Pd-list October 1999

pd-list@lists.iem.at

20 participants
48 discussions

Online Tcl/Tk resources
by Israelbenz＠aol.com 07 Oct '99

07 Oct '99

After I finish some projects I'm working on know, I'd like to begin working on a slightly friendlier/sexier UI for pd, if only for my own intellectual stimulation and self satisfaction. I've come to this point because a Max/MSP porrt for Windows is a ways off at best. The only problem is I don't really know anything about Tcl/Tk. I'm moderately capable in generic C++ and VC (i.e., MFC). Does anyone have any suggestions about online tutorials (i.e., free) about how to write Tcl/Tk code. If not, how about any particularly good books. Sincerely, Benjamin Israel israelbenz(a)aol.com www.arts.uci.edu/israelbenz I'll try anything once, except incest and folk dancing. . . Sir Thomas Beecham

4 3

a few fiddle questions
by Israelbenz＠aol.com 06 Oct '99

06 Oct '99

I'm attempting to write a patch that will in part automate the process of transcribing relatively simple new agey music (a current project I've put off way too long). I'd like to know if fiddle has a higher degree of accuracy in detecting pitch in sound files sampled at 88.2k as opposed 44.1k. I know it said somewhere in the documentation that the interpolation of tabread4~ (what I'm playing through into fiddle) is far more accurate when the sound files are upsampled to 88.2k. This makes sense, of course, I'm just wondering that since I'm just playing the sound files back at "normal" speed if there is any other advantages, namely accurate pitch detection, to upsampling. Since I'm working from a sound file and not a live performer, are there any other tricks to getting higher accuracy in pitch detection? What are the limitations on the number of simultaneous independent fiddle objects? The reason I ask is that I'm thinking of dividing the register of the piano into band-limited regions, theoretically expanding the number of voices that can be detected simultaneously and thus be recomposited later. Or at least that's what I'm hoping to do. I'm a little confused about the pitch output of fiddle's outlets. Currently I have one fiddle object declared thus: fiddle 1024 3 20 0 This creates an object with six outlets. My understanding of the individual outlets is as follows: (Please correct me if I'm wrong) outlet 1 cooked pitch (i.e., most prominent?) outlet 2 bang on attack outlet 3 raw pitch 1 (same basic pitch as cooked?) and assoc. amp outlet 4 raw pitch 2 and assoc. amp outlet 5 raw pitch 3 and assoc. amp outlet 6 overall amp Ben,

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Re: 7tuff
by alex 06 Oct '99

06 Oct '99

>> i guess <remove> and <previous> are not implemented for lists.. >> is there plan to implement these ? > >setsize (lets you resize a list) >and >element (lets you directly access a specific element) that is for arrays though i mean as methods for [pointer] .. from 0.intro.txt : 'you can only get the "next" element or "append" to the list.' prev and remove would be nice .. >> also, would it be outside scope of pd to have signal arrays >> in templates/lists vs having to copy that to an array ? >> ie would mean dynamically created arrays, which would be uzeful >> for much. ex non-destructive editing, multiple sample instruments etc.. > >you can as dynamically update your signal arrays as well as your >lists ... hmm... can dynamically update signal arrays but dynamically creat ? as in, when you define template with [field <name> array <template>] in it, each append creates a new [array <template>] if they were signal arrays, maybe could just define [field <name> array] (type float assumed).. then this array could be resized etc like normal arrays, but also used as target for (tabread4~ tabwrite~ tabreceive~ tabsend~) i guess this requires tab*~ being able to use pointer as target. or use [set $1] being able to resolve pointer into name for use in tab*~ maybe another problem is blocksize and overlap .. maybe these could be defined as the block attributes in the window where the template is instantiated .. (ex [pd data] in examples) hmm.. =) +++

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Re: cd
by Miller Puckette 06 Oct '99

06 Oct '99

I've got a rather primitive CD player for NT which I call "bilge" (named for Bill G.) -- I've put a snapshot on http://www.crca.ucsd.edu/~msp/Software/bilge.zip (I'm trying to organize all my toys in a library for release but other things just keep popping up.) cheers Miller

