By the way one could actually use only one microphone, measure the RIR, rotate it to another point, repeat the measurement, and make a virtual array of hundreds or thousands of points for high-order RIR recording. This has actually been done and the work published by Boaz Rafaely and his research group.
Regards, Archontis Politis > On 23 Apr 2018, at 20:31, Bo-Erik Sandholm <bosses...@gmail.com> wrote: > > As I see it to capture the signals for the upper layers of octomic with a > tetra mic you rotate the mic 90 degrees between the takes.. > To capture the lower octomic elements layer go back to initial position, > then rotate Tetra mic 45 degrees and then 90 degrees for 2 recordings. > > So 4 rotation direction to place the tetra mic elements in same positions > as the 8 Octomic capsules. > > select the 8 A signals that corresponds to the octomic positions... > > Then get our hands on the octomic software if possible and hopefully > translate the tetramic calibration file in to a octomic calibration file, > might be possible. > > This has only a chance to work for IR measurements and if the rotation of > the tetramic is done without moving the center point of the mic head. > > I hope this is possible, it should be a great new use of a tetramic to be > able with a little work to create second order room Impulse responses. > > Bo-Erik > > 2018-04-23 19:10 GMT+02:00 Fernando Lopez-Lezcano <na...@ccrma.stanford.edu> > : _______________________________________________ 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.
