About Frequency measurement app
It is a tool to measure the frequency of a sound source with a constant frequency such as belt tension measurement. The scale (just intonation) is also displayed. Operation explanation 1, Press the "Start" button to start...
It is a tool to measure the frequency of a sound source with a constant frequency such as belt tension measurement.
The scale (just intonation) is also displayed.
Operation explanation
1, Press the "Start" button to start collecting sounds.
--The waveform of the collected sound is displayed in gray at intervals of 200ms (0.2 seconds).
2, Detect a constant frequency.
--Displays 6 wavelengths of the detected constant frequency waveform in red.
You can visually check whether the measured sound is correct.
--The frequency and scale are displayed at the top of the screen.
--You can tap the measured waveform to zoom in / out and scroll.
3, The measurement results are listed on the right side and the average value is displayed.
--Up to 10 lists are retained and deleted from oldest to newest.
--Press the "CLEAR" button to clear all list data.
The following settings can be made.
1, "upside down"
-The screen flips upside down.
――When flipped, you can measure with the call port facing up.
2, "Continuous measurement"
--Continuously measure the waveform.
3, "Automatic extremum calculation"
--The extreme value of the waveform is calculated automatically.
4, "Extreme judgment threshold"
--If automatic extremum calculation is off, the extremum is calculated with the set value.
5, "Dumping parameter"
――It is easier to detect the frequency even when the volume is attenuated, such as when you hit the sound.
6, "Average number"
--Set the number to average the measured raw waveforms.
—— For treble, lower the average number, and for bass, increase the average number for better results.
The detectable frequency is generally in the range of 70-2000Hz.
Note: This tool uses the recording function of android, and the measurement accuracy is
Since it depends on the model, we do not guarantee the accuracy of the measured frequency.
Previous Versions
Here you can find the changelog of Frequency measurement app since it was posted on our website on 2019-11-06 13:18:24.
The latest version is 25 and it was updated on 2024-04-22 15:20:47. See below the changes in each version.
Frequency measurement app version 25
Updated At: 2021-09-23
Changes: Minor bug fixes.
Frequency measurement app version 23
Updated At: 2021-07-15
Changes: Permission Error bug fix
Frequency measurement app version 22
Updated At: 2021-06-26
Changes: Scale display bug fix
Frequency measurement app version 1.15
Updated At: 2018-07-27
Disclaimer
Official Google Play Link
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