This is the sound of a busy tone that can be used in video games, trivia, quiz, board games, interface or web. There is three versions.

<br />1) Busy Tone 1 (the usual sound) 00:00-00:02 <br /> <br />2) Busy Tone 2 (with the effect of fade out the volume) 00:03-00:05 <br /> <br />3) Busy Tone 3 (Doppler effect) 00:06-00:14 <br />

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