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B2.6.R USB Controllers/Devices - Future Requirements
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| bet | 128/250 | | Sana | 21.03.2017 | | Hajmi | 1,03 Mb. | | #428 |
B2.6.R USB Controllers/Devices - Future Requirements
Announcement of additional future requirements will be published at http://www.microsoft.com/winlogo/hardware/usb/.
B2.6.R.1 USB isochronous devices do not request more than 25 percent of the total bandwidth at any time B3.0 Audio Devices B3.1 General Audio
All general requirements in B1.0 are included by reference.
All bus-specific requirements in B2.0 are included by reference.
B3.1.1 General Audio - Windows Compatibility B3.1.1.1 WDM device driver support for audio
[AUD-0326; AUD-0337]
Device driver conforms to the WDM implementation guidelines and “Audio Drivers” reference in the Windows DDK.
See FAQ B3.1.5.8.
B3.1.1.2 Windows compatibility and implementation notes (general)
http://www.microsoft.com/hwdev/audio/
B3.1.1.3 Audio Codec (AC) '97 and AMR Plug and Play Design
See FAQ B3.1.5.2.
http://www.microsoft.com/hwdev/audio/AMR.htm.
B3.1.1.4 WDM Audio Drivers for Windows XP/Windows 2000
http://www.microsoft.com/hwdev/devdes/wdmaudio.htm
DirectSound® driver support: see “DirectSound DDK” in the Windows DDK.
B3.1.1.5 Windows Me: USB MIDI takes advantage of built-in operating system support
See “Audio Drivers” in the Windows DDK.
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