortality's disregard for wealth or power. This idea was popularized in English literature by William Shakespeare, particularly in Hamlet's famous graveyard scene, where the skull of Yorick symbolizes how death reduces kings and beggars to dust, stripping away earthly distinctions. In 19th-century American writings, Mark Twain echoed this theme in essays like "The Decay of the Art of Lying," portraying time and mortality as forces that humble pretensions, though he more famously quipped on life's absurdities in works such as The Adventures of Huckleberry Finn, where social hypocrisies are exposed as fleeting before inevitable equality in death. Education emerged as another "great equalizer" in the mid-19th century, championed by reformer Horace Mann in his 1848 lecture, where he argued that "education, then, beyond all other devices of human origin, is the great equalizer of the conditions of men—the balance-wheel of the social machinery." Mann's vision positioned public schooling as a tool to mitigate class divides by providing equal access to knowledge and opportunity, influencing American policy and rhetoric for generations. In contemporary contexts, the internet and artificial intelligence (AI) tools have been hailed similarly for democratizing knowledge as of 2025; for instance, AI-driven platforms enable personalized learning and global information access, potentially bridging educational gaps for underserved populations.^[79] Beyond these, the metaphor appears in business and policy discussions, where initiatives like affirmative action or inclusive hiring practices are described as equalizers that balance opportunities in competitive markets. In slang, particularly from 1920s hardboiled detective fiction and pulp magazines like Black Mask, a handgun was termed an "equalizer," symbolizing how a weapon empowers the physically weaker against stronger adversaries, a trope rooted in the Colt revolver's cultural legacy as a democratizer of force.^[80] Culturally, the phrase resurfaced in 2024 U.S. election discourse, with commentators noting technology—such as AI in political campaigning—as a "great equalizer" that levels fundraising and outreach for underdog candidates.^[81] Philosophically, the "equalizer" metaphor fuels debates on equality versus equity, where equality implies uniform treatment and equity demands tailored adjustments to achieve fair outcomes, as explored in John Rawls' A Theory of Justice (1971), which critiques strict equality for ignoring natural disparities. Related concepts, like Pareto efficiency in resource distribution, illustrate how reallocations can improve welfare without harming others, serving as an abstract equalizer in economic philosophy by optimizing societal balance without forced uniformity. By 2025, climate change has been invoked as a modern global equalizer, indiscriminately threatening health and ecosystems across socioeconomic lines through events like wildfires and floods, though it disproportionately burdens vulnerable communities.^[82]

References

[1]
https://www.izotope.com/en/learn/principles-of-equalization
[2]
Music 101: What Is an Equalizer? Plus - MasterClass
Aug 10, 2021 · An equalizer (also called an “EQ”) is an audio filter that isolates certain frequencies and either boosts them, lowers them, or leaves them ...
[3]
Enhance Your Sound with Audio Equalization - Avid
May 16, 2024 · What is an audio equalizer (EQ)? ... EQ, short for equalization in audio, refers to the process of shaping the frequencies of an audio signal.<|control11|><|separator|>
[4]
What is the difference between an equalizer and a mixer? The ...
Nov 29, 2022 · FAQ:What is an equalizer? Equalizer is an electronic device that can separately adjust the amplification of electric signals of various ...
[5]
How does the Equalizer work? - drum-tec
The basic principle of the EQ is to alter volumes in specific frequency ranges (frequency bands). Generally, there are three approaches for this.
[6]
https://vintageking.com/blog/history-of-eq/
[7]
A Brief History of Equalization - Black Rooster Audio
May 2, 2023 · Radio & Television and the Roaring 20s. The first equalizers were developed in the early years of radio broadcasting in the 1920s. At the time, ...
[8]
History and Development of Equalization - Creative Mixing Blog
Jun 10, 2023 · The history of EQ begins in the 1930's when the first instance of it appeared being used in audio receivers and phonograph playback.
[9]
A short history of graphic and parametric equalization
Feb 22, 2016 · In 1971, Daniel Flickinger invented an important tunable equalizer. His circuit, known as `sweepable EQ', allowed arbitrary selection of ...
[10]
Types of Equalizers and Their Applications - Sonarworks Blog
Mar 1, 2023 · Graphic equalizers are simply a collection of fixed-frequency peak/notch filters that can be used to cut or boost several predefined frequency ...
[11]
https://www.sharetechnote.com/html/Communication_Equalizer.html
[12]
What Are the Different Types of EQ and Filters? - Icon Collective
The most common types of EQ used in music production are parametric, semi-parametric, dynamic, graphic, and shelving.