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7tuff
by alex 05 Oct '99

05 Oct '99

hey .. i have some questions .. i guess <remove> and <previous> are not implemented for lists.. is there plan to implement these ? also, would it be outside scope of pd to have signal arrays in templates/lists vs having to copy that to an array ? ie would mean dynamically created arrays, which would be uzeful for much. ex non-destructive editing, multiple sample instruments etc.. is it possible to have lists within lists ? what does sublist do ? can tcl/interface be run on different machine to pd engine ? osw is 'open sound world' by the way .. i haven't read the paper but it seems interesting. i'm not sure how much more it would achieve in musical sense (being yet another graphical procedural language) ttyt au revoir - azo

2 1

cd
by alex 05 Oct '99

05 Oct '99

has anyone experimented with cd within pd ? does a cdplayer object exist for pd ? else, could use netsend/netreceive to connect to cd player and control position and track at least .. nice if there was varispeed player as well. also nice if you could do this per player .. xex

2 1

(no subject)
by Israelbenz＠aol.com 05 Oct '99

05 Oct '99

Anybody have experience using fltk and wsWindows want to share their experiences, and make a few comparisons and contrasts? I'm researching which GUI toolkit I want to use to explore the possiblity of building a nice sexy UI for pd. It would have liked to have used gt (used to build the KDE desktop for Linux systems), but there is no free version or even remotely reasonably priced version for MS Windows development. I think it's about $2,000 so forget that. Anyway, thanking you in advance. Sincerely, Benjamin Israel israelbenz(a)aol.com www.arts.uci.edu/israelbenz I'll try anything once, except incest and folk dancing. . . Sir Thomas Beecham

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RE: pd and Gem and multithreading
by Mark Danks 04 Oct '99

04 Oct '99

No. However, you can run two copies of pd...one which is only audio and one which has GEM. Use netsend/netreceive to connect to a socket on the box. This works fine and has been used in a performance already. Later, Mark ============================ = mdanks(a)stormfront.com = http://www.danks.org/mark ============================ > -----Original Message----- > From: Israelbenz(a)aol.com [mailto:Israelbenz@aol.com] > Sent: Sunday, October 03, 1999 1:05 AM > To: pd-list(a)iem.mhsg.ac.at > Subject: pd and Gem and multithreading > > > Are the activites of pd and Gem divided up in such a way that > they take > advantage of multi-processor systems? Just curious. >

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bug in route
by Guenter Geiger 04 Oct '99

04 Oct '99

If I click on the [1 2 3] message in the route reference patch, I don´t get anything out of the "route big apple" object. As I see it this is a bug in route, which can be solved by adding outlet_list(x->x_rejectout, 0, argc, argv); at the very end of the route_list () implementation in x_connective.c Guenter

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Re: Online Tcl/Tk resources
by Israelbenz＠aol.com 04 Oct '99

04 Oct '99

I must confess that when I learned about Tcl/Tk and found that it was an interpreted language, I was a bit surprised that it is used to any great extent for something like pd. I still think there must be a little more to the story. Because I'm a musician, not a computer scientist, I'd love to work only in C++ That may sound a little strange, but It seems more prudent to focus on developing good C++ chops, which are "generically" powerful and useful, rather than a hodgepodge of languages I only sort of have a handle on. On the other hand, since I started my programming straight off with C++, to pick up a little Java would be almost trivial, and Tcl/Tk appears (I just started today) to be quite easy and straight forward. I guess it's just a balancing act like everything. But I digress. As I learn more about Tcl/Tk, I'll have to evaluate which way I want to go with building a UI for pd (if anywhere). Given that I'm fairly familiar with what C++ can do, I'm certainly inclined to going that route, if only for my own personal version of pd. Since I'm just getting started with Tcl/Tk, and I don't have that much time to spend with it, what are some of the things it's really well suited for? I'd like to think I can use it for something. I think I understand the kind of things it'd be really bad for. Ironically it seems, at least superficially, that the ultimate goal of an app like pd would be poorly served by a language like Tcl/Tk. However, since I'm also fairly new to pd, I'm sure there's all kinds of stuff I don't know about. Sincerely, Benjamin Israel israelbenz(a)aol.com www.arts.uci.edu/israelbenz I'll try anything once, except incest and folk dancing. . . Sir Thomas Beecham

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Pd-list October 1999