PLAN B analog blog

Example 4 is almost exactly what I had in mind to do with it!

Can't wait.

~Danny


On Thu, Feb 07, 2008 at 12:00:15AM -0000, (i think you can figure that out) wrote:
> As the Model 23 Analog Shift Register nears design completion, I've
> posted some sound samples to give you an idea why it's got us sort of
> excited. Before I do, let me go into a few details on the things about
> ASR's which I've personally found aggravating:
> 
> A) Outputs do not track the input voltage, making driving them with a
> keyboard problematic.
> 
> B) Output taps not tracking one another so that a voltages vary as
> they are passed down the line of outputs.
> 
> C) Incoming clock causing a droop in held voltages at it's falling edge.
> 
> I'm glad to say that the Model 23 does none of these things.  As the
> following sound samples indicate, four separate VCOs driven by the
> (now) four outputs of the ASR track to the quantized input of an
> envelope generator:
> 
> http://www.ear-group.net/asr1.mp3
> 
> Same patch, but slower, giving you a clear indication of the
> uniformity of the voltages as they go down the line of outputs:
> 
> http://www.ear-group.net/asr2.mp3
> 
> Same patch, at even a slower pace:
> 
> http://www.ear-group.net/asr3.mp3
> 
> Having a little melodic fun, now with the four VCOs gated through a
> Model 13:
> 
> http://www.ear-group.net/asr4.mp3
> 
> Screwing around with the update speed, this time with the M23 sampling
> quantized random voltages via the Model 24 give the 'classic ASR' effect:
> 
> http://www.ear-group.net/asr5.mp3
> 
> Design Changes/Improvements:
> 
> The M23 now has four independent outputs taps Clock distribution to the four S+H's is now performed by an Atmel 2051 microcontroller.  The analog memory (the capacitors) are monolithic laser-trimmed semiconductor junction type.  The added expense yields the resolution you're hearing while cutting down on the overall part
> count.
> 
> For more information of the M23, go here:
> 
> http://www.ear-group.net/model_23.html
> 
> We will be seeing these along with the other first wave of ELF devices
> coming in the late Spring/Early Summer.
> 
> - P
> 
> 
>  
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
>