[13]
https://www.pcmag.com/encyclopedia/term/equalization
[14]
https://cioffi-group.stanford.edu/doc/book/chap3.pdf
[15]
Cookbook formulae for audio EQ biquad filter coefficients
When S = 1 , the shelf slope is as steep as it can be and remain monotonically increasing or decreasing gain with frequency. The shelf slope, in dB/octave, ...Missing: principles response
[16]
What is Live? - Ableton
Live is fast, fluid and flexible software for music creation and performance. It comes with effects, instruments, sounds and all kinds of creative features
[17]
https://www.scribd.com/document/73484220/History-of-Equalisation-ieee
[18]
How to Use Equalizer on Spotify Web Player to AI Audio Tuning
This article explores the sophisticated integration of audio tuning capabilities within the Spotify Web Player, specifically focusing on how users can ...
[19]
Equalizer - ShareTechnote
Equalization is a process used in communication systems to reverse the distortion incurred by a signal as it travels through a medium (like air in wireless ...Missing: types | Show results with:types
[20]
A Classification of Equalization Techniques | Wireless Pi
May 2, 2022 · Equalization refers to any signal processing technique that eliminates or reduces this ISI before symbol detection.
[21]
Definition of equalization | PCMag
(1) In communications, techniques used to reduce distortion and compensate for signal loss (attenuation) over long distances.
[22]
[PDF] Equalization - John M. Cioffi
Definition 3.4.1 [Zero-Forcing Equalizer] The ZFE transfer characteristic is. W(D) = 1. Q(D) · khk . (3.95). The ZFE processes the sampled matched-filter ...
[23]
4.5 equalizers and its types | PDF - Slideshare
1. Equalizers are used to reduce inter-symbol interference in wireless communication and help reduce bit errors at the receiver. 2. There are two main types ...
[24]
Adaptive Equalization for Modems | IEEE Communications Society
Robert W. Lucky of Bell Labs develops an adaptively equalized modem that compensates for phase and amplitude distortions of telephone voice channels. Adaptive ...
[25]
History of Equalisation-Ieee | PDF - Scribd
Rating 5.0 (1) The so-called Tomlinson-Harashima precoding uses the feedback filter tap ... Tomlinson, "New Automatic Equalizers Employing Modulo Arithmetic," Elect.
[26]
[PDF] Combined Equalization and Coding Using Precoding
These techniques generalize the precoding techniques for uncoded modulation that were proposed independently more than 20 years ago by Tomlinson [5] and by.
[27]
[PDF] Lecture 11 - WINLAB, Rutgers University
6.2 Zero Forcing Equalizer. The Zero Forcing Equalizer combines the channel and equalizer impulse response to force to zero at all but one of the taps in the ...
[28]
Polarization Combining and Equalization in 5G Mobile ... - IEEE Xplore
Apr 28, 2022 · This article develops maximum likelihood (ML) detection for post-FFT processing of dual-polarized antenna outputs with a cyclic-prefix OFDM ...
[29]
[PDF] Prototyping 6G AI-Native Communications and Sensing Capabilities ...
May 28, 2025 · Neural Receiver focuses on Chan-Est and EQ functions. • Validation first in simulation, lab, Open Source, then ORAN deployment.
[30]
What is an Eye Diagram? | High-Speed Design - Altium Resources
Sep 1, 2022 · Bit error rate (BER): By comparing logic thresholds with the received bits in the eye diagram, it's possible to determine a bit error rate. This ...
[31]
Analyzing Eye Diagrams for Signal Integrity in High-Speed PCBs
Apr 22, 2025 · By examining the eye diagram in signal integrity analysis, you can evaluate key metrics such as bit error rate (BER) and signal-to-noise ratio ( ...
[32]
Denzel Washington's Iconic $575 Million Action Franchise ... - Collider
Oct 25, 2025 · Based on the 1980s TV show of the same name, The Equalizer began in 2014 as a collaboration between Washington and Antoine Fuqua, the director ...
[33]
The Equalizer (2014) - Box Office and Financial Information
The Equalizer (2014) ; Legs: 2.97 (domestic box office/biggest weekend) ; Production Budget: $55,000,000 (worldwide box office is 3.5 times production budget).<|separator|>
[34]
The Equalizer 2 (2018) - Box Office Mojo
The Equalizer 2 (2018). Robert McCall serves an unflinching justice for the exploited and oppressed, but how far will he go when that is someone he loves?
