2.3. Device Class specifications require that devices share many characteristics in common, while allowing for customization and innovation. • Universal Serial Bus Specification, 1.0 final draft revision (also referred to as the USB Specification).

In particular, see Chapter 9, “USB Device Framework.” • Universal Serial Bus Device Class Definition for Audio Data Formats (referred to in this document as USB Audio Data Formats). The USB Audio Class The USB Specification documents group devices with similar capabilities into device classes.

USB Device Class Definition for Audio Devices Release 1.0 March 18, 1998 ii Scope of This Release This document is the 1.0 release of this device class definition.