On Sun, Mar 15, 2009 at 3:55 PM,
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Today's Topics:
1. Re: Unified Library was Re: Call for GSoC mentors! March 9th
deadline! (hard off)
2. Re: change samplerate locally (hard off)
3. Re: steep filter? (hard off)
4. Re: steep filter? (Jo?o Pais)
5. Re: steep filter? (hard off)
6. Re: change samplerate locally (hard off)
7. Re: change samplerate locally (Martin Peach)
8. Re: The PdCon09 webpage is down ... am I too late?
(IOhannes m zm?lnig)
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Message: 1
Date: Mon, 16 Mar 2009 02:00:26 +0900
From: hard off <hard.off@gmail.com>
Subject: Re: [PD] Unified Library was Re: Call for GSoC mentors! March
9th deadline!
To: Hans-Christoph Steiner <hans@eds.org>
Cc: danomatika <danomatika@gmail.com>, "pd-list@iem.at"
<pd-list@iem.at>, Kyle Klipowicz <kyleklip@gmail.com>
Message-ID:
<161320dd0903151000n626f6134h19ea91c5757a76a0@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
>>But I think that we don't really know well enough how to do the whole
thing right<<
i have good experience in doing a library wrong. :) i can at least point
out the flaws in that so they don't get repeated.
none of the libraries are very good general all-purpose toolkits though, in
my opinion. i guess that's mainly because none of them have really been
designed as general toolkits. there is heaps of good stuff in rjdj, but
it's all for the phone, which has no pd GUI component. netpd on the other
hand, everything has a gui, and it's all designed to work well as a part of
the netpd system. but it's a little bit tricky to then use the netpd
patches outside of netpd. not really spent too much time with pdmtl, but
that just seems like more of a collection of patches than an actual library.
s-abstractions and the diy library i did both fall down a bit for me because
they tie the functionality of the patches in too much with the gui and state
saving.
i think what hans is talking about and what we are discussing might be
completely different things though. i think hans is talking about a truly
unified library to join together all the different pieces in pd-extended and
put them all together in a logical and user-friendly manner. which would be
a pretty massive project, i admit.
i think though, what we're talking about here is more just like a collection
of tools to build synths, sequencers, effects, samplers, recorders,
soundfile players, etc etc etc. most of the libraries already mentioned are
doing that. but the problem is that there are no unified conventions for
patching, naming, licencing, etc. and it would be nice to have all the best
and most useful bits of each library in one place, all working together, and
all very simply and easily ported into other pd projects.
i think it's well within our reach to do that at the moment.
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Message: 2
Date: Mon, 16 Mar 2009 02:33:50 +0900
From: hard off <hard.off@gmail.com>
Subject: Re: [PD] change samplerate locally
To: Martin Peach <martin.peach@sympatico.ca>
Cc: Pd List <pd-list@iem.at>
Message-ID:
<161320dd0903151033j7d543672yfb3521e6b466789@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
hi martin, thanks for taking the time to reply.
i can set pd to whatever samplerate i want in media->audio settings. i just
checked again going through a whole bunch of values between 22050 and 44100
and they all work.
my problem is that the samplerate is global, and i need it only to be
local. i think the 'solution' i suggested in my 2nd post is going to be the
way to do it, but i just don't know how to do that.
[*~ 2048]
> |
> [expr~ $v1%2048]
> |
> [/~ 2048]
>
thanks. that's what i had done originally, but i couldn't hear any effect.
i guess if i really want 12-bit sound in pd, i'd have to use that construct
after each and every calculation in the signal chain. seems a fair bit of
overkill just to make the sound WORSE though!
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Message: 3
Date: Mon, 16 Mar 2009 02:37:58 +0900
From: hard off <hard.off@gmail.com>
Subject: Re: [PD] steep filter?
To: Jo?o Pais <jmmmpais@googlemail.com>
Cc: PD-List <pd-list@iem.at>
Message-ID:
<161320dd0903151037u6caa3f54p3ac85c7f5546d303@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
it's not possible to filter without ANY roll-off as far as i know.
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Message: 4
Date: Sun, 15 Mar 2009 17:57:52 -0000
From: Jo?o Pais <jmmmpais@googlemail.com>
Subject: Re: [PD] steep filter?
