GuiTuner tries to detect the height of the recorded sound in real-time audio device using some Methods (currently only based on FFT) that you can configure the runtime.It is self-explanatory, just connect your guitar or microphone to your sound card, configure the input device using a blender and see what the program that you said it shows the nearest note of the captured and the interval between it and the note produced by the Instrument. the sound produced is lower than the right the left arrow turns green, if it becomes higher on the green arrow right. Since version 0.05Beta1 is available a simple tone generation section that uses presets.There are "stable" and "unstable" version, the two may not function properly, but "stable" one has been tested for a year, so its problems are more or less known. Download the unstable version if you want to test and support its development, bug reports and problems.What's new in this version: * Added Alsa support and play your simple, with the support predefined.