Rockbox General > Rockbox General Discussion

USB Speakers - Any Problem With This Idea?

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saratoga:

--- Quote from: CharlesT on February 26, 2008, 04:23:38 PM ---After a bit of a rethink, it looks like I'm going to have to buy a Griffin Power Dock.  

Using the circuitry inside the Power Dock, a 5VDC wall wart and a bit of rewiring of my USB speakers I should be able to create what I want.

--- End quote ---

If what you want involves sending audio over USB, then no, thats not going to work.

CharlesT:
I plan to take the audio out from the Power Dock and send it to the data line of the USB speaker.  I know that there may be sensitivity issues.

Thanks to all again.

CT

markun:

--- Quote from: CharlesT on February 27, 2008, 07:54:19 AM ---I plan to take the audio out from the Power Dock and send it to the data line of the USB speaker.  I know that there may be sensitivity issues.
--- End quote ---

I still don't see how this can work since I assume the USB speakers expect digital audio through the USB audio protocol and the Power Dock audio out is analog.

Good luck anyway

saratoga:

--- Quote from: CharlesT on February 27, 2008, 07:54:19 AM ---I plan to take the audio out from the Power Dock and send it to the data line of the USB speaker.  I know that there may be sensitivity issues.

--- End quote ---

Theres no possible way to do that short of putting a PC in between the Dock and the speakers, or writing a USB audio mode for rockbox.

Llorean:
Well surely there's a DAC stage somewhere in the USB speakers themselves, mightn't it be possible to bypass that and do a little homebrew hardware work? A little more complicated, I suppose...

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