Standard guitar tuner Android App

The description of Standard guitar tuner: This application provides an accurate and simple to use guitar tuner for the standard tuning. All you have to do is to start the application and play a guitar string. The application will detect the string that you have played and it will indicate if it is correctly tuned or if it needs higher or lower tuning. As you can see in the screen shots the detected string is indicated on the top of the screen. Below you have the tuning indication. The tuning is considered correct if the deviation is smaller then 10 cents from the reference frequency. (1 cent is 1 100 of 1 semitone). You can select 2 types of visualizations:1. Frequency value it indicates the value of the measured frequency in hz and the deviation from the reference frequency in cents. 2. Frequency spectrum it displays the frequency spectrum indicating the position of the frequencies associated to the guitar strings in the standard tuning. ..