Windows 10: Windows 10/11 USB Audio Class 2 32-bit Float Support

Hello,I'm developing a USB microphone using USB audio class 2 and am trying to get the IEEE 32-bit float format support working. I already have 16, and 24-bit PCM format working as alternate settings 1 and 2 and am adding a 3rd alternate setting for 32-bit float mode. Per the Windows USB Audio 2.0 drivers documentation page https://learn.microsoft.com/en-us/windows-hardware/drivers/audio/usb-2-0-audio-drivers the Type 1 IEEE_FLOAT Format FMT-2 2.3.1.7.3 is supported but I can't seem to get Windows to accept it.I've created a 3rd alternate setting with the following as specified in the

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Windows Sound Options... wat

My list is exactly like yours but the maximum officially is 24/192. I think it must automatically down-convert 32-bit to 24-bit if you have 32-bit selected.

Windows only supports USB Audio Class 1 which is 24/96. Windows with driver, Linux, and Mac OS X support USB Audio Class 2 which is 24/192.

 

USB Audio Class 2 Device Not Recognised

Hi everyone, I am running Windows 10 on the creators update (so it has support for USB Audio Class 2 devices), but for some reason it is saying that it's own driver is not compatible.



It does recognize the device as an audio one, but cannot seem to use it (Screenshot attached). Any suggestions?





The device is an Audio-GD NFB11

 

Do window 10 support 32-bit software?

I would like to know on whether window 10 is still support 32-bit software or not.

Does anyone have any suggestions?

Thanks in advance for any suggestions