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 Forum index » DIY Hardware and Software » Klee sequencer
Super Klee Sequencer
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Scott Stites
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PostPosted: Sat Aug 25, 2007 12:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for that, Jan! Will download as soon I have this uploaded:

Here's a one-take Klee recording that I suppose falls into the "languid" category (let's see, covered ambient, peacuful, and angry) Very Happy

This is one of those really neat Klee patterns that just fell together while I was adjusting the pots with a particular pattern running. I liked it so much, I dropped in some heavily modified vocals from Iris, our triple-eyed Klee spokeslady.

The heavily modified phrase she utters is "To the stars through difficulty", though I've manipulated it so much, you'll probably have never guessed it.

Klee controlling two VCOs for bass/percussiony sound, VCO pulse for upper notes, same VCO saw through MS-20. Processed for stereo through Dim C, then delay and reverb. Iris spouting off subliminally here and there.

Cheers,
Scott


ad_astra_per_iris.mp3
 Description:
Klee Sequence with vocals from Iris

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 Filename:  ad_astra_per_iris.mp3
 Filesize:  2.92 MB
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Blue Hell
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PostPosted: Sat Aug 25, 2007 12:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

And thank you Scott for another great one to add to the collection Very Happy
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mono-poly



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PostPosted: Sat Aug 25, 2007 1:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

Scott this is amazing man!
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Scott Stites
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PostPosted: Sat Aug 25, 2007 2:05 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks guys Very Happy

I always have this vague feeling of being an opportunist when the Klee starts rattling off a sequence like this - it's usually something I chance across, and I feel like it's doing all the work. Very Happy

A lot of this one had to do with setting the filters just so to coax the most out of the pattern. The delay had enough delay to hold notes to form little chords throughout the sequence, and the Dim C put on the finishing touches.

Man, that tune by iPassenger is really something else! I really enjoy that one. I'm going to have to get a Nord, you guys are just having too much fun.

Cheers,
Scott

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Blue Hell
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PostPosted: Sat Aug 25, 2007 3:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

Scott Stites wrote:
TI'm going to have to get a Nord, you guys are just having too much fun.


Oh oh, the DIY peeps are not going to be happy with that Laughing

I think it would be great for quickly trying ideas for the real stuff as well. It has some quirks of course ... you can try the demo, you know that I guess?

It's in here : http://www.clavia.se/products/nord%20modular%20G2/default.asp but erm 7.7 .. 9.3 MB is not dial up friendly.

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Uncle Krunkus
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PostPosted: Sat Aug 25, 2007 4:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

Very nice track Scott.
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Scott Stites
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PostPosted: Sat Aug 25, 2007 4:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
7.7 .. 9.3 MB is not dial up friendly.


Oh, I'm patient enough for that. It's just that this computer can barely run Win 98, probably much less the app. Always buying parts, never a computer Laughing

Hey Andy, I swear I was just testing out what voltage range I wanted on my variable voltage, and got sidetracked. Very Happy Besides, I'm waiting to let you catch up stuffing the boards (the proto boards finally came home to Daddy Sharp this week).

Take care,
Scott

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Blue Hell
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PostPosted: Sat Aug 25, 2007 4:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

Scott Stites wrote:
Win 98


Right, that in itself won't do for the emulator ... I could have guessed though, dial up is soo 98 Laughing

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Uncle Krunkus
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PostPosted: Sat Aug 25, 2007 5:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

Well, I've cleaned up the lab, and I've just got one amp to fix, (dirty pots), the front panel is pretty much ironed out, and I might just warm up the iron! In about 1/2 an hour from now I shall begin the beguine! Cool Very Happy
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Scott Stites
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PostPosted: Sat Aug 25, 2007 10:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

I put a sample 8 wire connector together tonight just to get the hang of it - that's going to work out pretty good, I think. I, too have one task to finish up before I can go full bore and finish up the proto.

