Tuner

Tuner Free App

Rated 4.21/5 (33) —  Free Android application by kmlen

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About Tuner

Accordion tuner with scope, spectrum and strobe. Can show up to eight different notes or reeds concurrently.

Using:
Hold the phone/tablet near the instrument, play a note and observe the display. In portrait the app shows a scope with the input signal, a spectrum showing the processed signal, the main display with the note value, cents error, frequency error etc, a strobe display and a meter display showing the cents error. In landscape the app shows just the main display and the meter. Using the touch setting changes below causes a short notification message to pop up for a few seconds.

Scope:
Touch the scope to add an input low pass filter to make it easier to tune bass reeds my removing harmonics. Touch again to remove it. The colours have been chosen both for clarity, and for that 'retro' look like a real piece of hardware.

Spectrum:
Touch the spectrum to zoom in to the current note. The display can show up to eight reeds. Touch again to zoom back out. Touch and hold to add a downsampling feature to help with bass reeds. This may produce spurious results. Touch and hold again to remove.

Display:
Touch the display to lock the current results. Touch again to remove the lock. Display lock is not preserved if the screen is rotated. Touch and hold the display to switch between displaying the closest result to the reference note and up to eight results. This setting is not remembered the next time you use the app.

Strobe:
Touch the strobe to turn it on and off. Strobe colours are configurable in the settings.

Meter:
The meter shows the cents error up to plus or minus 50 cents. Touch the meter to copy the results to the clipboard. Touch and hold to prevent the display turning itself off. Touch and hold again to allow the display to turn off.

Status bar:
The status bar shows the input sample rate and the status of the various settings.

Settings:
All the settings are preserved except the multiple note option and will be remembered the next time you use the app.

Input:
The input source may be changed. This doesn't make any difference on my tablet, but it may on a phone.
Audio filter
The are audio filter item controls a low pass filter in the audio input before processing.
Downsample
The downsample item controls a downsampling feature on the audio input during processing to help with bass reeds. This feature may cause spurious results

Display:
Keep the display on
The screen item controls the display backlight.
Spectrum zoom
The spectrum zoom item controls the zoom feature of the spectrum display.
Display multiple notes
The multiple notes item controls the display of more than one result on the display.

Strobe:
Strobe
The strobe item controls the strobe display.
Strobe colours
If the strobe is enabled, there is an option to change the colours. There are three predefined settings and a custom setting. If the custom setting is selected the two colours may be changed individually. touch the coloured circle to select a colour.

Reference:
The reference frequency for 'A' may be changed over a limited range. This will be remembered, so change it back to 440Hz before you quit the app.

Tuner 2015

How to Download / Install

Download and install Tuner version 1.1 on your Android device!
APK Size: 1.5 MB, downloaded 1,000+ times, content rating: Everyone
Android package: com.kmlen.tuner, download Tuner.apk

All Application Badges

Free
downl.
Android
3.0+
Bug
buster
For everyone
Android app

App History & Updates

What's Changed
Fix bugs
Version update Tuner was updated to version 1.1
More downloads  Tuner reached 1 000 - 5 000 downloads

What are users saying about Tuner

R70%
by R####:

Great app, well thought and implemented. I use it a lot!


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Rating Distribution

RATING
4.25
33 users

5

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