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Audiobel: Professional SPL
Audiobel: Professional SPL Vs. Decibels: dB Sound Level Meter

Audiobel: Professional SPL 與 Decibels: dB Sound Level Meter 使用情況與統計

Audiobel allows you to precisely measure the sound level with the use of the microphone of your device expressed in decibels. Features: • Display average, max and min levels of decibels. • Displays peak and average in real time graphic. • Calibrate it for most precise measurements. • Choose the frequency of the measure. • Record and save the audio. • Export your recordings by email. • Calibrated using real devices. • Reset. Questions & support: contact@cozain.com

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Decibels: dB Sound Level Meter

Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you with precision & style. Features: - Smooth analog display of dB(A) - Take photo with sound level display - Share, print, and store sound level photos Extra Features (with purchase): - Select frequency weightings A, C, and Z - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL). Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB