| 摘要 |
A highly versatile interface that is capable of digital and audio signal coupling is provided. The interface comprises contacts ( 122, 124, 216, 218 ) that are used to couple both audio and digital signals, and separate contacts ( 126, 220 ) that are used initiate and negotiate signaling mode transitions. Transitions can be effected without creating glitches, e.g., audible noise, in audio signals that are being coupled through the interface.
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