To: "hard off" <hard.off@gmail.com>
Cc: PD-List <pd-list@iem.at>
Message-ID: <op.uquhiqcxvpc3oo@jmmmp-thinkpad>
Content-Type: text/plain; format=flowed; delsp=yes;
charset=iso-8859-15
and close to that? just like the spectral trim in audition or something
similar.
> it's not possible to filter without ANY roll-off as far as i know.
--
Friedenstr. 58
10249 Berlin (Deutschland)
Tel +49 30 42020091 | Mob +49 162 6843570
jmmmpais@googlemail.com | skype: jmmmpjmmmp
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Message: 5
Date: Mon, 16 Mar 2009 03:02:49 +0900
From: hard off <hard.off@gmail.com>
Subject: Re: [PD] steep filter?
To: Jo?o Pais <jmmmpais@googlemail.com>
Cc: PD-List <pd-list@iem.at>
Message-ID:
<161320dd0903151102s1346f4d2kdfb0f94593ea8e28@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
chebychev filters look good, elliptic ones look better:
http://en.wikipedia.org/wiki/File:Electronic_linear_filters.svg
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Message: 6
Date: Mon, 16 Mar 2009 03:26:44 +0900
From: hard off <hard.off@gmail.com>
Subject: Re: [PD] change samplerate locally
To: Martin Peach <martin.peach@sympatico.ca>
Cc: Pd List <pd-list@iem.at>
Message-ID:
<161320dd0903151126y2432df25s537be23a042564f4@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
actually, i just checked and that method i suggested before doesn't work at
all. it's the same as the [phasor~ 28000] - [samphold~] effect.
martin, i missed this part of your mail before:
>>Unless you're looking for aliasing artifacts, wouldn't it be easier to use
a multi-pole low-pass filter at around 14kHz?<<
i just tried that, and i guess what i need must be the aliasing artifacts.
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Message: 7
Date: Sun, 15 Mar 2009 14:31:51 -0400
From: Martin Peach <martin.peach@sympatico.ca>
Subject: Re: [PD] change samplerate locally
To: hard off <hard.off@gmail.com>
Cc: Pd List <pd-list@iem.at>
Message-ID: <BLU0-SMTP3610F942F55AE14A9282E9ED9A0@phx.gbl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
hard off wrote:
> hi martin, thanks for taking the time to reply.
>
> i can set pd to whatever samplerate i want in media->audio settings. i
> just checked again going through a whole bunch of values between 22050
> and 44100 and they all work.
Yes you're right. I should have checked first ;)
Maybe writing into a table at 44100 and using [tabread4~] with a signal
that is quantized to the ratio of sample rates would work?
>
> my problem is that the samplerate is global, and i need it only to be
> local. i think the 'solution' i suggested in my 2nd post is going to be
> the way to do it, but i just don't know how to do that.
>
>
> [*~ 2048]
> |
> [expr~ $v1%2048]
> |
> [/~ 2048]
>
>
> thanks. that's what i had done originally, but i couldn't hear any
> effect. i guess if i really want 12-bit sound in pd, i'd have to use
> that construct after each and every calculation in the signal chain.
> seems a fair bit of overkill just to make the sound WORSE though!
>
>
Well 12-bit sound is pretty good, as good as audio cassette with no
dolby. You should try replacing 2048 with 128 or less to hear true lo-fi.
Martin
------------------------------
Message: 8
Date: Sun, 15 Mar 2009 19:58:12 +0100
From: IOhannes m zm?lnig <zmoelnig@iem.at>
Subject: Re: [PD] The PdCon09 webpage is down ... am I too late?
To: danomatika <danomatika@gmail.com>
Cc: "pd-list@iem.at" <pd-list@iem.at>
Message-ID: <49BD4FC4.9070103@iem.at>
Content-Type: text/plain; charset=UTF-8
danomatika wrote:
> Does the PdCon 09 page work for anyone?
>
> Naturally, I forgot to apply and realized it is due today and now the
> page is down ... :(
try these instead:
paper submit page:
http://pdcon09.devolts.org/author/submit.php
paper upload page (once you have submitted it):
http://pdcon09.devolts.org/author/upload.php
cheers
fgmadsr
IOhannes
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