Hi Richard Just arranging nephew flighrs will reply in due course On Monday, 19 August 2019, Richard Foss <r.f...@ru.ac.za> wrote:
> Just catching up on your comment about time alignment with DBAP, Gus. > > I do think its useful to use delays - so for a particular real source > channel, delay its play out from a speaker far from the virtual source > longer than from a speaker close to the virtual source. With DBAP the > source channel will play from all speakers, albeit with different > amplitudes. For a person in an installation standing close to a further > speaker, the precedence effect could well come into play without > appropriate delays, as I see it. > > On 2019/08/18 1:26 PM, Augustine Leudar wrote: > >> also you could use rew to eq each individual speaker. There's not much >> point time aligning DBAP because time align to where ? The beuaty of using >> amplitude panning with irregualr speaker arrays is that there's no sweet >> spot, especially for walk through installations. >> >> On Sun, 18 Aug 2019 at 12:23, Augustine Leudar <augustineleu...@gmail.com >> > >> wrote: >> >> *should say "the software doesn't know you've placed the speakers in a >>> line not a circle" >>> Its a crude work around - but it works if you dont have time to learn >>> ICST. You can also try jamona. >>> >>> On Sun, 18 Aug 2019 at 12:21, Augustine Leudar < >>> augustineleu...@gmail.com> >>> wrote: >>> >>> I use ICST in MAx MSP for irregular speaker arrays and it works fine even >>>> though it says its "Ambisonics equivelant panning" if you reduce the >>>> directivity it basically works like a form of DBAP. It works really >>>> well, >>>> Ive made sound sfly through mazes and up and down buildings with it. You >>>> can even use a normal octaphonic panner to make things fly in a straight >>>> line - at the end of the day the sound is traveling from one speaker to >>>> the >>>> next - the software doesnt know youve placed the software in a line >>>> rather >>>> than a circle. >>>> >>>> On Sat, 17 Aug 2019 at 23:33, Jonathan Kawchuk < >>>> jonathan.kawc...@gmail.com> wrote: >>>> >>>> Hey everyone, >>>>> >>>>> I’m having a bit of trouble setting up a SPAT Revolution session for an >>>>> irregular speaker array. >>>>> >>>>> >>>>> 1. I am working with an irregular array of speakers for an installation >>>>> (see attached, speakers numbered 1-12). The speakers are in a long >>>>> hallway >>>>> and are irregularly placed in the x, y, and z planed though always >>>>> overhead. I would like to have sound move with each walker as they pass >>>>> through the hallway by automating sound to move at average human >>>>> walking >>>>> speed. I am using Speaker 7 as an origin point (0, 0, 0). >>>>> >>>>> A. Which is the correct pan law to use? I have tried DBAP and KNN >>>>> but >>>>> the diagram of each speaker seems to be pointing in the wrong >>>>> direction, >>>>> esp. at the origin. I would like the speakers to point down towards the >>>>> floor. >>>>> >>>>> B. Is it advised to select a single speaker as the origin point? >>>>> >>>>> 2. I have taken surround impulse responses from an array of 7 speakers >>>>> in a surround setup approx 19m from the origin. The microphone array >>>>> was >>>>> 7+4 (height) at 1m from the origin. If spatializing in SPAT, would I >>>>> make >>>>> the convolved signal 19m from the origin (where the speakers played the >>>>> sweep) or 1m (where the microphone array was). >>>>> >>>>> 3. In either case, would I compute speaker alignment or normalize? >>>>> >>>>> 4. Are you aware of any products that can calculate multichannel >>>>> irregular speaker distances/correction curves from a test signal? >>>>> Something >>>>> like sonarworks or genelec SAM but not proprietary and with the >>>>> ability to >>>>> calculate actual speaker positions from test signals rather than >>>>> having to >>>>> scan the room (which I currently do using matterport) or measure by >>>>> hand. >>>>> >>>>> Thanks so much, >>>>> >>>>> Jon >>>>> >>>>> >>>>> -------------- next part -------------- >>>>> An HTML attachment was scrubbed... >>>>> URL: < >>>>> https://mail.music.vt.edu/mailman/private/sursound/attachmen >>>>> ts/20190817/6e4ed719/attachment.html >>>>> -------------- next part -------------- >>>>> A non-text attachment was scrubbed... >>>>> Name: Arts Common Sound Install.pdf >>>>> Type: application/octet-stream >>>>> Size: 123847 bytes >>>>> Desc: not available >>>>> URL: < >>>>> https://mail.music.vt.edu/mailman/private/sursound/attachmen >>>>> ts/20190817/6e4ed719/attachment.obj >>>>> _______________________________________________ >>>>> 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. >>>>> >>>>> >>>> -- >>>> Dr. Augustine Leudar >>>> Artistic Director Magik Door LTD >>>> Company Number : NI635217 >>>> Registered 63 Ballycoan rd, >>>> Belfast BT88LL >>>> www.magikdoor.net >>>> +44(0)7555784775 >>>> >>>> >>>> -- >>> Dr. Augustine Leudar >>> Artistic Director Magik Door LTD >>> Company Number : NI635217 >>> Registered 63 Ballycoan rd, >>> Belfast BT88LL >>> www.magikdoor.net >>> +44(0)7555784775 >>> >>> >>> -- > Professor Richard Foss > Computer Science Department > Rhodes University > Grahamstown 6140 > South Africa > > Tel: +27 46 6038294 > Cell: +27 83 288 9354 > email: r.f...@ru.ac.za > > _______________________________________________ > 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. > -- Dr. Augustine Leudar Artistic Director Magik Door LTD Company Number : NI635217 Registered 63 Ballycoan rd, Belfast BT88LL www.magikdoor.net +44(0)7555784775 -------------- next part -------------- An HTML attachment was scrubbed... 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