Sat, 30 Apr 2011 21:57:33 +0100, "Richard" <zoanne...@yahoo.co.uk> wrote :
> Seems you need to be a member It's $20 for non-members. > LSat, 30 Apr 2011 21:39:56 +0100, > "Richard" <zoanne...@yahoo.co.uk> wrote : > > > Many thanks for that priceless info, shame the paper isn't > > available > > Here it is (for a fee): > http://www.aes.org/e-lib/browse.cfm?elib=4419 > > > : > > This is described in MAG's 1985 JAES article; > > look at Appendix A3.1.2 "Simplified UHJ > > decoding equations using three phase shifters", > > and particularly at Fig 13. The unsimplified > > block diagram in Fig. 14 uses four phase > > shifters. > > > > The key was that the simplified design used > > fewer op-amps (which came in packages of > > four), and so could be implemented for less > > money. As Eero pointed out, the AD 7 was > > cheap and cheerful. The AD 10 was the > > "proper" decoder. > > > > The paper should be in the Ambisonic > > Motherlode, but I don't see it. You never know, > > perhaps the Magic Paper Fairy will drop a > > copy into your inbox. > > > > Regards, > > Martin > > -- > > Martin J Leese > > E-mail: martin.leese stanfordalumni.org > > Web: http://members.tripod.com/martin_leese/ > > _______________________________________________ > > Sursound mailing list > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound > > > > > > ----- > > No virus found in this message. > > Checked by AVG - www.avg.com > > Version: 10.0.1325 / Virus Database: 1500/3606 - Release Date: > > 04/30/11 -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20110430/07fa7855/attachment.html> > > _______________________________________________ Sursound mailing > > list Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound > > > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1325 / Virus Database: 1500/3606 - Release Date: > 04/30/11 -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20110430/af42c4b8/attachment.html> > _______________________________________________ Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound > _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
