Can you get the a100 C/V keyboard with inverted keys?
2008-07-05 by L
I saw the organ keyboard was available with inverted keys.. an inverted c/v controller would make me happy
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Re: [Doepfer_a100] Re: hard science question
2008-07-04 by Monroe Eskew
It's not just what's convenient. It may be found by scientific investigation to be how the ear actually works. Much work has already been done on this. Here is a good starting place for information: http://en.wikipedia.org/wiki/Cochlea Monroe On Thu, Jul 3, 2008 at 7:09 PM, Doug
Re: hard science question
2008-07-04 by laryn91
Another benefit to harmonic theory is it's intuitive and deep. Since humans find only a small subset of possible sounds interesting for musical application, subtractive and additive synthesis has made sound design relatively easy but powerful. On the other hand, modulation type s
Re: [Doepfer_a100] Re: DECENT FOUR CHANNELS PANNING MIXER
2008-07-04 by Florian Anwander
Hi Alexandre > and I cant really do this with any other module I think... To be honest, I do not understand, what shoudl be the use whithin(!) a modular signal path. I'd see it at the end of the signal path. And there is no reason (but mechanically) to have it "inside" the modula
Re: DECENT FOUR CHANNELS PANNING MIXER
2008-07-04 by bellenger_a
> > The answer is quite simple: the inquiries for such a module are quite poor. COME ONE GUYS!! Are the ones here using A100 as stage instrument or to record electronic music pieces like... without overdubs... this would be such a practicle module... I dont understand really... a
Re: DECENT FOUR CHANNELS PANNING MIXER
2008-07-04 by bellenger_a
> > Is there an hidden reason behind that? > Because of http://www.thomann.de/fr/behringer_xenyx_802.htm ? A price > that never could be reached by Doepfer. OK... yes... but... still I'd like to have such features as a euro rack format type of module... and no pan cv on Beringher
AW: [Doepfer_a100] Re: hard science question
2008-07-04 by hardware@doepfer.de
> Pretty sure my original post on this subject is weak (or worse), but > I think this article might help. One should be able to construct an > arbitrary periodic function using a non-trigonmetric basis. In other > words, you *can* "create a sine by adding signals." > > http://iee
Re: F.S. Doepfer A124-5 Wasp Filter+++++++++++sold
2008-07-04 by Herman Pearl
--- In Doepfer_a100@yahoogroups.com, "Herman Pearl" wrote: > > F.S. Doepfer A124-5 Wasp Filter > > $95 + Shipping. > PM me, first reply gets it. > Pay Pal would be nice and quick. > I'm in Pittsburgh, PA USA > sold, thanks
Re: [Doepfer_a100] Re: hard science question
2008-07-03 by Monroe Eskew
The question is basically whether overtones are objective or just one interpretation of a wave. Given that there are multiple ways to decompose a given waveform, why is one decomposition favored as a way of understanding the overtones? If the decomposition corresponds to how the
Re: hard science question
2008-07-03 by Doug
>why is one decomposition favored? In analog electronics, sine waves are everywhere due to the way current and voltage behave in analog circuits. Building a filter in this environment using a trig decomposition is easier than switching to another decomposition. In math, sine wave
Re: [Doepfer_a100] hard science question
2008-07-03 by Magnus Danielson
From: Chris Muir Subject: Re: [Doepfer_a100] hard science question Date: Thu, 3 Jul 2008 14:40:12 -0700 Message-ID: > > On Jul 2, 2008, at 9:20 AM, Monroe Eskew wrote: > > > Perhaps a sine wave can be expressed as an infinite series of square > > waves. > > Aren't Walsh transform
Re: [Doepfer_a100] hard science question
2008-07-03 by Chris Muir
On Jul 2, 2008, at 9:20 AM, Monroe Eskew wrote: > Perhaps a sine wave can be expressed as an infinite series of square > waves. Aren't Walsh transforms squarewave-based? -C Chris Muir cbm@well.com http://www.xfade.com
Re: [Doepfer_a100] Re: hard science question
2008-07-03 by Monroe Eskew
Sine functions can be represented as Taylor series. The terms of the Taylor series are not periodic functions however. But we can redo the Taylor series, taking advantage of the periodic nature of the sine wave, doing it normally on the interval [0,2pi) and then "re-centering" at
Re: [Doepfer_a100] Re: hard science question
