This paper presents a study of the difference of voice, acoustic guitar and White Noite audio recordings characteristics, due to modification of the cables (Volcano and Hayonik) of the microphones (dynamic and condenser) ...

Noise pollution is one of the greatest issues to be solved by smart cities. This paper seeks a solution on mapping sonic data, which may help delegate effort and resources, either human or material, in order to solve the ...

This work presents the elaboration of two methods for the recognition of musical chords (chords: Dó, Ré, Mi, Fá, Sol, Lá and Si), in which one of them will be used in a system capable of reproducing the chord analyzed in ...

Acoustic feedback is a problem that occurs in sound reinforcement system due to the acoustic coupling between a microphone and a loudspeaker may cause the loudspeaker signal to be picked up by the microphone and return ...

The study of sounds and the influence it exerts in humans has intensified in recent decades due to the large number of vehicles and industries in the centers of large cities. The equipment used to characterize the sound ...

Acoustic feedback is a problem that affects the performance of sound systems, causing deterioration of sound quality and limitation of achievable amplification. Among all the approaches to minimize this problem, stands out ...