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From: "Frank Bemelman"
Subject: Re: USB Design. Need advice.
Date: Sat, 28 Dec 2002 19:39:04 +0100
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Organization: EuroNet Internet
NNTP-Posting-Date: 28 Dec 2002 18:40:19 GMT
"Dan McDaid" schreef in bericht
> Hi. I need to make an isochronus usb device that has two audio out
> and two in.
> I'm new to USB but have a decent background in electronics.
> My question is pretty simple. I can rig up a USB-DAC IC to get a singe
> audio out channel. Now if i use two of these ICs and put them behind a
> USB-Hub IC then with appropriate drivers I can send the digital streams to
> each IC, which are essentially separate devices. Similarly, I can rig up
> two ADC-USB circuits and put them behind this same internal hub. Bang it
> all in a box, stick some phono plugs on and a usb cable and with any luck
> can get down to writing the software.
Perhaps this is what you want:
Or with SPDIF:
Regarding the software, you could start that anyway, using
whatever soundcard you've got.
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