2008-07-03 by James Husted
I agree completely. The true nature of the analogue world is that there are very few if any abrupt transitions to any event. Nothing naturally goes instantly from one state to another like a square wave (I guess you would have to go sub-atomic first but even that is theory). In f
Re: [Doepfer_a100] Re: hard science question
2008-07-03 by achtung_999
Expressing overtones in squarewaves is not correct. Because the squarewave has a large number of overtones. The (perfect) sine is the purest tone you can achive. It has no overtones. that is the way mathematics looks at it. If you would look in with a spectrum analyzer the (perfe
Re: hard science question
2008-07-03 by laryn91
Yes, but not vary precise and lots of hi-freq artifacts. As noted in this thread, there are many mathematical functions that will *approximate* a sine. But only a circle can make a circle. An infinite number of squares may converge to circle - but never hit it (I think...). --- I
Re: hard science question
2008-07-03 by laryn91
The reason the ear can separate the two oboes is because an expected harmonic relationship is known as a reference point for analysis. So the two "parts" can be reconstructed by the brain to identify two oboes. So it looks like the ear-brain maybe does know (pre-wired?) Fourier s
Re: hard science question
2008-07-03 by Doug
> > In your example, what are the "pitch parts" you're separating when analyzing the two > oboes? SINE waves - right? Not square or some other arbitrary function. The "oboe function" (steady state). I picked oboe, because it's not a sine. Each part is not a sine, yet the mind is
Re: hard science question
2008-07-03 by laryn91
In your example, what are the "pitch parts" you're separating when analyzing the two oboes? SINE waves - right? Not square or some other arbitrary function. Since I can only read the fragmented summary in the referenced paper, so maybe I'm understanding it totally incorrectly. Bu
Re: hard science question
2008-07-03 by Doug
> Sine functions can be represented as Taylor series. Perfect example of a sine being constructed. >I'm guessing, the > human ear naturally decomposes a wave into its Fourier components, absorbing > the energy from the lower frequencies in sine form, and then passing off the > re
Re: hard science question
2008-07-03 by Doug
Pretty sure my original post on this subject is weak (or worse), but I think this article might help. One should be able to construct an arbitrary periodic function using a non-trigonmetric basis. In other words, you *can* "create a sine by adding signals." http://ieeexplore.ieee
Re: hard science question
2008-07-03 by laryn91
I don't believe you can create a sine by adding signals with overtones. You can transfer the energy around in the spectrum with specific phase cancellations. But every time you cancel an overtone you create or reinforce another. In nature, sine functions are prevalent everywhere.
Re: [Doepfer_a100] DECENT FOUR CHANNELS PANNING MIXER
2008-07-03 by Sandy Brain
a combination of A134s and Plan B model 9 mixer(s) would maybe do what you want? On 3 Jul 2008, at 10:02, Florian Anwander wrote: > Hi Alexandre, > > > I find it realy strange that such a somehow basic and evident > module is still missing in > > euro rack format. > > > > Is ther
Re: [Doepfer_a100] DECENT FOUR CHANNELS PANNING MIXER
2008-07-03 by Florian Anwander
Hi Alexandre, > I find it realy strange that such a somehow basic and evident module is still missing in > euro rack format. > > Is there an hidden reason behind that? Because of http://www.thomann.de/fr/behringer_xenyx_802.htm ? A price that never could be reached by Doepfer. Fl
Re: [Doepfer_a100]Doepfer euro speakers
2008-07-03 by Florian Anwander
Hi > what I think would be a great doepfer module is single speakers in a > euro faceplate , so you could buy 2 and put it in your modular cabinet, > like an ARP 2600. I think, speaker faceplates for the Euro-frames are available from Knürr. Florian
Re: [Doepfer_a100] New A100 CV/Gate Keybd Question
2008-07-03 by Florian Anwander
MIDI-Out is never monophonic. Florian anatronn wrote: > Can it work as a Polyphonic MIDI contoller > as the synthesizers.com CV/GATE kbd can, or is > the MIDI out monophonic ? > > All the best,
AW: [Doepfer_a100] A 199 with no tank.
