價格：免費
更新日期：2017-12-05
檔案大小：5.6 MB
目前版本：1.1
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Decibel Sound Analyzer is full of features sound level meter with an exclusive accuracy of measurements and integrated spectrum analyzer. Calibrated with a professional dB meter.
The world is a noisy place: cars, power tools, crowds, machinery, and other common sources produce amounts of noise that can, with continued exposure, lead to a permanent hearing loss. Sound level meters are useful for anyone who wants to avoid exposing their ears to harmful noise levels, but who wants to spend hundreds of dollars on one?
Features:
* a measure of sound level, vibration meter, noise detector
* record of minimum (Min), average (AVG), maximum (Max) sound level
* logarithmic graph of sound level in decibels (dB)
* calibration tool - two modes: manual and auto calibration
* Ability to stop and record the results of measurements at any time
* Setting: Increase and decrease DB level.
* WB: Change BG color.
Have any questions or suggestions? Write to us: aamirullah5050@gmail.com
DB Chart
110-120 dB = Threshold of pain, Thunder
110 decibel = Rock music, Screaming child.
110 dB = Subway train, Blow dryer.
90 dB= Factory machinery at 3 ft.
80 decibel = Busy street, Alarm Clock.
70 dB = Busy traffic, Phone ringtone.
60 decibel = Normal conversation at 3 ft.
50 dB = A quiet, library conversation.
40 decibel = Quiet Residential area, Park.
30 dB= Quiet Whisper at 3 ft, Library.
20 decibel= Rustling leaves, Ticking Watch.
支援平台：iPhone, iPad