Hello Lee, What you describe is possible to do with the Ambisonic Toolkit:
http://www.ambisonictoolkit.net/wiki/tiki-index.php With the SC3 implementation you have access to everything within SC3... which includes convolution. http://doc.sccode.org/Guides/Intro-to-the-ATK.html This ISN'T what I'd do, though... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Joseph Anderson j.ander...@ambisonictoolkit.net http://www.ambisonictoolkit.net ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ On 24 Feb 2015, at 1:25 pm, Fons Adriaensen <f...@linuxaudio.org> wrote: > On Tue, Feb 24, 2015 at 03:16:24PM -0500, Lee Byrd wrote: > >> 1) Specify a changing polar response that varies by frequency, morphing >> smoothly between two specified first-order patterns set at two specific >> frequencies. >> >> 2) Specify a changing frequency response that varies between two user >> specified equalization curves: a direct on-axis curve and a 180-degree >> off-axis curve, so that the frequency response of the virtual microphone >> varies smoothly by the angle of incidence. > > Neither would be really difficult to do, but I know of no tool that > does this OOTB. > > For 1) provided your are using Linux, you could use Ambdec in its > dual frequency band mode, just create a config file that defines > the two patterns and the crossover frequency. > > For 2) all depends on how you specify the two FR. If you have them > available as two equalisers, feed those with two back-to-back > virtual cardioids (which you could create again with ambdec, or > tetraproc) and sum the outputs. > > Ciao, > > -- > FA > > A world of exhaustive, reliable metadata would be an utopia. > It's also a pipe-dream, founded on self-delusion, nerd hubris > and hysterically inflated market opportunities. (Cory Doctorow) > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit > account or options, view archives and so on. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20150224/7bdb2b15/attachment.html> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