[35]
The Equalizer (2014) - Plot - IMDb
Haunted by his mysterious past, Boston hardware store employee Robert McCall now leads a silent, low-profile existence to appease his inner demons.
[36]
The Equalizer movie review & film summary (2014) - Roger Ebert
Rating 3/4 · Review by Susan WloszczynaRemember, movies like "The Equalizer" which do exceptionally well at the box office give Denzel the freedom to do smaller art films like "Fences," "something...
[37]
The Equalizer 2 (2018) - Plot - IMDb
After the bloody night in The Equalizer (2014), retired Defence Intelligence Agency operative Robert McCall returns to Massachusetts to work as a Lyft driver.
[38]
The Equalizer 2 - Rotten Tomatoes
Rating 52% (211) Synopsis Robert McCall's mysterious past cuts especially close to home when thugs kill Susan Plummer, his best friend and former colleague. Now out for revenge, ...The Equalizer · 211 Reviews · Cast and Crew · 5000+ Ratings
[39]
The Equalizer 2 (2018) - Box Office and Financial Information
Opening Weekend: $36,011,640 (35.3% of total gross). Legs: 2.83 (domestic box office/biggest weekend). Domestic Share: 53.6% (domestic box office/worldwide).
[40]
The Equalizer 3 (2023) - IMDb
Rating 6.8/10 (154,924) Box office ; Budget. $70,000,000 (estimated) ; Gross US & Canada. $92,373,751 ; Opening weekend US & Canada. $34,604,229 ; Gross worldwide. $191,067,560.The Equalizer 3 · Plot · The Equalizer 4 · Official Trailer
[41]
The Equalizer 3 - Rotten Tomatoes
Rating 76% (168) Robert McCall (Denzel Washington) has struggled to reconcile the horrific things he's done in the past and finds a strange solace in serving justice.
[42]
The Equalizer 3 (2023) - Box Office and Financial Information
Theatrical Performance ; Domestic Box Office, $92,373,751, Details ; International Box Office, $98,693,809, Details ; Worldwide Box Office, $191,067,560 ; Home ...
[43]
The Equalizer | Rotten Tomatoes
Rating 61% (205) Robert McCall (Denzel Washington), a man of mysterious origin who believes he has put the past behind him, dedicates himself to creating a quiet new life.205 Reviews · Trailers & Videos · 50000+ Ratings · Cast and Crew<|control11|><|separator|>
[44]
The Equalizer 3 Producers and Director Antoine Fuqua on Denzel's ...
Sep 1, 2023 · Directed once again by Antoine Fuqua, who also worked with Denzel on Training Day and The Magnificent Seven, this sequel takes Washington's ex- ...
[45]
Denzel Washington Confirms Equalizer 4 Is on the Way - Esquire
Nov 19, 2024 · Denzel Washington reveals two more Equalizer films are on the way. Many fans believed that The Equalizer 3 marked the finale to the action franchise.
[46]
The Equalizer (TV Series 1985–1989) - IMDb
Rating 7.8/10 (6,428) The Equalizer: Created by Michael Sloan, Richard Lindheim. With Edward Woodward, Keith Szarabajka, Robert Lansing, Mark Margolis.Full cast & crew · Edward Woodward · The Equalizer (1985) · User reviews
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THE EQUALIZER — 10 Unforgettable Episodes - Get TV
Created by Michael Sloan and Richard Lindheim, this hour-long action drama ripped its premise directly from tabloid headlines. Robert McCall (Edward Woodward) ...
[48]
The Equalizer (1985) - CBS Series - TV Insider
Richard Lindheim Creator. Michael Sloan Creator. James Duff McAdams Executive Producer. ⨁Full Cast & Crew. Where to Stream. 1985–1989 Series 4 Seasons89 ...<|separator|>
[49]
The Chaotic History of The Equalizer: Health Crisis, Network Battles ...
Aug 26, 2025 · What happens when a gritty 1980s crime drama led by an unlikely British star becomes a cultural phenomenon, only to vanish without a proper ...
[50]
The Equalizer on CBS
A reimagining of the classic series in which Queen Latifah portrays an enigmatic figure who uses her extensive skills to help those with nowhere else to turn.
[51]
'The Equalizer' Ends 5-Season Run With Series Finale - Deadline
May 4, 2025 · In a shock to The Equalizer fans, it was revealed late Friday that the Queen Latifah-led series would end as CBS decided not to order a sixth ...
