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Metamusik
 I'm starting to get more and more into some serious EAM, Concrete etc. and this module looks like the next logical step, Quadra more or less being the standard for electronic compositions since Stockhausen. I'm eagerly awaiting it and I was wondering if anyone has any idea of how the development is going.
__ag
 Hello, Although the module development is completely finished and the reactions to this module were very positive i had very few inquires for it and never took the step to make a first batch! i'm still offering the "beta user" discount for this one, so if a few people step in i'll get it rolling! all the very best andre
Metamusik
 Sure, I'm interested. Do you have any specs and what not? Right now I'm waiting for a bigger case but if the only way the module will see the light of day is to join the beta, then that's what I'll do.
cyklopljud
 I'm interested, any more specs?
__ag
 Hello! About ADDAC803 specs: This is a hybrid module where all the algorithm is running on a digital MCU while all the audio path is fully analog. 4 High quality VCA's are used to route the necessary audio amplitude to each of the channels independently, meaning that each VCA CV input is connected to the digital side being controlled by the algorithm. The algorithm is based on the VBPA concept (Vector Based Amplitude Panning) this is the most common algorithm behind most digital spatialization techniques applied to 4 fixed position outputs (speakers). googling this will show many sources of info, here's a detailed academic paper: http://lib.tkk.fi/Diss/2001/isbn9512255324/article1.pdf Features: Polar and cartesian modes. double stereo to be used as a double panner. 4 CV outputs with the algorithm outputs. These are buffers of the same CVs that are used to control the VCA's. 0 to +5v 2 CV outputs with X & Y position or radius & angle, 0 to +5v depending on the polar or cartesian setting, if polar these 2 CV's will output the cartesian values and vice-versa. So they work as polar to cartesian converter and vice-versa: http://www.youtube.com/watch?v=Uros5bufLJI 2 extra CV outputs, titled "Filter" + & - , normal and inverted to be used for series filtering or reverb addition depending on the defined position ( ex. the further the sound source is from the center: the more reverb would to be applied; or lowers a lowpass filter frequency) This increases the perception of a distant sound. hope this helps! any other particular question? all the very best andre an updated from panel below:
Paranormal Patroler
 Andre, I'd also be interested in beta testing. Would you be so kind as to tell me more about this procedure? Also, beta testing this module => need at least four monitors, right? Plus, how much HP is this?
letitbleep
 im pretty new to the modular world, and my system is still in it's beginning stages, but i am super interested in this module, in fact im sort of planning the development of the rest of my system around it, so i'd love to do whatever i can to bring it to life.
Paranormal Patroler
 It's getting closer now. Any one else getting one of these?
beyourdog
 Interesting, that s exactly the module i wanted to make 2 years ago, I sent it to our tech who was not too hot about it... ...though it included a joystick as well for direct handling of the quadraphonie...
Paranormal Patroler
 The space reserved for it is right next to my Choices joystick. It's so obvious, you just cannot avoid trying it out. I'm quite curious about the CV out for the reverb though. That's another obvious thing to try out as well.
sandyb
 Paranormal Patroler wrote: It's getting closer now. Any one else getting one of these?

yup!

looking forward to it.

i do need to get 2 more speakers to utilise it fully but i think it will be a really useful module in a 2 speaker setup anyway.
Paranormal Patroler
 I have been pondering on the same vain myself; what use does a quad panning have if not as a stepping stone to acquiring a four speaker setup? Thankfully it doubles up as a duo stereo panner as well. Have you any idea of the workings of some of the weirder aspects of the module? I am referring to the settings/cv outs/ filter outs. To be honest, their use eludes me. On the other hand, I have been fighting my ignorance in regards of the use of a typical stereo console in a quad speaker system. Let me know if you (or anyone else for that matter) is interested in discussing this subject further, as it surely will come in handy.
bj_gzp
 I'll get one to replace my VCAmatrix. I'll abuse it for FX routing (these filter +/- outs sold me) and it's nice to have in case i should ever get a chance to rock on a quadrophonic system... Cheers, BjÃƒÂ¶rn
Paranormal Patroler
 bj_gzp wrote: I'll get one to replace my VCAmatrix. I'll abuse it for FX routing (these filter +/- outs sold me) and it's nice to have in case i should ever get a chance to rock on a quadrophonic system... Cheers, BjÃƒÂ¶rn

