![]() An alternate setting, which specifies another format defined in FMT-2, or an unknown format, will be ignored. The driver supports the formats listed below. The USB-IF is a special interest group that maintains the Official USB Specification, test specifications and tools. FMT-2 refers to the Audio Data Formats specification, Release 2.0.ADC-2 refers to the USB Device Class Definition for Audio Devices, Release 2.0.USB-2 refers to the Universal Serial Bus Specification, Revision 2.0.The following USB specifications define USB Audio and are referenced in this article. The usbaudio2.sys driver fits within the wider architecture of Windows USB Audio as shown. However, if a third-party driver exists on the system or Windows Update, that driver will be installed and override the class driver. The driver is automatically enabled when a compatible device is attached to the system. This name will be overwritten with a USB product string, if it's available. The driver will identify in device manager as "USB Audio Class 2 Device". The driver is named: usbaudio2.sys and the associated inf file is usbaudio2.inf. The driver is a WaveRT audio port class miniport. It's designed to support the USB Audio 2.0 device class. Listening to music of a portable audio device, etc.Starting with Windows 10, release 1703, a USB Audio 2.0 driver is shipped with Windows.Terminating the Speaker Add function temporarily Switching between double mode and stereo mode (Speaker Add function).Listening to music wirelessly with two speakers (Speaker Add function).Terminating the BLUETOOTH connection (After use).Listening to music of a device via BLUETOOTH connection.Connecting with a paired computer ( Windows 7).Connecting with a paired computer ( Windows 8).Connecting with a paired computer ( Windows 10).Pairing and connecting with a computer ( Windows 7).Pairing and connecting with a computer ( Windows 8).Pairing and connecting with a computer ( Windows 10).Disconnecting the NFC-compatible device by One-touch ( NFC).Connecting with an NFC-compatible device by One-touch ( NFC).Connecting with a paired BLUETOOTH device. ![]()
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