Ah, I see. Thanks for the help! My general idea so far is to stack 3 audio capes to receive 6 channel input, then process and output probably stereo (or 6 channel out for feedback); I guess I'll see how the multiplexing will fit in once I understand the board more.
On Friday, May 29, 2015 at 2:58:07 PM UTC-4, Jesse Forgues wrote: > We just used a proto cape to expose the McASP pins we needed, then ran > wires over to a set of TI SmartAmp boards which supported TDM at the time. > > Picture: > https://dl.dropboxusercontent.com/u/82765462/BBB/4channel_audioCape.jpg > > > On Fri, May 29, 2015 at 11:13 AM, Jeffrey Huang <jh...@cornell.edu > <javascript:>> wrote: > >> ooh that's pretty cool! Hopefully it will work for me as well. >> >> Did you have to build your own TDM cape, or could you just stack them and >> use the Am335x to do the multiplexing >> >> On Friday, May 29, 2015 at 1:47:47 PM UTC-4, Jesse Forgues wrote: >>> >>> I think I tested 8 or 16 CH TDM at 48k and it worked fine. >>> On May 29, 2015 10:37 AM, "Jeffrey Huang" <jh...@cornell.edu> wrote: >>> >>>> We were considering that, but were concerned if we could find a fast >>>> enough mux to do 6 channels at 48kHz, and that plus clock issues. >>>> Thanks for the idea, though! I will check out how the Am335x fares in >>>> TDM. >>>> >>>> >>>> On Wednesday, May 27, 2015 at 9:34:56 PM UTC-4, Jesse Forgues wrote: >>>>> >>>>> You could make a stackable TDM cape I guess? >>>>> Each codec/cape board could pick off its own channel from the >>>>> McASP/TDM port... >>>>> >>>>> I like that idea... >>>>> >>>>> On Wed, May 27, 2015 at 2:11 PM, <jh...@cornell.edu> wrote: >>>>> >>>>>> So I'm thinking about using the BeagleBoneBlack for multichannel >>>>>> audio DSP, but there are still some questions I have about it. >>>>>> >>>>>> Since the audio capes are stackable, and you can assign each one a >>>>>> unique address, and the AM335X uses McASP, I should >>>>>> be able to process multiple channel input separately on the board, >>>>>> but choose to output the resultant signal on only use one of the capes? >>>>>> >>>>>> -Jeff >>>>>> >>>>>> -- >>>>>> For more options, visit http://beagleboard.org/discuss >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "BeagleBoard" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to beagleboard...@googlegroups.com. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to beagleboard...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
