hello anders, you do not need negative values for this. just set the filter cutoff to the desired minimum and open it with a positive random voltage. makes no real difference in the end. if you want to get a lfo for your system, the a145 has selectable time range too, one cycle can take several minutes. best wishes ingo --- In Doepfer_a100@yahoogroups.com, "Anders Ehlin" <anders_ehlin@h...> wrote: > Hmm... now here's a lot of options! Anyway, I want sounds to evolve in both > directions, for example a filter to open and close again. What I'm after is > something that, if we stick to the filter, at random times opens or closes > (randomized) the filter with random amount... The 149-1 seems, as you said, > very conrollable with its cv inputs! But do I actually need negative voltage > to close the filter, or just less amount of positive voltage. Sorry about > these very basic questions, this is one of the things you really don't have > to make a big thing of when hazzling around with my nord modular, you pick a > module, you pick another one and off you go! Not quite the real thing ;-) > > Btw I missed on the 149-1 needs to be triggered, my mistake! But I'll > probably put in an LFO in my system anyway, and I have S&H out from my > system 100 which should do the trick you were refering to Ingo, though it > might not be that slow come to think of it... ah merde, need to read more!! > > Anders > > > >From: Bakis Sirros <synth_freak_2000@y...> > >Reply-To: Doepfer_a100@yahoogroups.com > >To: Doepfer_a100@yahoogroups.com > >Subject: Re: [Doepfer_a100] Re: random!! > >Date: Wed, 25 Aug 2004 06:22:18 -0700 (PDT) > > > > > >or, you could add a negative offset voltage to the > >a149-1 output via an a176 and an a138a,or an a176 and > >a138c if you want an a149-1 AC output, or an a167 > >comparator, or, or, or... > >bakis. > > > > > > > > > > > >--- selfoscillate <synaptic_music@y...> wrote: > > > > > > > > hello anders, > > > > > > the a149-1 generates a random event when you feed a > > > gate signal > > > into one of the gate inputs, so it is completely up > > > to > > > you, how often a random event will appear. > > > the random part of the a118 changes permanently, > > > so this is probably not what you want. > > > > > > if you want to smooth the transitions over a very > > > long period, > > > then you should consider the a170 dual slew limiter. > > > it doesn't have vc of slew time, but it has a switch > > > for > > > the time base, just like the a140 adsr. with this > > > you can > > > get transitions which evolve over several minutes. > > > > > > i don't have information about the a117 here in the > > > office, > > > i have to try it in the studio to be able to say > > > more about it. > > > > > > two additional notes: > > > the a149-1 only gives you positive values. > > > if you need them to be negative, then you need > > > to add an a175 or a138c or a133. > > > > > > when i need such very slowly evolving random > > > voltages, > > > then i often use the combination lfo, slew limiter > > > and > > > sample&hold. every time when i need a new value i > > > simply > > > trigger the sample&hold. the actual lfo value is > > > sampled > > > and then slewed by an a170. this solution gives both > > > positive and negative values. > > > > > > best wishes > > > > > > ingo > > > > > > > > > > > > --- In Doepfer_a100@yahoogroups.com, "Anders Ehlin" > > > <anders_ehlin@h...> wrote: > > > > Hello Ingo! > > > > > > > > Yeah the 149 seems to be the most versatile, I'll > > > check how much > > > space I > > > > have left, haven't ordered yet.. :-) But do you > > > know how low > > > density on the > > > > signals you can derive from it, If I want to get > > > changes in the > > > area between > > > > 30 secs and 1 minute or so..? And how does the 117 > > > and 118 compare > > > on this? > > > > I can't find any info on this in the manuals, more > > > than that the > > > slew > > > > limiter can smoothen a signal with up to 10 > > > seconds. > > > > > > > > Thanks a lot!/Anders > > > > > > > > > > > > >From: "selfoscillate" <synaptic_music@y...> > > > > >Reply-To: Doepfer_a100@yahoogroups.com > > > > >To: Doepfer_a100@yahoogroups.com > > > > >Subject: [Doepfer_a100] Re: random!! > > > > >Date: Wed, 25 Aug 2004 11:07:08 -0000 > > > > > > > > > > > > > > >hello anders, > > > > > > > > > >the a117 digital noise module only outputs gate > > > signals > > > > >with the same level, so it is mainly for > > > triggering > > > > >other modules or for use as a noise source. > > > > > > > > > >the a118 gives smooth random voltages, but you > > > can't control > > > > >the randomness via cv. this is a good application > > > for > > > > >the a149-1, where randomness and the appearance > > > of random > > > > >events can be controlled with voltages and gates, > > > but the > > > > >voltage changes are not smooth, so you should add > > > a > > > > >slew limiter here. a vc slew limiter gives even > > > more > > > > >control over the smoothness of the random events. > > > > > > > > > >from my point of view the combination of a149-1 > > > and > > > > >a171 is best, because it gives the most control. > > > > > > > > > >the a118 is an alternative, if you want to save > > > money and > > > > >rack space. > > > > > > > > > >best wishes > > > > > > > > > >ingo > > > > > > > > > > > > > > > > > > > > > > > > >--- In Doepfer_a100@yahoogroups.com, "Anders > > > Ehlin" > > > > ><anders_ehlin@h...> wrote: > > > > > > > > > > > > Hi guys! > > > > > > > > > > > > I can't descide what random module to go for, > > > I aim at creating > > > > >long > > > > > > drones/soundscapes (mainly from incoming > > > signals) that evolves > > > very > > > > >slowly > > > > > > but "uncyclic", the random would for example > > > triggering slow > > > filter > > > > >events. > > > > > > I've looked at the 117 and 118 but the new > > > contender 149-1 also > > > > >seems nice. > > > > > > Any suggestions? Should I get a slew limiter > > > to soften the edges > > > > >even more? > > > > > > > > > > > > Thanks Anders > > > > > > > > > > > > > > > > >_________________________________________________________________ > > > > > > Auktioner: Tjäna en hacka på gamla prylar > > > http://tradera.msn.se > > > > > > > > > > > > > > > > > >_________________________________________________________________ > > > > Chatt: Träffa nya nätkompisar på Habbo Hotel > > > > http://habbohotel.msn.se/habbo/sv/channelizer > > > > > > > > > > > >===== > >Bakis Siros > >Parallel Worlds / Polariton > >Athens-Greece > >[Doepfer_a100] group owner > >http://www.shimarecords.co.uk > >http://www.ward12.com > > > > > > > > > >__________________________________ > >Do you Yahoo!? > >New and Improved Yahoo! Mail - 100MB free storage! > >http://promotions.yahoo.com/new_mail > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > _________________________________________________________________ > Hitta rätt på nätet med MSN Sök http://search.msn.se/
Message
Re: random!!
2004-08-25 by selfoscillate