Hey, did you guys hear Tim's "Happy Klee" sample? It's pretty cool! He's making that thing jump. Over in the dual purpose Klee thread:

http://electro-music.com/forum/topic-19983.html

Cheers,
Scott

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seraph
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PostPosted: Sun Aug 26, 2007 3:57 am    Post subject: Reply with quote  Mark this post and the followings unread

Ad astra
Exclamation
nice one
Very Happy

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THeff



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PostPosted: Sun Aug 26, 2007 10:26 am    Post subject: Reply with quote  Mark this post and the followings unread

Wow, Scott I really like your "ad_astra_per_iris" sample, it has a lot of depth to it. As you said earlier it is amazing what you can get with three control voltages! Very cool! I'll bet that took a lot of patchcords.

Regards,

Tim
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Scott Stites
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PostPosted: Sun Aug 26, 2007 5:03 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks, Tim! Very Happy

I've got a mountain of patch cables. They're cheap enough to buy by the hundred from All Electronics, but they're actually pretty good cables - haven't had one fail yet!

Take care,
Scott

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PostPosted: Sun Aug 26, 2007 5:59 pm    Post subject: Reply with quote  Mark this post and the followings unread

Scott,

Those are a good buy! Which 3.5mm jacks do you use them with?

Kind regards,

Randal
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Scott Stites
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PostPosted: Mon Aug 27, 2007 10:42 am    Post subject: Reply with quote  Mark this post and the followings unread

Randal: Yes, they're a great buy. Even if they were crappy cables (which they're not), that almost makes them as disposable as Kleenex. I've bought well over a hundred of the three foot cables, and have several of the six foot cables as well.

I've used a number of different jacks with them - the lamentably crappy one's one can buy through Hosfelt, to the nice-but-cheap one's one used to be able to get through All Electronics, to Switchcraft and Kobichon (the last is what I'm using in the Klee proto).

Carlo: Arrg. "Difficulites" not "difficulty". Yep, it's the Kansas state motto, and I imagine the poor souls that chose that one knew what they were talking about when it came to "difficulties".

Cheers,
Scott

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fonik



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PostPosted: Wed Aug 29, 2007 11:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

i just ordered a PIC programmer. i'd thought it would be a good idea to have a midi clock input for the klee. my first guess was marc barreilles MC628 midi clock/divider. any thoughts on that?
papareil mc628

if i am able to work it out (i am new to PIC) i could probably burn some PICs, if desired.

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PostPosted: Thu Aug 30, 2007 12:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Fonik - if you're going the PIC way, then there's no question what you should do: MIDIbox!!!

http://www.mikes-elektronikseite.de/shop_deutsch/index.htm

- Buy the Core kit for 12,50 euro and install the MIDIbox CV software:

http://ucapps.de/midibox_cv.html

Even if you don't buy the Analog Output board (for midi-CV), you'll still have gate 8 Gate outs and Midi-clock sync output with various dividers and multipliers (96ppqn .. 24ppqn / 16)

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fonik



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PostPosted: Thu Aug 30, 2007 12:51 am    Post subject: Reply with quote  Mark this post and the followings unread

thank you, sneakthief. i forgot about the midibox. i will have to take a closer look at it's projects next year, though.

the idea was to have just a simple midi clock to gate conversion with a minimum of parts (one would need only the PIC, 5 resistors, 2 caps, an opto and a diode: very small PCB, the 5V+ coming from the klee2), for the frontpanel one would need to add a midi socket only.

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PostPosted: Thu Aug 30, 2007 1:15 am    Post subject: Reply with quote  Mark this post and the followings unread

the MIDIbox Core isn't that much more complicated - 23 components*** vs. 21 components for M. Bareille's.

*** only 23 parts when you omit the voltage regulator section if you're giving it a regulated 5v signal (no 7805, rectifier, 470uF, 330nF)

...and you don't need anything more than a midi-in socket for the front panel, plus you can expand it later if you want (gate outs, cv's).

i've got an extra pre-burned PIC i can send you for free if you like Smile

ps. you forgot to list the crystal for the pic Wink

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fonik



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PostPosted: Thu Aug 30, 2007 2:39 am    Post subject: Reply with quote  Mark this post and the followings unread

okay, okay. i will think it twice...

OTH what i really like is the idea of the control software for the divider functions of the mc628 plus settings could be stored and sent by the software sequencer as midi exclusive data as well). is there something similar available for the midibox?

would there be any interest for internal midi interface for the klee at all?

