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AN295: USB Audio Class Tutorial - Silicon Labs

    https://www.silabs.com/documents/public/application-notes/AN295.pdf
    USB, Isochronous Transfers, and the Audio Class The USB communications protocol outlines specifications for a reliable and fast system of data transfer between a peripheral and a host such as a PC. The protocol defines four different data transfer types (bulk, interrupt, control, and isochronous), each with unique characteristics and uses.

Fundamentals of USB Audio - EDN

    https://www.edn.com/fundamentals-of-usb-audio/
    USB is a protocol where the PC, the USB-host, initiates a transfer, and the device (for example a USB speaker) responds. Each transfer is addressed to a specific device, and to a specific endpoint on the device. IN-transfers send data to the PC. When the host initiates an IN-transfer the device has to respond with data for the host.

Defined Class Codes | USB-IF

    https://www.usb.org/defined-class-codes
    The USB Audio/Video (AV) Device Class Definition describes the methods used to communicate with devices or functions embedded in composite devices that are used to manipulate audio, video, voice, and all image- and sound-related functionality. That specification defines the usable set of SubClass and Protocol values.

Universal Serial Bus Device Class Definition for Audio …

    https://www.usb.org/sites/default/files/audio10.pdf
    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.

USB Audio Class - Jimmy's thing

    https://jimmywongiot.com/2020/04/08/usb-audio-class/
    USB Audio Class 1 standard (1998) This standard allows for 24 bits/96 kHz max. The standard itself doesn’t impose any limitation on sample rate. Class 1 is tied to USB 1 Full Speed = 12 MHz Every millisecond a package is send. Maximum package size is 1024 bytes. 2 channel * 24 bit * 96000 Hz sample rate= 4608000 bits/s or 576 Byte/ms

USB Audio Simplified - Silicon Labs

    https://www.silabs.com/documents/public/white-papers/usb-audio-simplified.pdf
    USB Audio Simplified . The rapid expansion of the universal serial bus (USB) standard in consumer electronics products has extended the use of USB connectivity to propagate and control digital audio. USB provides ample bandwidth to support high-quality audio; its ease of use has been well accepted by consumers and has

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