USB Audio Feedback

RE: USB Audio Feedback

Andrew — Mon, 18 Nov 2019 16:01:58 GMT

So it looks like you just send data back to the computer at exactly the rate you receive it from the computer thus sample rate conversions must be handled by the NRF52840.

RE: USB Audio Feedback

Sigurd — Mon, 26 Aug 2019 14:43:15 GMT

[quote userid="13051" url="~/f/nordic-q-a/49138/usb-audio-feedback/195751"]are you using explicit (feedback endpoint) or implicit feedback?[/quote]

I don't think that is used. See the discussion in this post.

RE: USB Audio Feedback

Andrew — Mon, 01 Jul 2019 16:55:38 GMT

That is, are you using explicit (feedback endpoint) or implicit feedback?

Feedback for Asynchronous Output Streams: https://developer.apple.com/library/archive/technotes/tn2274/_index.html

3.7.2.2 Isochronous Synch Endpoint: www.usb.org/.../audio10.pdf

RE: USB Audio Feedback

Sigurd — Mon, 01 Jul 2019 08:16:32 GMT

Hi,

It uses a headphones audio class and a microphone audio class. See this link.