2008-07-03 by hardware@doepfer.de
> Is it possible to purchase this module without the tank. Yes. Please contact the Doepfer representative in your country for price or our sales department (sales@doepfer.de) if there is no representative in your country. Best wishes Dieter Doepfer
AW: [Doepfer_a100] DECENT FOUR CHANNELS PANNING MIXER
2008-07-03 by hardware@doepfer.de
> Hello, > > I really would love to see such a module appear. I know its been > discussed here a while > ago and that a few prototypes possibilities can be seen on the > Doepfer website. > > I find it realy strange that such a somehow basic and evident > module is still missing i
AW: [Doepfer_a100] New A100 CV/Gate Keybd Question
2008-07-03 by hardware@doepfer.de
> Can it work as a Polyphonic MIDI contoller > as the synthesizers.com CV/GATE kbd can, or is > the MIDI out monophonic ? The midi out of the A-100CGK is polyphonic. But to speak the truth if you do not need the monophonic CV/Gate outputs of the A-100CGK I'd buy a cheaper 5 octav
Re: [Doepfer_a100] hard science question
2008-07-03 by Florian Anwander
Hi Monroe > ways. Perhaps a sine wave can be expressed as an infinite series of square > waves. Then a sine wave should have a lot of overtones. I never tried to analyse this mathematically or experimentally, but I can imagine, that the sum of overtones of all the squares would b
AW: [Doepfer_a100] Re: How do the new DIY rails work?
2008-07-03 by hardware@doepfer.de
You find my answers written inline. Dieter Doepfer > Okay, sounds good. The bag of screws contains I think 4 small screws, > they are the same threading as the tiny nuts, and the power supply. > I'm guessing those 4 screws are to mount the power supply. Yes > In addition to that,
Re: DECENT FOUR CHANNELS PANNING MIXER
2008-07-03 by Doug
> I find it realy strange that such a somehow basic and evident module is still missing in > euro rack format. > I am assuming you have seen this and it is not what you had in mind? http://www.cwejman.net/cwejman.net/mx-4s.htm Doug
A 199 with no tank.
2008-07-03 by dt.carnovale
Is it possible to purchase this module without the tank. Cheers
DECENT FOUR CHANNELS PANNING MIXER
2008-07-03 by bellenger_a
Hello, I really would love to see such a module appear. I know its been discussed here a while ago and that a few prototypes possibilities can be seen on the Doepfer website. I find it realy strange that such a somehow basic and evident module is still missing in euro rack format
[Doepfer_a100]Doepfer euro speakers
2008-07-03 by amnesia
what I think would be a great doepfer module is single speakers in a euro faceplate , so you could buy 2 and put it in your modular cabinet, like an ARP 2600.
Re: [Doepfer_a100] hard science question
2008-07-03 by mcb, inc.
On Wed, 2 Jul 2008, Monroe Eskew wrote: > Here's my guess-- Qualitatively, different waveforms have different sounds, > and this does not necessarily need to be interpreted as having overtones. > However FILTERS are what truly reveal overtones. But the function of a > filter is d
New A100 CV/Gate Keybd Question
2008-07-02 by anatronn
Can it work as a Polyphonic MIDI contoller as the synthesizers.com CV/GATE kbd can, or is the MIDI out monophonic ? All the best, /A
Re: How do the new DIY rails work?
2008-07-02 by Doug
Compatible rails are available from Schroff. At least they are here in the US. I think they are about $10 each without the threaded strips, and the strips are another $10 each or so. I called them and they said they will sell individual pieces, although I didn't buy any. Doug ---
Re: How do the new DIY rails work?
