Thank you Michael and Richard. It's now beginning to make more practical sense to me!
1. Just out of interest, when you "upsample" to Third Order Ambisonics, does that mean simulating the missing information? Is it possible to record directly in TOA? 2. Richard, you mention using the TOA Harpex VST plugin to create full 3D 16 channel TOA. Excuse my ignorance, but does 16 channels equate to 16 speakers? And does this equate to 16 different speaker positions? (e.g. placed on the surfaces of a dodecahedron, but not on the nodes). 3. Do I require Jack if I am using a Blue Ripple Sound filter? 4. Are AmbDec and Rapture 3D Advanced equivalent? 5. Do the speakers feed directly into the Motu Traveler (or equivalent)? In other words, if I hypothetically wanted to use 16 speakers (as in question 2), would I need something capable of having more speakers attached? Thanks for clarifying things for me. PS Michael, thank you for your suggestion about getting in touch with Eric. I will look up his posts later today. On 9 Jun 2014, at 12:15, Richard Furse <[email protected]> wrote: >> -----Original Message----- >> From: Sursound [mailto:[email protected]] On Behalf Of >> Michael Chapman >> Sent: 08 June 2014 15:58 >> To: Surround Sound discussion group >> Subject: Re: [Sursound] Advice on Setting up a Listening Room >> >> [...] >>> 4. I don't know whether I need to consider placing speakers above (and >>> below) the horizontal plane for the purposes I described above. It would >>> obviously be more realistic, but noticeably so? If so, how many? >> If you want 3-D you will have to. >> >> Minimum for first order is 8 in a cube. >> First order may not be precise enough for you. >> On the other hand with a TetraMic you will only get first order. >> However you can massage first order to higher order (?Harpex ... but IIRC >> only horizontal). > > There's now also the "TOA Harpex" VST plugin, which upsamples from first > order B-Format to full 3D 16-channel TOA. > >>> 7. I was planning on recording listening situations using a TetraMic. From >>> what I understand, I would use something like a Motu 4Pre to get the >> sound >>> into a MacBook Pro (although that all sounds not very portable), >> ?Tascam DR-680 Eight Channel Portable Digital Audio Recorder >> see the TetraMic site ... >> >>> then use >>> software such as Reaper with ambisonics plugins (Blue Ripple Sound?) to >>> create sound files with the correct encoding on. But then I'm stuck� do I >>> play those sound files through special software, or do I play them through >>> something like iTunes? >> >> You need to decode them to speaker feeds >> IMHO on Mac, Fons' AmbDec is your friend. >> >> You can feed the output direct (via Jack) to your speakers ... or you can >> save it to a multi-channel file and play it back how you like. >> [...] > > To give you some more options: with our (Blue Ripple Sound's) VST plugins you > can produce (and play) speaker feeds using decoders inside Reaper. You'd need > "Rapture3D Advanced" for a non-standard/irregular speaker layout - "TOA > Decoding" targets standard layouts only. Alternatively, the Rapture3D Player > can be used for stand-alone TOA playback. Currently you can't use iTunes to > play ambisonics directly AFAIK. > > Best wishes, > > --Richard > > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit > account, view archive _______________________________________________ Sursound mailing list [email protected] https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