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PostPosted: Thu Aug 30, 2007 2:48 am    Post subject: Reply with quote  Mark this post and the followings unread

I'd rather use a gate sequencer.
So i am not in for midi on my KLEE's
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PostPosted: Thu Aug 30, 2007 3:21 am    Post subject: Reply with quote  Mark this post and the followings unread

fonik wrote:
okay, okay. i will think it twice...

OTH what i really like is the idea of the control software for the divider functions of the mc628 plus settings could be stored and sent by the software sequencer as midi exclusive data as well). is there something similar available for the midibox?


hehe - sorry to harass you Smile i just like the idea of having a kind of "swiss army knife" to process midi, like a little PSIM.

the MIDIbox CV offers the following clock divisions, selectable via SYSEX:

96 ppqn
48 ppqn
32 ppqn
24 ppqn
24 ppqn / 2
24 ppqn / 3
24 ppqn / 4
24 ppqn / 5
24 ppqn / 6
24 ppqn / 7
24 ppqn / 8
24 ppqn / 9
24 ppqn / 10
24 ppqn / 11
24 ppqn / 12
24 ppqn / 13
24 ppqn / 14
24 ppqn / 15
24 ppqn / 16

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PostPosted: Thu Aug 30, 2007 6:47 am    Post subject: Reply with quote  Mark this post and the followings unread

There's also the Blacet MIDI to Sequencer IC, also a PIC. This diagram shows it in it's most basic configuration: http://www.blacet.com/MSfig2.gif

Maybe that helps.

R.
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sneakthief



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PostPosted: Thu Aug 30, 2007 7:01 am    Post subject: Reply with quote  Mark this post and the followings unread

some people have had issues with the blacet sync pic.

from the blacet mailing list:

Quote:

Subject: [BML] midi sync chip experiences
To: blacet-list@lists.blacet.com
Message-ID: <a062007c9c1477102a25e>


i just built up the midi sync chip & divider circuit and thought
maybe other list members could benefit from the experience


the PIC pretty much works as advertised except for one issue i had.
on my particular PIC the /RUNSTOP line was permanently low, which
means that the 4018 and 4520 chips never reset. the main symptom of
this was the outputs from the 4520 remaining high even when the clock
was stopped. one fix is to make a /RUNSTOP line by inverting RUNSTOP.
works for me.


the outputs from the 4018 are high on reset and so that division
output (the 16bpm output on the datasheet) will also be high if the
clock is stopped. the fix, if you feel like making it, is to AND
together the output of the 4018 chip with the RUNSTOP signal, so it
will go low when that goes low.


ideally, if you're clocking analogue sequencers or you need the
output of the chip to be 100% in sync with the midi clock signal, all
the clock division outputs should pulse simultaneously when the midi
clock starts. otherwise, the first pulse on each division output is
that division length late. (i think). the fix is to OR together the
START pulse from the PIC with the appropriate division output.


the last problem i had was the divider chips freaking out when
clocking multiple modules. weirdly it seemed to work fine at first,
and equally weirdly it seems that it takes a while to get better
after a freakout session. maybe others can shed some light on this?


the fix i think is to buffer the division outputs using either a
transistor or an opamp in emitter follower config. i'll make this
change soon and report back.


any help or other related experiences appreciated.


thanks!
jason


note: in the US, you can get the entire MIDIbox Core kit for only $8 more than the Blacet pic (the Blacet sync PIC doesn't include a pcb or other parts): http://www.avishowtech.com/mbhp/buy.html

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Scott Stites
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PostPosted: Thu Aug 30, 2007 7:16 am    Post subject: Reply with quote  Mark this post and the followings unread

I'm not all up on the PIC MIDI stuff and what form of signal they generate, but bear in mind the Klee depends on the width of the signal for generating unmerged gates. So thin trigger signals will clock the Klee, but the gate output will be just no wider than the signal clocking it.

Merging the gates makes the gate as wide as an entire clock cycle, but that mode is generally for merging sequential gates into one gate and developing a single trigger from the merged gate signal, so it shouldn't be considered a method to generally derive gate signals from trigger signals. If they are trigger signals, that is, like I said, I dunno. Very Happy

Cheers,
Scott

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