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 Forum index » DIY Hardware and Software » ChucK programming language
Thank you! ChucK 1.2.1.1
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kijjaz



Joined: Sep 20, 2004
Posts: 765
Location: bangkok, thailand
Audio files: 4

PostPosted: Sat Aug 25, 2007 12:05 pm    Post subject: Thank you! ChucK 1.2.1.1
Subject description: wanna share what I got from the new version
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Thanks very much to all the developers and community which helps develop ChucK.
I'm always excited to hear news about ChucK,

I've tested ChucK on my Windows XP,
and now it can correctly communicate with the RME Multiface now
I'm so happy ^_^

I can't wait to play with Unit Analyzers.
I'll take some time to study the docs and examples
and share with all of you again and again.

take care all chuckers. keel on chucking up and around.

Last edited by kijjaz on Sun Oct 07, 2007 9:47 am; edited 1 time in total
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chuckles



Joined: Apr 02, 2007
Posts: 72
Location: San Diego, California

PostPosted: Mon Aug 27, 2007 12:28 pm    Post subject: When did that happen? Reply with quote  Mark this post and the followings unread

Boy, you turn your back for a minute...

When was 1.2.1.0 released? Where was it announced? I went to the "What's New?" link and the last version discussed was still 1.2.0.8.

Is there some secret clubhouse whose location I haven't been told for some reason?

...r...
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Kassen
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Janitor


Joined: Jul 06, 2004
Posts: 7678
Location: The Hague, NL
G2 patch files: 3

PostPosted: Mon Aug 27, 2007 1:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

A few days ago...

There is a mailing list that you should probably join, all new releases get annouced there...

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Kassen
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Joined: Jul 06, 2004
Posts: 7678
Location: The Hague, NL
G2 patch files: 3

PostPosted: Mon Aug 27, 2007 1:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

here you go;
http://chuck.cs.princeton.edu/community/

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Gasten



Joined: Oct 16, 2006
Posts: 7
Location: Sweden

PostPosted: Sat Sep 01, 2007 3:30 am    Post subject: Reply with quote  Mark this post and the followings unread

It's in the mailing-list all the cool stuff happens!
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kijjaz



Joined: Sep 20, 2004
Posts: 765
Location: bangkok, thailand
Audio files: 4

PostPosted: Wed Sep 12, 2007 2:44 am    Post subject: Reply with quote  Mark this post and the followings unread

I've got the new ChucK for quite some time but still don't have enough time to play with the Unit Analysers.
I'm not a DSP person, so I'm gonna start reading more about analysis and resynthesis..
especially about FFT.

I still haven't read all of the Theory and Techniques of Electronic Music by Miller Puckette..
But I see some basic work with FFT,
Is it a recommended book to read for this purpose?

Thank you.
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kijjaz



Joined: Sep 20, 2004
Posts: 765
Location: bangkok, thailand
Audio files: 4

PostPosted: Mon Oct 01, 2007 1:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

I've been experimenting with FFT and IFFT lately
and had so much fun.
now it's just great to be able to design some more sounds ^_^

There is one problem i see in the document page.
http://chuck.cs.princeton.edu/doc/program/uana_full.html#FFT
it says the .transform of IFFT accepts float arrays, but actually it should be complex array.

i'm gonna play with more analyzers soon!

Last edited by kijjaz on Mon Oct 01, 2007 9:05 pm; edited 1 time in total
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Kassen
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Posts: 7678
Location: The Hague, NL
G2 patch files: 3

PostPosted: Mon Oct 01, 2007 7:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just used the new string stuff to make ChucK make up words and write nonsense stories about them!
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Stream Operator


Joined: Oct 13, 2007
Posts: 6221
Location: near Austin, Tx, USA
Audio files: 267

PostPosted: Sat Oct 13, 2007 3:49 pm    Post subject: My fun playing with FFT/IFFT Reply with quote  Mark this post and the followings unread

With microphone input and the new FFT/IFFT, i made a simple voice effects box. It's another sounds-like-a-robot effect, but this one is done by selecting frequencies. The program does an FFT, then peak-detects for any frequency above a percentage threshold, and does an IFFT only on the peaks. So it basically strips off all the subtle harmonics and leaves you with the one or few major harmonics.

This makes for an interesting effect, but I would like to do a lot more. I plan to explore freely rather than take all that much of a goal-based approach, and see what happens.

Many thanks to the Chuck team for providing me with such a fun way to learn about and explore music.
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kijjaz



Joined: Sep 20, 2004
Posts: 765
Location: bangkok, thailand
Audio files: 4

PostPosted: Sun Oct 14, 2007 2:38 am    Post subject: Reply with quote  Mark this post and the followings unread

I see Discrete Cosine Transform UAna (and the inverse transform)
where should I read about the applications?
I'm getting naughty with these tools heheh ^_^
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Stream Operator


Joined: Oct 13, 2007
Posts: 6221
Location: near Austin, Tx, USA
Audio files: 267

PostPosted: Sun Oct 14, 2007 5:13 am    Post subject: Those crazy cosine transforms... Reply with quote  Mark this post and the followings unread

kijjaz, as is often the case, we can get started with Wikipedia

http://en.wikipedia.org/wiki/Discrete_cosine_transform

Actually I think I got a "B" in signal processing and that was 20 years ago, so I don't remember all that much about the discrete cosine transform. Wikipedia reminds me that it works on signals with even symmetry, that is, signals that look the same when folded over on the y-axis, aka mirror-image signals. It seems to be like an FFT but without the phase information and with twice the harmonics. Perhaps the signal is mirrored to create the symmetry, then DCT applied to get the spectrum.

Glancing at the documentation on DCT, its output is not complex like an FFT, but rather an array of floats. I imagine that for the purposes of just playing around with it, one could think of it like an FFT spectrum as it has similar properties. Also the docs say it isn't "fast" like an FFT, so a warning on that one.

I dunno, I say write up a patch with DCT and/or IDCT in it and have at it! Smile

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