i still have that floppy lp (and probably audio too) somewhere umashankar
i have published my poems. read (or buy) at http://stores.lulu.com/umashankar > Date: Sun, 13 Mar 2011 20:24:20 -0700 > From: gre...@math.ucla.edu > To: sursound@music.vt.edu > Subject: Re: [Sursound] cross-talk cancellation used in binaural sound > reproduction > > > I can confirm the small sweet spot of the Carver device. > (or encoding that way). > One really has to measure > quite exactly where the speakers are and where one is one's self. > But it is pretty cool when it is all dialed in, in spite of > the things Ralph (correctly) notes. > I still have one around and I put it up every once in a while. > > I recall the plastic floppy(small LP) disc insert in Audio, where > I first heard it. I shall never forget my first listen to "Dry Bones", > with sounds all over the place. What a riot! > I and my friends ran out and bought up a whole lot of copies > of that issue of Audio to get some extras of the disc insert. > Eventually I got the device itself. But that first listen > to Dry Bones remains really something. > > Ah the good old days.... > > Robert > > On Sun, 13 Mar 2011, Ralph Glasgal wrote: > > > Sorry I am a little behind on the latest threads. > > > > Bob Carver's Sonic Hologram was a pioneering attempt at crosstalk > > cancelation. > > Considering the processors he had to work with, is amzing that it works as > > well > > as it did. He once told me that the little box version was the best seller > > he > > ever had. After hearing an Ambiophonic demonstration he decided to again > > include the sonic holography feature in his Sunfire home theater products. > > > > But it had the following difficulties. It was not recursive so that it only > > cancelled the initial crosstalk and not the next crosstalk caused by > > the first cancellation and so on. It had almost no adjustments for speaker > > angle and the box did not allow for the speakers to be placed much closer > > together where the results would have been much better especially for the > > pinna. It also did cancellation at frequencies where there was no > > crosstalk to > > cancel. The result was that the sweet area was small and many users could > > not > > really get it working with their speakers and rooms. The Lexicon Panorama > > mode > > had similar problems. > > > > Ralph Glasgal > > www.ambiophonics.org > > > > ________________________________ > > From: Robert Greene <gre...@math.ucla.edu> > > To: Surround Sound discussion group <sursound@music.vt.edu> > > Sent: Thu, February 24, 2011 1:15:40 PM > > Subject: Re: [Sursound] cross-talk cancellation used in binaural sound > > reproduction > > > > I suppose that someone ought to mention-so I shall-- > > the Carver Sonic Hologram. > > You can still find the devices around(they were > > crosstalk cancellation processors). > > They work really well, if you do not > > mind sitting really still in one spot > > (which of course you are going to have > > to do for any such system with only two speakers). > > And the nice thing is the Sonic Hologram sounds good- > > it does minimal damage to the music. > > > > It is interesting--sort of tells you where the industry was > > and still is on surround and so on--that Martin Colloms > > writing about the Sonic Hologram in HiFiNews > > says that it definitely makes stereo better [and potentially > > much better] but that it is just too much trouble... > > > > Robert > > > > _______________________________________________ > > Sursound mailing list > > Sursound@music.vt.edu > > https://mail.music.vt.edu/mailman/listinfo/sursound > > > > > > > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20110313/35e6a04b/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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20110314/8173216c/attachment.html> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
