A free app for Android, by Carl Reinke.
How does it work?
The concept is simple and the implementation is very easy. The app takes an audio clip, divides it into N number of chunks, and then transforms each chunk into a frequency spectrum. The app can handle a number of seconds up to about 60 seconds.
What can it do?
The app can analyze the audio for different types of frequencies, including voice, noise, music, and many more. It can also analyze and visualize the energy distribution of the audio.
How is it used?
The app is usually used with an external microphone. It can also be used with the built-in microphone.
You can use it as a recorder and analyzer, and it can be used for audio recording and analysis.
The user interface is very simple and intuitive.
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