This other module (less than $30) is limited to 16bit but seems to work at 48Khz with 8 channels: http://www.sabrent.com/category/audio/USB-SND8/ Umashankar have one.
-- Marc Sat, 30 Jul 2011 01:17:57 -0400, Hugh Pyle <hp...@cabezal.com> wrote : > I have one of these, and it's cheap and works well. The biggest > issue is the sample rate limitation; with 8 channels you can only > run at 44.1 kHz. > > On Sat, Jul 30, 2011 at 12:07 AM, Ben Bloomberg <b...@mit.edu> wrote: > > > Has anyone tried anything from ESI audio? It looks too good to be > > true. > > > > http://www.esi-audio.com/products/gigaporthd/ > > It seems like they can be had for around $100. > > > > ben > > > > On Fri, Jul 29, 2011 at 9:41 AM, Dave Malham > > <dave.mal...@york.ac.uk> wrote: > > > > > > > > > > > On 29/07/2011 11:30, Michael Chapman wrote: > > > > > >> Now I would like to construct a higher-order sound system, > > >> ideally with > > >>> consumer-level (and consumer-priced) components. I don't need a > > >>> big dynamic range, high power, or the best sound fidelity > > >>> possible, I just need a working prototype. This is the part I > > >>> have found very little information on in my research� > > >>> > > >>> My understanding is that 8 channels is the minimum needed for > > >>> stable > > 3-D > > >>> Ambisonics (rather than planar surround). > > >>> > > >> There was a recent reminder, on this list, within the last > > >> month, that one could use 6 channels (the mid points of the > > >> faces of a cube). I've never heard anyone say they've done it, > > >> let alone say it was > > 'nice'. > > >> (The engineering would, also, not be fun ... though you are not > > >> obliged to place speakers mid-wall/ceiling/floor ... you can > > >> tilt the cube!) So I'd stick to eight unless you are really > > >> adventurous. > > >> > > >> We've used it in the dim and distant past and it's not to be > > recommended > > > as it is right at the limits of usability (very unstable image, > > incredibly > > > tiny sweet spot and so on). I would compromise on the quality of > > > the speakers so that I could buy eight, rather than buy only six > > > better ones (ditto for the audio interface and amps) > > > > > > Dave (signing off for now as I'm off on vacation, > > > hurrah!) > > > > > > > > > -- > > > These are my own views and may or may not be shared by my > > > employer /*************************************************************** > > > **********/ > > > /* Dave Malham _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
