SimpleFFT

SimpleFFT is a real-time Fast Fourier Transform analyzer(audio analyzer) in the low-frequency region using the voice from the microphone built into your Smartphone.
Because it is possible to use it without accessory, you can use it easily anytime and anywhere.
It operates immediately if it starts. The temporal waveform can be displayed.
To the analysis of the failure diagnosis of the equipment, the science education, the voice, and the musical instrument.
This application program can be copied onto SD Memory Card.(only V2.2 or more)

・Sample rate: 11025
・AudioFormat:MONO 16bits.
・ FFT number: 2048
・Window function:Hamming
・Horizontal axis: only Linear .
・Screen orientation:Landscape(fix)

v1.3.0
The frequency range was extended to 5K and was made to change smoothly (stepless) by dragging the screen.

v1.4.0
Fixed a mic issue for some devices.

v1.5.0
According to the size of your device, the display size of the transverse direction was adjusted automatically.

Pro version of this APP is now available on the Google Play.
(SoundAnalyzer)
Please read an explanatory note on SoundAnalyzer for details.

A Google User
Not logarithmic and only goes to 4kHz. Better free FFT apps exist.
Rated: 2 Star

A Google User
real time only
Rated: 3 Star

Pao Meng Soon
Thank You
Rated: 5 Star

A Google User
:D
Rated: 5 Star

Bindesh Singh
Please add more features like gain controll. Lengthy waveforms
Rated: 4 Star

Herry Hermanto
Good
Rated: 5 Star