[52]
The Equalizer (TV Series 2021–2025) - Full cast & crew - IMDb
Cast · Queen Latifah · Tory Kittles · Adam Goldberg, New York 2023. Adam Goldberg · Liza Lapira · Laya DeLeon Hayes · Lorraine Toussaint in Saving Grace (2007).
[53]
The Equalizer 2021 Cast & Character Guide - Screen Rant
Dec 16, 2024 · Queen Latifah stars as Robyn McCall in the Equalizer cast, a former CIA operative who protects the citizens of New York City.Queen Latifah · As Robyn Mccall · The Equalizer 2021's...
[54]
The Equalizer (TV Series 2021–2025) - IMDb
Rating 5.6/10 (20,082) The Equalizer: Created by Andrew W. Marlowe, Terri Edda Miller. With Queen Latifah, Tory Kittles, Adam Goldberg, Liza Lapira. An enigmatic figure uses her ...The Equalizer (2021) · The Equalizer · Superbowl 2021 Spot · Episode list
[55]
The Equalizer Ending Explained: The Cancelled Show Ends On A ...
May 9, 2025 · The Equalizer season 5 finale concludes the series on a high note as Robyn faces her most personal mission yet.
[56]
equalizer noun - Definition, pictures, pronunciation and usage notes
(especially in football (soccer)) a goal that makes the score of both teams equal. Kane scored the equalizer. see also graphic equalizer.
[57]
EQUALIZER definition in American English - Collins Dictionary
In sports such as football, an equalizer is a goal or a point that makes the scores of the two teams equal. [British]. Collins COBUILD Advanced Learner's ...Missing: soccer | Show results with:soccer
[58]
Classic highlights: City 3-2 QPR - Manchester City
May 13, 2023 · Sergio Aguero scored what must be the most famous goal in Premier League history on this day 11 years ago. It was a strike on 93 minutes and ...Missing: 93rd equalizer
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Why Are So Many Premier League Games Being Drawn?
Oct 15, 2024 · With 21 draws from 70 so far, 30% of all games have ended in stalemate. That's the fourth-highest rate in Premier League history. No season has ...
[60]
Inside Jaylen Brown's series-altering final minute of regulation
a deflection that gave the Celtics possession followed by a game-tying three-pointer — in the ...
[61]
MIGUEL ROJAS HITS A GAME-TYING HOME RUN IN THE 9TH ...
Nov 1, 2025 · MIGUEL ROJAS HITS A GAME-TYING HOME RUN IN THE 9TH INNING OF WORLD SERIES GAME 7! · Comments.
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[PDF] Psychological Momentum in Football: The Impact of a Last-Minute ...
Sep 17, 2019 · Relative to an equalizer scored in the 61st minute, a last-minute equalizer had a bigger psychological impact, that is, a stronger positive ...Missing: late | Show results with:late
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Psychological momentum in football: the impact of a last-minute ...
Sep 17, 2019 · PDF | What could be the impact of a last-minute equalizer on players' psychological momentum (PM) in a high-stake, knock-out football match?Missing: late | Show results with:late
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equalizer, n. meanings, etymology and more | Oxford English ...
equalizer has developed meanings and uses in subjects including soccer (1890s), telecommunications (1920s), weaponry (1920s).<|separator|>
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VAR Statistics 2025: An In-Depth Analysis of Video Assistant ...
Aug 6, 2025 · The 2024-25 Premier League season has delivered the highest VAR accuracy rate in the technology's history. With 96% of match decisions now ...
[66]
What are some house rules that make the game of Monopoly fun?
May 4, 2011 · This means player 1 has a 25% advantage over player 4.) So my favorite house rule is an equalizer: player order is made to be random in each ...Is there a difference between playing Monopoly with 'house' rules ...When playing Monopoly do you follow the official rules or make your ...More results from www.quora.com
[67]
Catch-up mechanisms in wargames - Forum - DakkaDakka
Aug 24, 2020 · Equalizer cards (Sorry, Switch places, back 4, etc) 4. Start restrictions 5. Elimination mechanic for pawns. All this factors mean no on is ...
[68]
https://www.gamedeveloper.com/design/asymmetrical-overbalance-in-game-design
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Equalizer Action Plan 2016 | PDF | Numbers | Equations - Scribd
Rating 5.0 (1) This document outlines the rules and procedures for playing the Equalizer Challenge board game, which is intended to develop students' mathematical skills.
[70]
The Equalizer :: Rumble Ability :: League of Legends - MOBAFire
Rumble launches a line of rockets, creating a burning trail that slows by 35% and deals 140 / 210 / 280 (+35% of ability power) magic damage per second for 5 ...
