This is an audio recorder.
The sampling rate can be set to 48,000 Hz.
You can record very high quality sound with that high sampling rate.
Recorded files are saved in lossless wave format.
You can play recorded files with personal computers.
This application shows the waveform and frequency spectrum in real-time by using FFT.
There is no limit to length of recorded files.
There is a free version with advertisement.
RECORD_AUDIO: to use MIC.
WRITE_EXTERNAL_STORAGE: to save files to SD card.
Tags: joe.de , fft sample , recorder fft , pure recording quality , lossless wave recorder , fft of wave in , real time sampling paperless recorder , pure audio recorder , fast fourier transform audio recorder