Sound Level Meter for pc icon

Sound Level Meter APK  v 1.4.3

Sound level meter ( dBa, dBc) with spectrum analyzer & calibration.

by BOLDEN

Category
Tools
Last Updated
11-6-2018
Latest Version
1.4.3
Size
2.89 MB
Downloads
100,000
Android version
4.0.3 and up
Content Rating
Everyone
Date Released
Jun 6, 2016

Screenshots

Sound Level Meter pc screenshot 1Sound Level Meter pc screenshot 1Sound Level Meter pc screenshot 1

Sound Level Meter APK Description

This application, can determine the total noise level, and be used as a spectrum analyzer for the microphone signal.

Rate the quality of the microphone bandwidth of your device, using a spectrum analyzer.
Determine the dynamic range of the sound in different frequency bands.

It can be used as a VU-meter in FAST mode and as a RMS-meter in SLOW mode time weighting.

Available user equalizer, for microphone calibration to get more accurate results.

Support bluetooth handsfree microphone.

This app allows you to measure:
- the total sound level
- sound level in selected bands ( size band one or 1/3 octave)
- minimum & maximum level of the measurement period
- measuring of frequency with maximal level.
- shows the spectrum of the signal.

This App allows set next properties:
- size FFT 4096 or 8192 ( frequency resolution 10,7 Hz or 5,4 Hz )
- Fast or Slow time weighting ( t = 1 sec and 0,125 sec )
- enable A, C, or ITU-R 468 frequency weighted

This App allows you to enter a correction (calibration) AFC, to account for the uneven frequency response of the microphone and recording device path.

This App not guarantee accurate readings which can be used for scientific measurements, as the device can be carried with dynamic signal processing
(automatic gain control,limiter NR), which not controlled by the program.

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Sound Level Meter Needs Following permissions:

record audio
view network connections
pair with Bluetooth devices
access Bluetooth settings
send sticky broadcast
full network access
change your audio settings
prevent device from sleeping
receive data from Internet