[chuck-users] Efficient analysis & resynthesis for game audio

mario buoninfante mario.buoninfante at gmail.com
Fri May 1 13:53:25 EDT 2020


thanks Jack, can't wait to give it a try :)

On 01/05/2020 17:45, Jack Atherton wrote:
> In ChucK 1.4.0.0 the "global" keyword got released as "external" -- we 
> since switched to global because we thought it made more intuitive 
> sense. You can use "external" for now and then when you upgrade ChucK 
> in the future, "external" will still work, but it will print a message 
> saying it's deprecated and to use "global" instead.
>
> ~Jack
>
> On Fri, May 1, 2020 at 9:10 AM Mario Buoninfante 
> <mario.buoninfante at gmail.com <mailto:mario.buoninfante at gmail.com>> wrote:
>
>     Hi Jack,
>
>     That's super interesting, especially the bit about global variables.
>     How's that suppose to work? I don't seem to be able to make it
>     work on ChucK 1.4.0.0 . Just tried on MacOS High Sierra 10.13.6 .
>
>     Cheers,
>     Mario
>
>     On Fri, 1 May 2020 at 15:34, Jack Atherton <lja at ccrma.stanford.edu
>     <mailto:lja at ccrma.stanford.edu>> wrote:
>
>         Hello!
>
>         There's documentation for the Unity embedding here:
>         http://chuck.stanford.edu/chunity/
>         Compared to Heavy, your ChucK code is compiled at runtime, so
>         you can even assemble ChucK scripts on the fly with string
>         manipulation while your game is currently running.
>
>         If you're looking to embed ChucK in another program, you will
>         want to use the ChucK class in the core/chuck.cpp file as the
>         interface. You will need to include all of the core/ files and
>         none of the host/ files. The changes we made to ChucK involved
>         separating its core logic (most of it) from its host --
>         command line and RtAudio interface, as well as reducing its
>         dependencies on global variables so that multiple ChucK VM
>         instances can coexist.
>
>         Then, there's also the new "global" variables in ChucK. If you
>         add the global keyword to a variable, it's accessible by name
>         across the entire VM (ChucK instance), and can also be set and
>         gotten from outside ChucK (e.g. from Unity).
>
>         ~Jack
>
>         On Fri, May 1, 2020 at 5:01 AM S. Elliot Perez
>         <s.elliot.perez at gmail.com <mailto:s.elliot.perez at gmail.com>>
>         wrote:
>
>             Hello!
>
>             I've been using Pure Data and the Heavy compiler (hvcc) to
>             make procedural audio for games/interactive media pieces
>             the last couple of years. I just started going through the
>             videos of the Kadenze course. The first couple of lessons,
>             I did what Mr. Cook was doing in his ChucK software using
>             Pure Data... but then I got to Session 3 where he
>             showcases a method of resynthesis using two scripts- one
>             to analyze a sound file and output a list of peaks
>             (frequency and amplitude), and one to perform the
>             resynthesis. I was very impressed with how quickly this
>             goes as you can just copy and paste the list from the 1st
>             list into the 2nd one and you already have a working model
>             which you can then begin to tweak. With Pure Data, this
>             would be an exponentially more arduous process of manually
>             looking at a spectral analysis, filling out boxes,
>             connecting them with wires, copying & pasting for each
>             frequency...
>
>             I'm curious as to what the possibilities of integrating
>             these ChucK algorithms into standard programming languages
>             like C++/C# for use in game engines. On the download page
>             of ChuCK it says that the newest versions are made to be
>             embedded in other systems. Is there documentation
>             detailing this somewhere?
>
>             -- 
>             *S・エリオット・ペレス
>             www.selliotp.com <http://www.selliotp.com>
>             *Sound Designer for*enen
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>             _*「エンエン」は日本のAppStoreでリリースされました!*_
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-- 
electronic musician, sound artist, creative coder, QA engineer
https://vimeo.com/creativecodingsalerno
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