For optimal performance on Android and Windows, use applications that support bit-perfect exclusive hardware access (like USB Audio Player Pro or Foobar2000 with WASAPI/ASIO drivers) to bypass internal OS mixers that compress the dynamic range of the CX31993.
To manage expectations, it's helpful to know how the CX31993 compares to other popular chips. The following table summarizes the key differences: Cx31993 Datasheet Fix
Are you designing a or modifying an existing commercial dongle ? For optimal performance on Android and Windows, use
Despite the lack of a public PDF, community testing and manufacturer listings provide a clear picture of the chip's capabilities: Up to 32-bit / 384kHz PCM. Cx31993 Datasheet Fix