Vibrations! (Ads)
8.1 15
v2.5 by jjbunn
About Vibrations
Vibrations (Package Name: com.julian.apps.VibrationsAds) is developed by jjbunn and the latest version of Vibrations! (Ads) 2.5 was updated on August 10, 2017. Vibrations! (Ads) is in the category of Lifestyle. You can check all apps from the developer of Vibrations! (Ads) and find 96 alternative apps to Vibrations! (Ads) on Android. Currently this app is for free. This app can be downloaded on Android 4.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Vibrations is an app for measuring mechanical vibrations and acoustic noise from engines, the environment, machines, and other equipment. (Ads supported.)
This is (currently) the only app that combines acoustic *and* mechanical measurements!
Uses: monitoring vehicle engine vibration, monitoring vibrations of household appliances (dishwasher, refrigerator, waste disposal units, clothes dryers, etc.), measuring g-force in moving vehicles, helping to identify failing gears, evidenced by knocking sounds, modes, etc..
Vibrations uses data streams from the built-in accelerometer and microphone: it calculates two simultaneous FFTs, one from the mechanical measurements, one from the audible measurements. It then shows the frequency spectra on the screen. The frequency axis is labelled in Hz and RPM (revolutions per minute).
Four on-screen software gauges give an overview of the measurements:
1) The g-force (excluding gravity), which measures acceleration
2) The frequency of the current peak in the mechanical/vibration noise
3) The frequency of the current peak in the acoustic noise
4) The sample rate at which mechanical vibrations are being measured
Screen shots can be taken using the "Save Screen" button, and stored to the SD card.
Time series of accelerometer data (up to 20 seconds) can be recorded and saved using the "Record Data" button. Since data are continually being gathered, the recorded data written to the file actually starts a second or so *before* the button was pressed. Recording can be interrupted while in progress, and the data discarded or saved. Otherwise, the recording will automatically terminate after 20 seconds have elapsed, and the data discarded or saved then.
Data collection for the screen and record mode can be paused and resumed using the "Pause"/"Resume" button.
Please contact me if you have suggestions for improvements or enhancements (or to report problems).
Also, please note that the frequency limit of the mechanical vibration measurement is limited by the maximum rate that accelerometer samples can be obtained from the Android device: this typically varies from device to device - e.g. on the Nexus 7 and 10 tablets, the rate is ~200 samples/sec, giving a maximum frequency measurement of ~100Hz or 6000 RPM. On the Galaxy S3 the rate is ~100 samples/sec, giving a maximum frequency of ~50Hz.
This is (currently) the only app that combines acoustic *and* mechanical measurements!
Uses: monitoring vehicle engine vibration, monitoring vibrations of household appliances (dishwasher, refrigerator, waste disposal units, clothes dryers, etc.), measuring g-force in moving vehicles, helping to identify failing gears, evidenced by knocking sounds, modes, etc..
Vibrations uses data streams from the built-in accelerometer and microphone: it calculates two simultaneous FFTs, one from the mechanical measurements, one from the audible measurements. It then shows the frequency spectra on the screen. The frequency axis is labelled in Hz and RPM (revolutions per minute).
Four on-screen software gauges give an overview of the measurements:
1) The g-force (excluding gravity), which measures acceleration
2) The frequency of the current peak in the mechanical/vibration noise
3) The frequency of the current peak in the acoustic noise
4) The sample rate at which mechanical vibrations are being measured
Screen shots can be taken using the "Save Screen" button, and stored to the SD card.
Time series of accelerometer data (up to 20 seconds) can be recorded and saved using the "Record Data" button. Since data are continually being gathered, the recorded data written to the file actually starts a second or so *before* the button was pressed. Recording can be interrupted while in progress, and the data discarded or saved. Otherwise, the recording will automatically terminate after 20 seconds have elapsed, and the data discarded or saved then.
Data collection for the screen and record mode can be paused and resumed using the "Pause"/"Resume" button.
Please contact me if you have suggestions for improvements or enhancements (or to report problems).
Also, please note that the frequency limit of the mechanical vibration measurement is limited by the maximum rate that accelerometer samples can be obtained from the Android device: this typically varies from device to device - e.g. on the Nexus 7 and 10 tablets, the rate is ~200 samples/sec, giving a maximum frequency measurement of ~100Hz or 6000 RPM. On the Galaxy S3 the rate is ~100 samples/sec, giving a maximum frequency of ~50Hz.
Vibrations 2.5 Update
Some cosmetic improvements for devices with small screensAdded Menu Button
Added Menu Option "Keep Screen On"
Added rate Vibrations option
Cosmetic adjustments to layout
Read More
Vibrations Features
Previous Versions More
Vibrations! (Ads)
2.5
APK
August 3, 2017
1.4 MB
Requires Android: Android 4.0+
Screen DPI: 160-480dpi
SHA1: 03b3e332b72dc624d7d03ed3479f70a62c755ba4
Size: 1.4 MB
What's New:
Some cosmetic improvements for devices with small screens
Added Menu Button
Added Menu Option "Keep Screen On"
Added rate Vibrations option
Cosmetic adjustments to layout
Added Menu Button
Added Menu Option "Keep Screen On"
Added rate Vibrations option
Cosmetic adjustments to layout
Vibrations! (Ads)
2.3
APK
October 12, 2015
230.29 KB
Requires Android: Android 2.3.2+
Screen DPI: 160dpi
SHA1: ac694502d8f48013bc4776481aae11fe15984113
Size: 230.29 KB
What's New:
v2.3 Added "Record Data" button, which will allow save of up to 20secs of timestamped Accelerometer data
The files contain tab-delimited time (secs) ,accx,accy,accz,accmag (m/s^2) values.
(Saved data files are placed in the "Vibrations" directory on the SD card)
The files contain tab-delimited time (secs) ,accx,accy,accz,accmag (m/s^2) values.
(Saved data files are placed in the "Vibrations" directory on the SD card)
More Information
Package Name:
Update Date:
2017-08-10
Latest Version:
2.5
Need Update:
Requirements:
Android 4.0+
Report:
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