1. A method for providing sound tracking information, the method comprising: detecting a sound occurred adjacent to a subject vehicle and generating a sound tracking result based at least on the sound data regarding the detected sound; determining a detection category as one of a non-vehicle detection, an error detection or a vehicle detection, based at least on the sound tracking result; and determining an error detection index adjusted based at least on the detection category as well as whether a notification based at least on the detection category is generated, wherein the sound tracking result includes a probability of whether there is at least one other vehicle at each of a plurality of angles in each of a plurality of frames continued according to time.