Library Interface Section 

Description 

Audio Device access Functions 

These functions allow application clients to perform audio control transfers, register event handlers and get the number of stream groups and the details of each audio stream. These functions are implemented in the usb_host_audio_v1_0.c file. 

Audio Stream Access Functions 

These functions allow the application client to open audio streams, set parameters of an audio stream, and perform data transfer operations on an audio stream. These functions are implemented in the usb_host_audio_v1_0.c file.