USB.org - Approved Device Class Document DownloadApproved Class Specification Documents If you have questions regarding any of these documents please contact the DWG chair (dwg-wg-chair@usb.org) and your questions will be channeled to the appropriate group. Audio Class Audio Device Document 1.0 Audio Data Formats 1.0 Audio Terminal Types 1.0 USB MIDI Devices 1.0 Audio Devices Rev. 2.0 Spec and Audio 2.0 Adopters Agreement (.zip format, size
