http://launch.groups.yahoo.com/group/ambisonicbootlegs/ Surround sound Fri, 23 Oct 2009 02:25:45 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/843 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/843 http://soundofspace.com/static/make_ua_file.html That's the doc. Now I need to tweak the transcode scripts to talk UA. Etienne Fri, 23 Oct 2009 00:56:40 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/842 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/842 ... The crux of it was that you cant really mix 1st order stuff directly into the first 4 channels of a 3rd order stream. Well, you can under certain Fri, 23 Oct 2009 00:17:33 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/841 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/841 Bruce, I'm talking to David Bryant lots about getting the right settings for appropriate ambisonic compression ... once you've got a multi-channel wav made can Thu, 22 Oct 2009 23:59:53 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/840 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/840 ... discussed in depth on the SurSound list.... about several months ago I think. Etienne Thu, 22 Oct 2009 23:54:10 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/839 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/839 ... good catch, its an invalid UA file (I just threw those values in there without looking much). Once WavPack 4.70 comes out, the plan is to wrap the wavpack Thu, 22 Oct 2009 23:38:02 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/838 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/838 ... cool! nice usage of the inherent possibilities of the format. ... that appears right to me. ... yep, that's it .... in the right order and including empty Thu, 22 Oct 2009 23:22:29 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/837 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/837 ... correct. ... I dont really have a good understanding of DAWs, I must admit ... (although I've been working with Ardour recently) ... but I think that if it Thu, 22 Oct 2009 17:45:34 GMT Nicholas Mariette http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/836 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/836 hi, As an innocent (but curious) outsider to the UA discussions, I have a couple of comments / observations / queries: - first, is the UA discussion better Thu, 22 Oct 2009 14:17:54 GMT Bruce Wiggins http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/835 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/835 how can the response pattern be 180, according to the spec, it goes from 0 - 100? cheers Dr Bruce Wiggins Signal Processing Applications Research Group Thu, 22 Oct 2009 14:01:48 GMT Bruce Wiggins http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/834 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/834 To continue my thinking out loud: My 3rd order horizontal contains W, X, Y, U, V, P, Q which correspond to W = K0 = channel 1 X = K1 = channel 2 Y = K2 = Thu, 22 Oct 2009 13:39:52 GMT Bruce Wiggins http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/833 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/833 Nearly ready to rock and roll with a 20 channel 3+1 (+1 is with-height reverb) file so (thinking out loud so others can follow, or let me know if I slip-up!): Thu, 22 Oct 2009 11:33:35 GMT Bruce Wiggins http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/832 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/832 This seems sensible, (if I'm following this correctly, of course!) and is how I'm making a 20 channel file from my 3rd order panned + 1st order reverb system. Thu, 22 Oct 2009 04:51:30 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/831 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/831 here's how I'm covering it in the spec: (http://docs.google.com/Doc?docid=0ASR5ajtUjzNQZGY0ZHR3NjlfODFkc2dtZ3FjMw&hl=en) Software Implementation Implementation Thu, 22 Oct 2009 04:38:12 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/830 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/830 The file robo-jo.ua can be accessed here: http://ambiboots.audio.s3.amazonaws.com/etienne/robo-jo.ua It is Aaron's walkaround in 3rd order, compressed with Thu, 22 Oct 2009 03:32:42 GMT e deleflie http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/829 http://launch.groups.yahoo.com/group/ambisonicbootlegs/message/829 The more I think about this, the more I think the best way is to say "just implement everything as 3rd order". Then, as Aaron suggests, those 16 outputs can be