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  • taita's Avatar
    05-14-2020, 06:59 AM
    taita replied to a thread 48kHz 8i80 USB Audio in Audio Projects
    Okay so the (rather non-stack-like) stack didn't need a full re-write thankfully. The descriptors related to the '480MB/s' sections of usb_desc.h/c DID need to be completely rewritten though to conform with USB Audio...
    10 replies | 500 view(s)
  • taita's Avatar
    05-09-2020, 07:56 AM
    taita replied to a thread 48kHz 8i80 USB Audio in Audio Projects
    Okay so I have edited usb_desc.c and usb_desc_h to a stage where it is 'working' but goes only so far as to be successfully queried by the host (Win10 in this case) whereupon the Win10 host loads up the USB Audio Class...
    10 replies | 500 view(s)
  • taita's Avatar
    04-23-2020, 05:15 AM
    taita replied to a thread 48kHz 8i80 USB Audio in Audio Projects
    No open hardware, but the XMOS evaluation boards are a good place to start
    10 replies | 500 view(s)
  • taita's Avatar
    04-22-2020, 07:47 AM
    taita replied to a thread 48kHz 8i80 USB Audio in Audio Projects
    Indeed AUDIO_SAMPLE_RATE_EXACT is referenced to setup the SAI clocking and PLL4 at : https://github.com/PaulStoffregen/Audio/blob/master/output_tdm.cpp#L284 That looks like the easy part! I have not yet recieved my...
    10 replies | 500 view(s)
  • taita's Avatar
    04-22-2020, 07:02 AM
    I've opened a new thread, specific to 48kHz/24/32bit. https://forum.pjrc.com/threads/60557-48kHz-8i80-USB-Audio
    31 replies | 1220 view(s)
  • taita's Avatar
    04-22-2020, 06:56 AM
    Hello, I intend to use T4 build an 8i8o USB interface running at 48kHz/24bit. Hopefully this can undertake some of the work required to have 48kHz audio and 24/32bit support included in future TeensyDuino releases. ...
    10 replies | 500 view(s)
  • taita's Avatar
    04-21-2020, 10:51 AM
    Hello, I think I can assist. I intend to use T4 for a very simply 8i8o USB interface running at 48kHz, probably using the CS42448 via TDM through the iMXRT1062 SAI1 interface. No effects, no volume control, no...
    31 replies | 1220 view(s)
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