[sdiy] Electric Druid NoteDiv Chips

Elaine Klopke functionofform at gmail.com
Wed Mar 15 13:43:19 CET 2017


I'll try doing the ANDing with a logic gate when I get home and see if I get the same result. My ears could just be weird. 

Sent from my iPhone

> On Mar 15, 2017, at 7:33 AM, Tom Wiltshire <tom at electricdruid.net> wrote:
> 
> The duty cycle switch just ANDs the output with a shifted copy of the binary count (divider) so there's no way it can actually alter the frequency. But changing the harmonics might alter your perception of the pitch, I suppose.
> 
> Still, I better check. It's possible it affects the internal oscillator in some way I haven't thought of.
> 
>> On 15 Mar 2017, at 09:57, Elaine Klopke <functionofform at gmail.com> wrote:
>> 
>> The only thing I found odd was that when I set the duty cycle to 25% it sounded like it went a semitone flat. Not sure if that's the tiny speaker or just how the added harmonics sound. 
>> 
>> Sent from my iPhone
>> 
>>> On Mar 14, 2017, at 10:23 AM, Tom Wiltshire <tom at electricdruid.net> wrote:
>>> 
>>> Thanks for the plug!
>>> 
>>> The code for this is open sourced and online on my site if anyone wants to program themselves some chips:
>>> 
>>> 	http://electricdruid.net/adventures-in-top-octave-generation/
>>> 
>>> I don't (currently) have programmed chips in the shop because there isn't sufficient demand for them, but I could easily do so if there was a need (like if someone gets a nice String Synth project together?)
>>> 
>>> Tom
>>> 
>>> 
>>>> On 14 Mar 2017, at 14:59, Elain Klopke <functionofform at gmail.com> wrote:
>>>> 
>>>> Hey all,
>>>> 
>>>> Today all I have is a shining endorsement and a little demo link. Like real little. 10 seconds of awesome. I just received a tube of NoteDiv Chips from Tom Wiltshire. They're set up to run on their internal clocks because I am fond of imperfection and colour and freerunning notes is a thing I enjoy. But seriously peeps, if you're even thinking about starting a top octave style synth/organ/thingy project get these. They're worth every penny.
>>>> 
>>>> Also, have an E Minor chord. Because that's my favorite chord. What's yours?
>>>> 
>>>> https://www.instagram.com/p/BRn1m9PhmVL/?hl=en
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>>> 
> 
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