2008-07-02 by astroschnautzer
it would also be nice that you could purchase the rails seperatly as you can power alot more modules than 168hp (2rows) with the diy kit #2, I forexample have double that (336hp) and many of them are quite wide too and they shouldn`t take even half of the 1,2A the power supply is
AW: [Doepfer_a100] Re: A-126 malfunctioning...
2008-07-02 by hardware@doepfer.de
The power supply of the DIY kit#1 uses nearly the same circuit as the PSU2, only with external transformer. It should be not responsible for the problems with the A-126. Best wishes Dieter Doepfer > I use the doepfer DIY kit #1.. > > --- In Doepfer_a100@yahoogroups.com, wrote: >
Re: AW: [Doepfer_a100] Re: module easter eggs
2008-07-02 by Bakis Sirros
the new A137-2 looks great! Bakis Sirros - Parallel Worlds / Interconnected / Memory Geist [Doepfer_a100] group owner www. parallel - worlds - music. com www. myspace. com/ parallelworldsmusic www. myspace. com/ interconnectedmusic www. myspace. com/ memorygeist www. DiN. org. uk
hard science question
2008-07-02 by Monroe Eskew
I'm curious about harmonics. I've been looking for an explanation of why different waveforms have different overtones. One explanation offered is in terms of Fourier series. Every periodic function can be expressed as an infinite sum of sine waves of increasing frequency and decr
Re: How do the new DIY rails work?
2008-07-02 by techmaster242
--- In Doepfer_a100@yahoogroups.com, wrote: > > > I received my DIY kit today, and it came with a different kind of rail > > than what was pictured at the Analogue Haven and Doepfer web sites, or > > in the plans that came with the kit. How am I supposed to mount them > > exactly
Re: AW: [Doepfer_a100] Re: module easter eggs
2008-07-02 by Brandon Daniel
On Wed, Jul 2, 2008 at 7:48 AM, James Husted wrote: > I remember the first time I popped open one of my Seq. Circuits Pro- > One - a few crazy things on the PCB - a fairly large Buddha being the > one one I remember most. http://flickr.com/photos/bdu/63116895/ and others in the s
AW: [Doepfer_a100] Re: module easter eggs
2008-07-02 by hardware@doepfer.de
> It would be lovely, but please don't let it delay production too > much! Any > update on the status of those new modules expected to be out this month? > > Regards, > Monroe The modules should arrive next week and then we start to deliver all modules that have been ordered alre
AW: [Doepfer_a100] Re: A-126 malfunctioning...
2008-07-02 by hardware@doepfer.de
> I also had problems with my 126 dying on me, lots of times, but it doesn't seem to have > happened for the past couple of years at least. (My module dates from 1998 I think.) At the > time, it wasn't about it not powering on, but rather it would stop working in the middle of >
Re: [Doepfer_a100] Re: module easter eggs
2008-07-02 by Monroe Eskew
It would be lovely, but please don't let it delay production too much! Any update on the status of those new modules expected to be out this month? Regards, Monroe On Wed, Jul 2, 2008 at 2:23 AM, wrote: > > Not a module and perhaps a typo instead of an easteregg, but in the > > R
Re: A-126 malfunctioning...
2008-07-02 by astroschnautzer
I use the doepfer DIY kit #1.. --- In Doepfer_a100@yahoogroups.com, wrote: > > > Yes, on base of this comment I figured it out, I just did not > > first understand that you have > > to turn off the device to get this working. Thanks for the help! > > You'r welcome. I suppose the
Re: hard science question
2008-07-02 by Doug
Off the top of my head, I don't think the set of square waves forms an orthogonal basis, so that a decomposition in terms of square waves is not unique. In other words, in the square wave basis, the "overtones" present are not unique. Not sure how you could apply a filter in this
F.S. Doepfer A124-5 Wasp Filter
2008-07-02 by Herman Pearl
F.S. Doepfer A124-5 Wasp Filter $95 + Shipping. PM me, first reply gets it. Pay Pal would be nice and quick. I'm in Pittsburgh, PA USA