• USB Audio class support for multiple audio streams
    Hello, Does USB audio device class for (LPC ARM based micros) support multiple audio streams? I found USB speaker example but would like to implement microphone input as well (headset scenario)...
  • LPC2148 USB audio example
    This is regarding the 'LPC2148 USB audio example' available in this site. I have some confusions regarding the codes. The endpoint 3(out) is supposed to use DMA here. But in the SOF event callback, data...
  • USB audio device
    Hello every body. I work on Keil 4.54 and stm32discovery board (stm32F407VG). It is a cortex m4. I execute succesfully a rl-usb and hid program. But whenever I try to make an audio device, i fail...
  • usb audio lib for windows
    Hi, could someone of you tell me how is it possible to transmit some audio- and midi-date from my x86 processor (working with visual studio c++) to my LPC-USB-Device? Is there also a specific headerfile...
  • USB audio card with mic
    Hi All, I am now working at build a USB sound card with MIC in STM32F4 Discovery board. Now I already had separate working speaker and microphone usb program. When I combine those two, the USB cannot...