This is an audio recorder with waveform and spectrum viewer.
This is an audio recorder.
The sampling rate can be set to 48,000 Hz.
You can record very high quality sound with this high sampling rate.
This application can be used as a high quality voice recorder.
Files recorded with this sound recorder 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 pro version without advertisement.
RECORD_AUDIO: to use MIC.
WRITE_EXTERNAL_STORAGE: to save files to SD card.
INTERNET: for advertisement. (This permission is not required in pro version.)
ACCESS_NETWORK_STATE: for advertisement. (This permission is not required in pro version.)
See more information: https://goo.gl/Fdgor3