[KongchangAI]
Unverified50% confidenceFactExact time

The voice path of a cellular module is usually independent of the control path and can output audio to an external codec chip via a PCM interface, or send audio directly to the host via USB Audio Class, where it is recognized as a sound card.

1
Sources
50%
Confidence
Long-term
Relevance
10/31/2026
First Seen

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