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Users often complain that the microphone input suffers from a constant high-pitched hiss, or that inline play/pause buttons register randomly.
These issues are rarely caused by the chip itself, but rather by improper implementation of the regarding power filtering and USB-C audio protocol handling. This article provides a comprehensive guide to understanding and fixing common CX31993 issues. Understanding the CX31993 Implementation Issues Cx31993 Datasheet Fix
Because the CX31993 is a low-cost solution, the implementation (capacitors, shielding, connector quality) varies. If you experience constant disconnections or severe, uncontrollable noise, it is likely a hardware defect in the specific dongle manufacturer's assembly, rather than a failure of the chip itself. Users often complain that the microphone input suffers
Go to Sound Control Panel -> Recording -> Select the USB DAC microphone as the default device. 4. Compatibility with Linux/FreeBSD 4. Compatibility with Linux/FreeBSD