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In this paper, a new structure of echo and background music canceler by using Smart Acoustic Room (SAR) system for car hand-free telephone is presented. In this system, echo and background music canceler are combined together just using one microphone. That is, the sound signal from loudspeakers of car will be diminished at the microphone position of the hand-free telephone. This is realized by robust...
In this paper, the smart acoustic room (SAR) system is presented for partitioning room acoustically. That is, in different places of the room, one can hear to the desired signal. This is realized by robust estimation algorithm for well control of room acoustic impulse responses. Therefore, unwanted music or speech signal is canceled, while, at the same place, the desired signal (the desired music...
We introduce an algorithm that analyzes audio signals to extract chord-sequence information. The main goal of our approach lies in incorporating music theoretical knowledge without restricting the input data to a narrow range of musical styles. At the basis of our approach lies pitch detection using enhanced autocorrelation, supported by key detection and beat tracking. The chords themselves are identified...
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