Sound Level Analyzer Lite - Simple dB Meter|工具線上App不用買-HotApp4Game

"Sound Level Analyzer Lite" is a sound level meter application for the iPhone. You can easily measure the sound levels such as the neighboring environmental noise or the live event. With a built-in iPhone's microphone, this app could display neighboring mean sound level and the minimum, the maximum value just to set filter characteristic (A/C/Z) and time characteristic (Fast/Slow). It also has the calibration function to adjust the microphone level for each device.*** New Release info ***Recommend our new music player, "Sound EQ palette" to customize the sound with your feeling.TOON,LLC is a company that seeks the comfort of sound environment based on our acoustic proprietary technology, and we will provide tools for audio professional, sound technology, home theater installer, and anyone who loves audio. Feature: - Sound Level Measurement : Leq (time-average sound level), Lmin (minimum sound level), Lmax (maximum sound level) - Display range : 0 - 130dB (measurement range: 20 - 110dB) - Frequency weighting : A and C weighting filters, Z (None weighting) - Time weighting : Fast=125ms / Slow=1.0sec - Calibration function : -20 - +20dB / 1dB unit - Measurement time : 20 sec Note: This app is adjusted the reference value for iPhone. However, the built-in microphone of your iPhone is likely to have a non-uniform gain. The more exact measurement should be calibrated using the absolute level calibration devices. The authorization for access to the built-in microphone will be confirmed by the iOS system at first boot. Please enable access to the microphone.For a more detailed sound analysis, we recommend that you choose our high performance app "Sound Level Analyzer" which has powerful measurement functions. In addition, if a further detailed acoustic analysis is required, please consider our Audio measurement tools, the iPhone app "Audio Frequency Analyzer" and the iPad app "fo-Kannon - Audio Frequency Analyzer".Please visit our iOS App Support page for more information on this app.