[71]
[Worlds 2014] Ackerman with the Rumble Equalizer - YouTube
Sep 28, 2014 · [Worlds 2014] Ackerman with the Rumble Equalizer. 12K views · 11 years ... The Most ICONIC Moments in League of Legends History. theScore ...
[72]
The Equalizer (1987) - MobyGames
Feb 22, 2023 · The Equalizer is a side scrolling single player platform game. The ... 1987 on Commodore 64; Credits: 2 people; Publishers. Power House ...
[73]
Equalizer (2017) - IGDB.com
Aug 10, 2017 · Equalizer is a musical arcade game in which you act as the main character inside a music tape recorder where you have to jump on platforms ...
[74]
Golf Handicap Index® Explained | Handicap 101 - NCGA
To put it simply, handicaps are equalizers. Want a real (golf) world example? Read to learn what a golf handicap is!
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The Equalizer® Handicap System - American Poolplayers Association
The Equalizer® aids the lesser skilled player by dictating mathematically that he/she needs to win fewer games or points than his opponent to win the match. ( ...
[76]
Asymmetrical Overbalance in Game Design - Game Developer
The player can use special equalizer attacks and dozer skills, but these are tied to a limited resource and cannot be used every time because of that; turning ...
[77]
Esports: The Great Equalizer of Generation Z - Diversity & Inclusion
From an accessibility standpoint, universities and colleges with existing facilities are a major equalizer in terms of how accessible these games are.”.
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POTD: GAU-12 Equalizer | thefirearmblog.com
Mar 22, 2019 · Type: Five-barreled rotary cannon ; Caliber: 25 mm (0.98 in) ; Operation: electric ; Length: 83.2 in (2.11 m) ; Weight (complete): 270 lb (122 kg).
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GAU/GAK to GUU - Equipment Listing - Designation-Systems.Net
Dec 24, 2024 · GAU-12/U, "Equaliser" 25mm 5-Barrel Gun; manufactured by General Electric; used on AV-8B, AC-130U ; GAU-13/A, 30mm 4-Barrel Gun; manufactured by ...
[80]
GAU-12 25MM gun
May 9, 2000 · The GAU-12 is a 25mm six-barrel gun pod with a 300 round capacity, used on AV-8 Harriers, AC-130U gunships, and LAV-AD vehicles.Missing: Equalizer specifications history
[81]
GAU-12 Equalizer | Military Wiki - Fandom
Development. The five-barrel 'Equalizer' cannon was developed in the late 1970s, based on the mechanism of the GAU-8/A Avenger cannon, but firing a new NATO ...Missing: developer | Show results with:developer
[82]
[PDF] APPENDIX R- Aerial Use of DU During the Gulf War - GulfLINK
The AV-8B Harrier aircraft deployed to the Gulf flew 3,342 sorties. A typical combat load would include 300 rounds of 25mm with an equal mix of DU and high ...<|control11|><|separator|>
[83]
AC-130U > Air Force > Fact Sheet Display - AF.mil
The AC-130U “Spooky” gunships' primary missions are close air support, air interdiction and armed reconnaissance. Close air support missions include troops ...
[84]
Famous Gun Nicknames | Rock Island Auction
The six shooter. “The Great Equalizer.” “Judge Colt and his Jury of Six.” A plethora of cool nicknames were inevitable for the iconic Colt Single Action Army ...
[85]
Death and Annihilation I | Finding Meaning in an Imperfect World
Death is not only the great equalizer of people but also the great equalizer of all aspects of life. It makes our achievements and failures, our deepest and ...Missing: phrase | Show results with:phrase
[86]
The Future Of Education: Will AI Be The Great Equalizer? - Forbes
Mar 16, 2025 · AI-driven tools can personalize learning experiences, bridge gaps in educational access, and offer scalable solutions to improve literacy, numeracy, and ...
[87]
equalizer, n. - Green's Dictionary of Slang
J.P. Carstairs Concrete Kimono 100: 'Well, if you haven't a deringer—' 'A what?' 'An equalizer, a gun—'. 1989, [UK], J. Morton Lowspeak .Missing: pulp fiction stories
[88]
Political Campaigns May Never Be the Same - The Atlantic
May 27, 2023 · Martin Kurucz, the founder of a Democratic fundraising company that is betting big on AI, calls the technology “a great equalizer.” “You ...
[89]
Climate Change: The Great Equalizer Threatening Everyone's Health
Feb 28, 2024 · Climate change can cause homelessness, asthma, heart disease, dirty water,..There are many ways climate change affects people's health.