| 摘要 |
A method for allocating a channel in a digital device having a digital interface such as the IEEE1394. The method for allocating a channel to a specific output plug of a digital device having a digital interface, in which a predetermined relationship with a predetermined part of another digital device is set in accordance with a specification related to a digital interface, includes the steps of calculating a channel number to be allocated to the output plug in accordance with a condition of the digital interface specification, and determining whether the calculated channel number can be allocated to the output plug. If it is determined that the calculated channel number can be allocated, then the calculated channel number is allocated to the output plug. If it is determined that the calculated channel number can not be allocated to the output plug, an arbitrary channel number is determined, the value of the predetermined part is set based on the arbitrary channel number in order to satisfy the conditions of the digital interface specification, and the arbitrary channel number is allocated.
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