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usb audio dac | AVR Freaks
https://community.atmel.com/projects/usb-audio-dac
Compiler/Assembler: AVR Assembler. Shematics and firmware for building a usb device that inputs a audio stream using standard protocols and outputs 2 anolog audio signals for headphones or speakers,it has volume control of 40db and max output of 12vpp.Source code is written in Octasm. The mcu is atmega16u4.
Atmel AT06475: SAM D21 USB - Microchip Technology
https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42261-SAM-D21-USB_Application-Note_AT06475.pdf
asynchronous USB Audio applications to provide an explicit feedback on the isochronous endpoints usage in the device. It provides a mechanism to the host on adjusting the data rate based on the device operation. A feedback endpoint is an interrupt endpoint having the same endpoint number as the isochronous endpoint but operating in the
USB Setup for Atmel Tools - microchipsupport.force.com
https://microchipsupport.force.com/s/article/USB-Setup-for-Atmel-Tools
Atmel Studio should now be able to detect the Atmel Tool. If the Atmel Studio for some reason can't detect the Atmel Tool after the USB setup, try to restart the computer in order to get the drivers properly loaded. If the 'Found New Hardware Wizard' cannot find the USB drivers automatically, you can try to run “InstallAtmelUSB” installer ...
streaming audio to SAM3X8E via USB | AVR Freaks
https://community.atmel.com/forum/streaming-audio-sam3x8e-usb
5. Total votes: 0. Yes it will work on the SAM3X8E. However USB Audio is poorly documented for Atmel ARM chips so you'll most likely have to write your own USB Audio protocols/functionality. Also you should definitely consider if you're using USB Audio Class 1.0 or 2.0 and know the differences between the two.
USB audio class 2.0 in ASF? | AVR Freaks
https://www.avrfreaks.net/forum/usb-audio-class-20-asf
I'm working on a project that needs to implement USB 2.0 audio class functionality. In the ASF tree, I don't see an audio folder or any udi_audio.c or udi_audio.h "class driver" folders alongside the others like, cdc, composite, in the ASF tree.. Googling however, for audio_udi.* returns a udi_audio.c and associated files in an android code repo (for Atmel).
USB Device Audio Solutions | Microchip Technology
https://www.microchip.com/en-us/solutions/consumer/audio-and-speech/audio-solutions/usb-device-audio-solutions
When implementing a USB speaker, audio is streamed from a personal computer to the PIC32 MCU and then output to headphones or speakers via an external amplifier or integrated codec. USB Headset: In this application, a USB headset system that is configurable to a 48/32/16 kHz sampling rate at 16 bits per sample is implemented with the PIC32 MCU. The headset will …
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