IEC 62680-1-8
Universal serial bus interfaces for data and power – Part 1-8: Common components – USB Audio 3.0 device class definition terminal types
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| Organization: | IEC |
| Publication Date: | 1 September 2019 |
| Status: | active |
| Page Count: | 34 |
| ICS Code (RF connectors): | 33.120.30 |
| ICS Code (Interface and interconnection equipment): | 35.200 |
| ICS Code (Wires and symmetrical cables): | 33.120.20 |
scope:
The Audio Device Class Definition applies to all devices or functions embedded in composite devices. All audio signals inside an audio function start at an Input Terminal, pass through some Units, and leave the function through an Output Terminal. Units can manipulate the signal in various ways. Terminals represent the connections of the function to the outside world.
As part of the Terminal descriptor, the wTerminalType field specifies the vendor's suggested use of the Terminal. For example, a pair of speakers is a more suitable target for music output than a telephone line. This feature allows a vendor to ensure that applications use the device in a consistent and meaningful way.
Document History
IEC 62680-1-8
September 1, 2019
Universal serial bus interfaces for data and power – Part 1-8: Common components – USB Audio 3.0 device class definition terminal types
The Audio Device Class Definition applies to all devices or functions embedded in composite devices. All audio signals inside an audio function start at an Input Terminal, pass through some Units,...