dB Calculator Plus 與 Active Witness Mobile 使用情況與統計

dB Calculator is a physics/math calculator designed to find sound pressure level (SPL) and sound intensity level (SIL) in decibels quickly and easily. Features: - Instant calculation - Results are copyable to other apps - Formulas are included as a reference - Support up to 16 decimal places Sound pressure level (SPL) SPL is a ratio of the absolute sound pressure to a reference level, usually the Threshold of Hearing, or the lowest intensity sound that can be heard by most people. SPL is measured in decibels (dB) due to the broad range of intensities we can hear. Formula: SPL = 20 * log (P/Pref) Where: SPL - is the sound pressure level in dB P - is the sound wave pressure, measured in pascals Pref - is the reference value of sound pressure, typically assumed to be equal to 0.00002 Pa Sound intensity level (SIL) Sound intensity is defined as the sound power per unit area, typically measured in the air at a listener's location. The basic units are watts/m² or watts/cm². Formula: SIL = 10 * log (I/Iref) Where: SIL - is the sound intensity level in dB I - is the sound intensity in watts per squared meter Iref - is the reference value of sound intensity, typically assumed to be equal to 10⁻¹² W/m² Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.
  • Apple App Store
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  • 公共設施

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Active Witness is a state-of-the-art 2 Step authentication access system that utilizes artificial intelligent cameras connected to our powerful cloud service. Only authorized personnel are permitted to enter through a door secured by our AI Camera. This app serves as the control center for your spaces' access, as well as employee identification badge. If you're an employee, reach out to your administrator for access to the building. Privacy Statement: We take your privacy very seriously. We use facial recognition technology to perform facial authentication. This allows us to verify identity and grant access to a location. Facial data will be stored on our servers only for the purpose of identification. Your personal data, including your face picture will not be shared with third parties. After taking a picture of your face, it is uploaded to our server and stored there to authenticate your identity when entering a zone controlled by Active Witness. Data is stored on an encrypted server and transmitted in a secure manner to our remote server. You have a right to your data. If you wish to have your personal data removed from the system, due to ceasing consent or affirmatively revoking consent, then we will remove your personal data. After your account is terminated, we will delete all data associated with your account within 90 days.
  • Apple App Store
  • 免費版
  • 公共設施

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dB Calculator Plus與 Active Witness Mobile 比較排名

比較過去 28 天的 dB Calculator Plus 排名趨勢與 Active Witness Mobile

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比較過去 28 天的 dB Calculator Plus 排名趨勢與 Active Witness Mobile

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dB Calculator Plus VS.
Active Witness Mobile

12月 15, 2024