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Win 7 says Sound Driver Unsigned (but it's signed it works ...
https://answers.microsoft.com/en-us/windows/forum/all/win-7-says-sound-driver-unsigned-but-its-signed-it/7b658064-9a1c-47b0-a5d8-cd6899d0cbe7
The sound is VIA HD Audio xxxxxx. For instance VIA HD Audio VT1708A. You'll need to know that #. I can't remember where its listed. Its either in the device manager properties on driver tab or in details. It could also be listed on the mobo box or in the manual. Or try a search for the mobo name VIA HD Audio on google and see if it shows up.
Audio samples - signed or unsigned??
https://social.msdn.microsoft.com/forums/windowsdesktop/en-US/85e18eea-7497-4314-b4ed-577aeb6995ec/audio-samples-signed-or-unsigned
8-bit audio is unsigned (0 to 255). 16-bit and higher is signed (-32,768 to 32,767 for 16-bit). Please use Vote As Helpful (green up arrow at top-left of posts) and Mark As Answer where appropriate. My dshow site is http://tmhare.mvps.org. Marked as answer by Gareth - Trinity Digital Monday, March 15, 2010 5:01 PM.
Signed driver being reported as unsigned. - Windows 10 Forums
https://www.tenforums.com/sound-audio/183886-signed-driver-being-reported-unsigned.html
Signed driver being reported as unsigned. Sound Controller Driver for my SaviAudio Audio Hub is suddenly being reported as not signed in Device Manager. However 'sigverif' shows that it is signed. This sends audio from the computer via USB to the Hub which transmits to my speakers. I uninstalled all sound and USB drivers and reinstalled.
Open Sound System - Audio programming
http://www.4front-tech.com/pguide/audio.html
OSS has three kind of device files for audio programming. The only difference between these device files is the default sample encoding used after opening the device. /dev/dsp uses 8 bit unsigned encoding while /dev/dspW uses 16 bit signed little endian (Intel) encoding and /dev/audio uses logarithmic mu-Law encoding. There are no other differences between the …
Windows - Allowing unsigned drivers to install without a ...
https://noterepeat.com/articles/resources/pctroubleshooting/29-windows-allowing-unsigned-drivers-to-install-without-a-warning
Occasionally, you may need to install an unsigned device driver. The driver may be trustworthy, but becuase of a recent update may not be signed. Windows 7 will not allow unsigned drivers to be installed without special permission. These instructions show you how to allow unsigned device drivers to be installed. Go to: Start > Run
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