An audio device comprising: in-phase component extracting means for receiving a right signal and left signal of an audio signal, and for extracting an in-phase component signal of the right signal and left signal; anti-phase component extracting means for receiving the right signal and left signal of the audio signal, and for extracting an anti-phase component signal of the right signal and left signal; signal processing means for providing the anti-phase component signal extracted by the anti-phase component extracting means with a transfer characteristic for canceling a crosstalk component; first adding means for adding a phase-inverted signal of the anti-phase component signal provided with the transfer characteristic by the signal processing means and the in-phase component signal extracted by the in-phase component extracting means; and second adding means for adding the anti-phase component signal provided with the transfer characteristic by the signal processing means and the in-phase component signal extracted by the in-phase component extracting means, characterized in that when a transfer characteristic of sound which is reproduced from a speaker on one side of stereo speakers and arrives at a listener's ear on the same side of the speaker, is represented by H d, and a transfer characteristic for the sound which is reproduced from the speaker on the one side and arrives at a listener's ear on the other side of the speaker, is represented by H x, the signal processing means provides the anti-phase component signal extracted by the anti-phase component extracting means with a transfer characteristic obtained by dividing the sum of the transfer characteristic H d and the transfer characteristic H x by the difference between the transfer characteristic H d and the transfer characteristic H x as a transfer characteristic for canceling a crosstalk component. in-phase component extracting means for receiving a right signal and left signal of an audio signal, and for extracting an in-phase component signal of the right signal and left signal; anti-phase component extracting means for receiving the right signal and left signal of the audio signal, and for extracting an anti-phase component signal of the right signal and left signal; signal processing means for providing the anti-phase component signal extracted by the anti-phase component extracting means with a transfer characteristic for canceling a crosstalk component; first adding means for adding a phase-inverted signal of the anti-phase component signal provided with the transfer characteristic by the signal processing means and the in-phase component signal extracted by the in-phase component extracting means; and second adding means for adding the anti-phase component signal provided with the transfer characteristic by the signal processing means and the in-phase component signal extracted by the in-phase component extracting means, characterized in that when a transfer characteristic of sound which is reproduced from a speaker on one side of stereo speakers and arrives at a listener's ear on the same side of the speaker, is represented by H d, and a transfer characteristic for the sound which is reproduced from the speaker on the one side and arrives at a listener's ear on the other side of the speaker, is represented by H x, the signal processing means provides the anti-phase component signal extracted by the anti-phase component extracting means with a transfer characteristic obtained by dividing the sum of the transfer characteristic H d and the transfer characteristic H x by the difference between the transfer characteristic H d and the transfer characteristic H x as a transfer characteristic for canceling a crosstalk component.