__ag
bj_gzp
 Another beauty for my audio mixing skiff BJ
Paranormal Patroler
KNYST
 FUCK!
Noha
 I've worked with spatialized sound in MAX/MSP and this module is very exciting! However I can't tell what some of the outputs are used for. How are CV Outs 1-4, X/Y CV Outs and Filter +- used? Is there a manual or a description anywhere? I can't find it on the website link.
Paranormal Patroler
 Noha wrote: I've worked with spatialized sound in MAX/MSP and this module is very exciting! However I can't tell what some of the outputs are used for. How are CV Outs 1-4, X/Y CV Outs and Filter +- used? Is there a manual or a description anywhere? I can't find it on the website link.

Check the fourth post from the top by Andre. He explains a few things.

Noha
 ah yes! just the info I was looking for, thanks. my glasses must have obscured the view. this module looks excellent, I now desire one immensely. are you aware of what CVs the Filter +- output? It says they are "extra." Are they tied to the room size or X/Y? It still seems unclear. and yes, the avatar photo is a self portrait
Paranormal Patroler
 Noha wrote: ah yes! just the info I was looking for, thanks. my glasses must have obscured the view. this module looks excellent, I now desire one immensely. are you aware of what CVs the Filter +- output? It says they are "extra." Are they tied to the room size or X/Y? It still seems unclear.

2 extra CV outputs, titled "Filter" + & - , normal and inverted to be used for series filtering or reverb addition depending on the defined position ( ex. the further the sound source is from the center: the more reverb would to be applied; or lowers a lowpass filter frequency) This increases the perception of a distant sound.

I'd guess they're tied to both the position and the room size. But that probably depends on the algorithm and I haven't read up on that yet. There are other stuff I haven't figured out yet (like the 4 1/4'' channel outputs) but I guess we need a manual for that.
Noha
 Paranormal Patroler wrote: I'd guess they're tied to both the position and the room size. But that probably depends on the algorithm and I haven't read up on that yet. There are other stuff I haven't figured out yet (like the 4 1/4'' channel outputs) but I guess we need a manual for that.

totes. we are just guessing about this stuff at this point. my guess on the 1/4" speaker outputs is that they are a balanced (hopefully!) copy of the 1/8" speaker outputs, like on the size matters module, to facilitate direct interfacing with a quad speaker system.
Paranormal Patroler
 Noha wrote: totes. we are just guessing about this stuff at this point. my guess on the 1/4" speaker outputs is that they are a balanced (hopefully!) copy of the 1/8" speaker outputs, like on the size matters module, to facilitate direct interfacing with a quad speaker system.

Yeah, sorry, I meant to write 1/8". The 1/4" are obviously there to output the signal to the console/speakers. So the 1/8" must be there to get the signal onto the reverbs/delays possibly? I don't see no send/return options otherwise.

edit

no, scratch that. Those must be mults of the 1/4" outs to root your signal to other modules. No returns. I wonder what the intended use of the filter outs are with no returns from the reverbs. I guess that you use the out of the 1/8" to get the sound on the reverb module and the +filter out to the reverb CV in. Whereas the -filter is there for the CV in of the cutoff filter.
So it all pertains to what the algorithm does exactly...
bj_gzp
 As far as i understood the 1/4" jacks are not balanced! I think the difference between the 1/4" and 1/8" jacks will be the levels (line vs modular). Not sure about the CV outs, but intuitively i would say they are correlated to the signal strength being routed to the 4 outs respectively. On the filter outs, i can imagine several applications, but it depends highly on the actual patch. For ex routing the outs into 2 vermona reverb units (to cover all channels) and then modulate the filter cut... CHeers, BJ
__ag
 Hello all, sorry for the delay, will now try to reply to all questions below. 1. cv outs 1-4, xy out and filter +- outs All these are CV outputs of the algorithm. CV outs 1-4 are the outputs used to control the 4 VCA's XY CV out is the output of the sound positioning in cartesian coordinates, which are a mirror of the xy inputs in the cartesian mode but different when in Polar mode. filter +- outs are CV outputs that on spatialization algorithms are used to add reverb or low pass when the sound get further away from the center. it's close to what bjorn mentions but the best way to do it is to send the audio source to be spatialized through a a VC reverb or LPF before feeding it to the audio and using the Filter +- to control the wet dry of the effect. the - output is proportional inverted to the + output. 2. 1/8 jacks and 1/4 jack are mirrored outputs so they send out the same audio but the 1/4 jacks makes it easier to plug straight to audio mixers or speakers. 3. a manual will come out closer to the final release date as well as more info. i hope i was clear! all the very best andre
Orbless
 what is the HP on this?
Paranormal Patroler
 14HP according to my calculations.
moonkid
 uhhhhhh has anyone received their beta version yet?
Paranormal Patroler
 No, not yet.
Phetus
 Hi Andre, really want to get one of these, but right now financial I can't, however I have a question. Theoretically, would it be possible to make an expansion module to make it octaphonic? So, add z modulation as well as x & y? Could be cool to have an octaphonic 803 connected to marble physics... Oh man, now I need 8 speakers... Edit: marble physics is only x & y too, I seemed to have imagined it was a ball bouncing in a 3d space. Another expansion module?
Orbless
 Is there a manual yet for this module? I just got my hands on one and want to get it all sorted quickly. Been great so far!
thundermouse
 this is melting my face with awesome.
hermes
 I saw manual with animation just kick ass as hell! great module i am sure i will work with it sooner or latter thanks!
KNYST
 Andre (or anyone else), what is the current draw on this thing? Soon, it will be enriching my patches
Paranormal Patroler
 So jealous!
 KNYST wrote: Andre (or anyone else), what is the current draw on this thing?

