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AN295: USB Audio Class Tutorial - Silicon Labs
https://www.silabs.com/documents/public/application-notes/AN295.pdf#:~:text=2.3.%20The%20USB%20Audio%20Class%20The%20USB%20Specification,Definition%20for%20Audio%20Devices%E2%80%9D%20describes%20how%20audio%20devices
Universal Serial Bus Device Class Definition for Audio …
https://www.usb.org/sites/default/files/audio10.pdf
Universal Serial Bus Device Class Definition for ... 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. Contributors Gal Ashour IBM Corporation ... specification: 10-5 ...
Audio/Video Device Class v1.0 Spec and Adopters ... - …
https://www.usb.org/document-library/audiovideo-device-class-v10-spec-and-adopters-agreement
Audio/Video Device Class v1.0 Spec and Adopters Agreement 12/07/2011 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.
USB Audio Devices Rev. 3.0 and Adopters Agreement | …
https://usb.org/document-library/usb-audio-devices-rev-30-and-adopters-agreement
The AV Device Class does not include functionality to operate transport mechanisms that are related to the reproduction of AV data, such as tape transport mechanisms or CD-ROM drive control. Handling of MIDI data streams over the USB is directly related to audio but will not be covered in this version of the specification.
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
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.
Defined Class Codes | USB-IF
https://www.usb.org/defined-class-codes
This base class is defined for Audio capable devices that conform to the Audio Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes may only be used in Interface Descriptors.
Universal Serial Bus Device Class Definition for Audio Devices
http://dl.project-voodoo.org/usb-audio-spec/USB%20Audio%20v2.0/Audio20%20final.pdf
USB Device Class Definition for Audio Devices Release 2.0 May 31, 2006 13 1 Introduction 1.1 Scope The Audio Device Class Definition applies to all devices or functions embedded in composite devices that are used to manipulate audio, voice, and sound-related functionality.
Fundamentals of USB Audio - EDN
https://www.edn.com/fundamentals-of-usb-audio/
The data requirements of a USB Audio system depends on the number of channels , the number of bits to represent each sample, and the sample rate . Typical channel counts are 2 (stereo), 6 (5.1) or much higher for studio and DJ use. Typically sample size is 24 bits, although 16 bits is available for legacy audio, and 32 bits for high quality audio.
USB Audio Simplified - Silicon Labs
https://www.silabs.com/documents/public/white-papers/usb-audio-simplified.pdf
request, the USB organization has developed the Audio Devices Class, which defines a very robust standardized mechanism for transporting audio over USB. The USB audio class specification is available to the public from the USB Implementers Forum (www.usb.org).
USB Audio 2.0 Drivers - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/usb-2-0-audio-drivers
The following USB specifications define USB Audio and are referenced in this topic. USB-2 refers to the Universal Serial Bus Specification, Revision 2.0 ADC-2 refers to the USB Device Class Definition for Audio Devices, Release 2.0. FMT-2 refers to the Audio Data Formats specification, Release 2.0.
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