Folderol: ... > I started looking at the USB2 protocols for something else, but gave up > when I saw how insanely complex it is even for relatively simple data > transfer. In the end, for my project, it was easier to convert the data > into an RS232 serial stream then use one of the standard serial-USB > converters. Well, then you could design around a ft232 [1]. But would RS232 suffice for 8ch/24bit/44.1kHz (12Mbit/s) ? Shall I interpret your answer as the main hurdle is not to convert x channels at real time, but to get it into the computer? Would a network connection solve that problem? In that case the DACs and ADCs could reside on an embedded computer and stream the sound data to/from the pc. And one could envision such little things near each mic and ethernet cables or possible wifi to the control room. Power-Over-Ethernet [2] could be helpful, and why not throw in a pre-amp and plug it directly into the mic. Regards, /Karl [1] http://www.ftdichip.com/Products/FT232R.htm [2] http://en.wikipedia.org/wiki/Power_over_ethernet ----------------------------------------------------------------------- Karl Hammar Aspö Data karl@xxxxxxxxxxx Lilla Aspö 148 Networks S-742 94 Östhammar +46 173 140 57 Computers Sweden +46 70 511 97 84 Consulting -----------------------------------------------------------------------
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