| 摘要 |
In response to a first signal, a first sound wave is output. A second sound wave is received that includes an acoustic echo of the first sound wave. In response to the second sound wave, a second signal is output that cancels an estimate of the acoustic echo. The estimate of the acoustic echo is iteratively adapted to increase a statistical independence between the first and second signals, irrespective of whether a first voice is present in the first sound wave, and irrespective of whether a second voice is present in the second sound wave.
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