| 摘要 |
An apparatus and method of canceling a vocal component includes a first vocal canceling unit to delay each of the left and right channel input signals for a predetermined time and to feed-forward cross mix the delayed left and right channel signals with the left and right channel input signals, a sound stage widening unit to delay each of the left and right channel signals output from the first vocal canceling unit for a predetermined time and to feedback cross mix the signal of each delayed channel signals with the left and right channel signals, and a second vocal canceling unit to low-pass filter the left and right channel signals output from the sound stage widening unit and to mix the low-pass filtered left and right low frequency components and a high frequency component of the difference between the left and right channels to cancel the vocal component from an audio signal.
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