Hi!

This module draws around 150mA on the posivtive raill and 100mA on the negative raill.

All the best,
KNYST
Paranormal Patroler
 I purchased a second pair of monitors, so I'm officially on the prowl for one of these
__ag
 Hello all, Brief post to announce new videos for the 803! all the very best andre Part 1: Part 2: Webpage: http://addacsystem.com/product/addac800-series/addac803-quadraphonic-s patializer
Paranormal Patroler
 I hope these don't run scarce again!
KNYST
 Thanks Andre - nice examples (still love my 803)
Quasi
 I've got one coming to me and can't wait to try it out. So amazingly useful.
Quasi
 The 803 arrived and it's every bit as wonderful as I'd hoped. For me it will take a while to sculpt sound using the 803 as it's a powerful new layer to add to my imagination. Anyone have any examples to share?
Laurent G.
 I discover Addac more and more and thoses products fill my needs. My bank account bleed.
lucringeisen
 __ag wrote: filter +- outs are CV outputs that on spatialization algorithms are used to add reverb or low pass when the sound get further away from the center. it's close to what bjorn mentions but the best way to do it is to send the audio source to be spatialized through a a VC reverb or LPF before feeding it to the audio and using the Filter +- to control the wet dry of the effect. the - output is proportional inverted to the + output.

Hi, please could you help me finding out what I am doing wrong (or is it the device...), thing is I was expecting as described here that the filter would close and reverb open when the sound gets further away from the center, but what actually happens is that it works as it should when moving away from the center on one side, but when moving away from center toward the opposite side the reverb stays fully closed and LP filter keeps on opening. resuming, I get contrary effects when moving away from center depending toward which direction it is moving, but I was expecting the same things to happen no matter which direction as long as it is moving away from center. please help !! thanks, Luc
lucringeisen
lucringeisen wrote:
 __ag wrote: filter +- outs are CV outputs that on spatialization algorithms are used to add reverb or low pass when the sound get further away from the center. it's close to what bjorn mentions but the best way to do it is to send the audio source to be spatialized through a a VC reverb or LPF before feeding it to the audio and using the Filter +- to control the wet dry of the effect. the - output is proportional inverted to the + output.

Hi, please could you help me finding out what I am doing wrong (or is it the device...), thing is I was expecting as described here that the filter would close and reverb open when the sound gets further away from the center, but what actually happens is that it works as it should when moving away from the center on one side, but when moving away from center toward the opposite side the reverb stays fully closed and LP filter keeps on opening. resuming, I get contrary effects when moving away from center depending toward which direction it is moving, but I was expecting the same things to happen no matter which direction as long as it is moving away from center. please help !! thanks, Luc

Can anyone help ? did someone notice the same issue ? thanks !
lucringeisen
 Also, is AUDIO IN 2 just summing with AUDIO IN 1 ? or are they treated as a stereo input ?
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