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Eighting Co., Ltd., [a] stylized as 8ing, is a Japanese video game developer and publisher. It was formerly known as Raizing. [b] It is known for its shoot 'em ups and its licensed fighting games.
The fighting game genre of video game involves combat between multiple characters. Fighting game combat often features mechanics such as blocking, grappling, counter-attacking, and chaining attacks together into "combos". Characters generally engage hand-to-hand combat, often with martial arts.
- History
- Deficiencies
- B-, C-, D-, G- and Z-Weightings
- Environmental and Other Noise Measurements
- Audio Reproduction and Broadcasting Equipment
- Function Realisation of Some Common Weightings
- Transfer Function Equivalent
- See Also
- Further Reading
- External Links
A-weighting began with work by Fletcher and Munson which resulted in their publication, in 1933, of a set of equal-loudness contours. Three years later these curves were used in the first American standard for sound level meters. This ANSI standard, later revised as ANSI S1.4-1981, incorporated B-weighting as well as the A-weighting curve, recognis...
A-weighting is valid to represent the sensitivity of the human ear as a function of the frequency of pure tones. The A-weighting was based on the 40-phon Fletcher–Munson curves, which represented an early determination of the equal-loudness contour for human hearing. However, because decades of field experience have shown a very good correlation be...
A-frequency-weighting is mandated by the international standard IEC 61672 to be fitted to all sound level meters and are approximations to the equal loudness contours given in ISO 226. The old B- and D-frequency-weightings have fallen into disuse, but many sound level meters provide for C frequency-weighting and its fitting is mandated — at least f...
A-weighted decibels are abbreviated dB(A) or dBA. When acoustic (calibrated microphone) measurements are being referred to, then the units used will be dB SPL referenced to20 micropascals = 0 dB SPL.[nb 1] The A-weighting curve has been widely adopted for environmental noise measurement, and is standard in many sound level meters. The A-weighting s...
Although the A-weighting curve, in widespread use for noise measurement, is said to have been based on the 40-phon Fletcher-Munson curve, research in the 1960s demonstrated that determinations of equal-loudness made using pure tones are not directly relevant to our perception of noise. This is because the cochlea in our inner ear analyses sounds in...
The standard defines weightings (A ( f ) , C ( f ) {\displaystyle A(f),C(f)} ) in dB units by tables with tolerance limits (to allow a variety of implementations). Additionally, the standard describes weighting functions R X ( f ) {\displaystyle R_{X}(f)} to calculate the weightings. The weighting function R X ( f ) {\displaystyle R_{X}(f)} is appl...
The gain curves can be realised by the following s-domain transfer functions. They are not defined in this way though, being defined by tables of values with tolerances in the standards documents, thus allowing different realisations:[citation needed]
Audio Engineer's Reference Book, 2nd Ed 1999, edited Michael Talbot Smith, Focal PressAn Introduction to the Psychology of Hearing5th ed, Brian C. J. Moore, Elsevier PressNoise Measurement Briefing. Archived from the originalon 2013-02-25.A-weighting filter circuit for audio measurements Archived 2016-12-31 at the Wayback MachineEighting (エイティング), also known as 8ing, is a Japanese video game developer and publisher, better known for it's shoot 'em ups and licensed fighting games. Formerly known as Raizing (ライジング), it was one of the four companies founded after the demise of Toaplan, along with Cave, Gazelle, and Takumi.
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Eighting Co., Ltd., stylized as 8ing, is a Japanese video game developer and publisher. It was formerly known as Raizing. It is known for its shoot 'em ups and ...
Eighting (エイティング), also known as 8ing, is a Japanese video game developer and publisher. Eighting was originally founded in 1993 by former employees of Compile, best known for their Puyo Puyo and Zanac/Aleste series, including Sotoyama Yuuichi, Kazuyuki Nakashima, and Yokoo Kenichi.
Eighting is a video game developer headquartered in Minamioi, Shinagawa, Tokyo, Japan, and a subsidiary of COLOPL.
