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Clock Tuner icon

Clock Tuner

2.71 for Android

The description of Clock Tuner App

A Timegrapher

This app is to measure the BPH(Beats per hour) of mechanical watches.
It will display time error per day as well.

The app uses microphone to measure BPH.

** Recommend to plug a microphone into phone and attach the microphone to the back of your watch.
** Basic version display wave graph and pulse interval histogram.
** Frequency display requires 'Premium' upgrade.

** Please test the app with your watch before you purchase 'Premium' upgrade. The app will work as Premium during 30 min.

Not for digital clocks.
Not working in noisy environment.
Set microphone direction toward a clock.

- Review from Mr. Kojima
http://www.thewatchsite.com/index.php/topic,42142.0.html

- Preset example
Rolex or mechanical watch: Target frequency: 4 or 5Hz, Sample duration: 2Sec, Sensitivity: manual 50
Most pendulum clock: Target frequency: 1 or 2 Hz, Sample duration: 5 or 10 Sec, Sensitivity: medium

FAQ.
1) in the settings there is a sensitivity option with a high, medium, low and 3 manual settings, can you explain how this changes the results

It determines sound amplitude threshold for detecting clock sound. If your clock sound is loud you may reduce sensitivity. This will allow more environmental noises.
If you increase the sensitive, you may measure hand watches. But small noise may measurement errors.

2) why does the detected frequency change between light grey, black and red
Red means smaller drift during the measurement interval while grey means that measurement may have an error.

3) the average frequency does not always calculate, it stays at NaN
The 'detected frequency' should be red continuously.

4) how do you calculate the pulse drift %
abs(max detected frequency - min detected frequency) / detected frequency during 1 detection cycle.

5) what are the 2 graphs showing and what data are you using for the calculations
The size of bars in the upper graph should be almost the same.
The bottom shows amplitude of sound wave recorded from micro phone.

6) are newer versions of the app being developed

** You may provide sound sample by sending wav or mp3 file to admin@athumbcut.com
Show More

Clock Tuner App 2.71 Update

2021-09-30
In this version we have updated the interface design of the application and updated the billing library. In addition, we provide more details for the tuner configuration and version information under the settings tab.

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Additional App Information

Previous versions
  • V2.71 2.9 MB APK

    Clock Tuner

    2021-09-30

    Clock Tuner 2.71 (271)

    Update on: 2021-09-30

    App uploaded by: Yann Victor

    Requires Android: Android 7.1+ (N, API 25)

    Signature: 46af24fb382c8db7911af18430a6b6f0d5725cc7 Clock Tuner 2.71(271) safe verified

    Screen DPI: nodpi

    Architecture: universal

    File SHA1: acb14bddc575aa9c2d0bab25c1a0ecc4c05d5828

    File Size: 2.9 MB

    What's new:

    Download

  • V2.63 2.8 MB APK

    Clock Tuner

    2019-10-18

    Clock Tuner 2.63 (263)

    Update on: 2019-10-18

    App uploaded by: Aung Lay

    Requires Android: Android 4.4W+ (Kitkat Watch, API 20)

    Signature: 46af24fb382c8db7911af18430a6b6f0d5725cc7 Clock Tuner 2.63(263) safe verified

    Screen DPI: nodpi

    Architecture: universal

    File SHA1: d64fdc0c22afb935524d11fd26860737ea24e134

    File Size: 2.8 MB

    What's new:

    Download

  • V2.61 2.8 MB APK

    Clock Tuner

    2017-05-16

    Clock Tuner 2.61 (261)

    Update on: 2017-05-16

    App uploaded by: Aung Lay

    Requires Android: Android 4.4W+ (Kitkat Watch, API 20)

    Signature: 46af24fb382c8db7911af18430a6b6f0d5725cc7 Clock Tuner 2.61(261) safe verified

    Screen DPI: nodpi

    Architecture: universal

    File SHA1: a82a04bef524d057e66a2ee0032a1ed8dd1a20c4

    File Size: 2.8 MB

    What's new:

    Download

  • V2.50 2.8 MB APK

    Clock Tuner

    2017-05-13

    Clock Tuner 2.50 (250)

    Update on: 2017-05-13

    App uploaded by: Aung Lay

    Requires Android: Android 4.4W+ (Kitkat Watch, API 20)

    Signature: 46af24fb382c8db7911af18430a6b6f0d5725cc7 Clock Tuner 2.50(250) safe verified

    Screen DPI: nodpi

    Architecture: universal

    File SHA1: 78c936dc5dc5d1e2bfa9e01e17b548948cf09783

    File Size: 2.8 MB

    What's new:

    Download

  • V2.11 2.8 MB APK

    Clock Tuner

    2015-08-31

    Clock Tuner 2.11 (211)

    Update on: 2015-08-31

    App uploaded by: Pond Dunlo

    Requires Android: Android 2.3.2+ (Gingerbread, API 9)

    Signature: 46af24fb382c8db7911af18430a6b6f0d5725cc7 Clock Tuner 2.11(211) safe verified

    Screen DPI: 120-480dpi

    Architecture: universal

    File SHA1: 3ef6228cf5ecd75b44338b7c1358c168282ca179

    File Size: 2.8 MB

    What's new:

    Download

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