JohnSwenson wrote: > I got the BeagleBone today, it's a nice little board. Well I'll cut to > the chase, I plugged in the HRT Music StreamerII async, 24 bit UAC1, no > hub. It works perfectly straight out of the box. No software tweaking at > all, it plays perfectly, NO clicks, pops or any other problems. Looking > at the stream file it shows it running in ASYNC mode S24_3LE and the > momentary frequency DOES change. This seems to bode well for the > hardware. > > Next I'll try a XMOS based device, that is going to take a little bit > more work to get setup (it's part of a DAC which is currently > disassembled, I have to put it back together again before I can try it > out). > > I just plugged in the XMOS board and it seems to be working (until I get > it connected back to the rest of the DAC I can't get any sound out of > it). It shows it running in ASYNC with S32_LE and momentary freq is > changing. Again it seems to bode well. > > These were both at 44.1, it takes SOOOO long to transfer files to the SD > card I haven't transfered over any 96 or 192 files. It does have sox so > I can probably use FLAC to save some transfer time. Of course I need to > get my music library mounted over the network, then I don't have to > write them to the SD card. > > I think that's all that is going to get done for tonight, I'll get the > XMOS hooked up tomorrow and make sure it is actually playing music. > > On another matter, the BeagleBone does have the I2S lines available on > its expansion connector. It turns out that the distro it comes with has > all it's module drivers available in /sys so parameters can be set. I > found the driver for the audio interface (that handles both I2S and > S/PDIF) in /sys, but there is no documentation on this and the node > names were not exactly obvious. So it looks like it might be possible to > configure the driver to send out I2s. I'm going to have to find the > source for this driver in order find out what to put in the /sys nodes. > So it might actually be possible to configure this to output I2S by just > writing values to a /sys file. > > John S.
John, the BeagleBone would seem to fit the bill very well. I have a buddy using it with hi res files so I would think it's going to work out fine. Then custom daughter cards would provide all the needed outputs. My only concern would be the quality of the BeagleBone i2s signal.. Jesus R ------------------------------------------------------------------------ vortecjr's Profile: http://forums.slimdevices.com/member.php?userid=30173 View this thread: http://forums.slimdevices.com/showthread.php?t=97881 _______________________________________________ discuss mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/discuss
