Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Sound Level Analyzer Lite 螢幕截圖

iPhone

About Sound Level Analyzer Lite

"Sound Level Analyzer Lite" is a sound level meter app for iPhone.

Available in variety of applications as the neighboring environmental noise measurement, audio system check, vehicle interior noise check, sound check of live events, and more.

This app can easily set the frequency weighting characteristic and the time weighting characteristic necessary for sound level meter, and appropriate sound level measurement is possible.

It also has the calibration function to adjust the microphone level for each device.

Features:
- Sound level measurement (dB): Leq (equivalent noise level), Min (minimum value), Max (maximum value), Avg (time average equivalent noise level)
- Frequency weighting correction characteristics : A (for noise level meter), C (for sound level measurement), Z (no correction)
- Time weighting characteristics : Fast = 0.125 sec, Slow = 1.0 sec
- Calibration function: level correction value setting, -20 to +20dB
- Measurement time: 20 sec

Applications:
- Live Sound
- Environmental noise measurement
- Installation of audio equipment
- Tuning of audio equipment
- Architectural acoustics
- Broadcast
- Device management

Example of the noise level situation:
- 130dB : Engine sound of Airplane
- 110dB : Horn of Car
- 100dB : Noise of passing train
- 90dB : In loud factory
- 80dB : In the train, Vacuum cleaner
- 70dB : Noisy office, Noisy street
- 60dB : Quiet Car, Normal conversation
- 50dB : Quiet office
- 40dB : In the library, Quiet residential area
- 30dB : Outskirts of midnight, Whisper
- 20dB : Sounds of rubbing leaves

Note:
At the time of the first access to Microphone after installing the app, you will be asked authorization to access them by the iOS system. If you have not enabled this setting, the app can not access them by privacy restrictions of the iOS system. Please enable the access permission on the iOS setting, "Settings > Privacy > Microphone".

The standard noise measurement range is 30-130 dBA, and even in a quiet room, the measured value is approximately 30 dBA. In any silent environment, it will not be measured with very low noise levels, such as 0 dBA.

The WHO has proven direct links between noise and health risks; tinnitus, sleep disturbance, stress, cognitive impairment, heart diseases and annoyance in general. Please check your environmental noise for your wellness.

Please visit our iOS App Support page for more information on this app.