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기술
Translate ratios into decibel (dB) and back.
There are two types of translations:
10*log(P/P0) and 20*log(U/U0).
From Wikipedia, the free encyclopedia:
"A decibel (dB) is one tenth of a bel (B), i.e. 1B = 10dB. The bel is the logarithm of the ratio between two power quantities of 10:1, and between two field quantities in the ratio. A field quantity is a quantity such as voltage, current, sound pressure, electric field strength, velocity and charge density, the square of which in linear systems is proportional to power. A power quantity is a power or a quantity directly proportional to power, e.g. energy density, acoustic intensity and luminous intensity.
The calculation of the ratio in decibels varies depending on whether the quantity being measured is a power quantity or a field quantity.
Two signals that differ by one decibel have a power ratio of 1.258925411794167 and an amplitude ratio of 1.122018454301963."
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https://dimush.github.io/ «dB Calc». 플랫폼: Android. 카테고리: 도구. 개발자: «Softosaurus». 첫 번째 릴리스: . 마지막 업데이트: . 현재 가격: 무료. 이 타이틀은 아직 AppAgg에서 평가나 리뷰를 받지 못했습니다. AppAgg는 «dB Calc»의 가격 기록, 평점 및 사용자 피드백을 추적합니다. 향후 할인 및 업데이트 받기: RSS에서 확인할 수 있습니다. AppAgg는 애플리케이션을 호스팅하거나 소프트웨어를 배포하지 않습니다. 모든 상표, 로고 및 스크린샷은 해당 소유자의 자산입니다.
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