Linux-audio-user December 2008

linux-audio-user@lists.linuxaudio.org

144 participants
133 discussions

Fwd: circular ugen connections in supercollider

by Justin Smith

oops, meant to send this to the list ---------- Forwarded message ---------- From: Justin Smith <noisesmith(a)gmail.com> Date: Sun, Dec 21, 2008 at 1:08 PM Subject: Re: [LAU] circular ugen connections in supercollider To: andy baxter <andy(a)earthsong.free-online.co.uk> What you want is most likely a very short delay line from the second unit with a reader of that line at the input of the first. I am fairly certain that the delay has to be at least one audio chunk in length (even if sc lets you specify a shorter delay, it cannot do a shorter delay without infinite recursion issues). On Sun, Dec 21, 2008 at 10:50 AM, andy baxter <andy(a)earthsong.free-online.co.uk> wrote: > Does anyone know how to make circular ugen connections in supercollider? > > I.e. I have two chains of UGens (simple string models), which each take > two inputs, an impulse and (roughly) a frequency. I want a fraction of > the output of the first to go into the impulse of the second, and the > same the other way round, so they both affect each other. Then the idea > is to apply an extra impulse to one 'string' and see if the other one > resonates with it. > > I can do it with the two arranged in a chain, which is nearly what I > want, but I really want a loop so I can choose to apply the impulse to > either string. My code so far looks like this: > > ( > { > var imp=EnvGen.ar(Env.triangle(0.01,1)); > var sprGen,s1,s2; > sprGen={arg impulse,konst; > var harmPower=1; > var nh=20; > var spr; > spr=Array.fill(nh,{ arg ind; var hAmp; > ind.postln; > hAmp=1/((ind+1)**harmPower); > hAmp.postln; > hAmp*Spring.ar(impulse,konst*(ind+1),0.0001); > }); > Mix.new(spr); > }; > s1=sprGen.value(imp,50); > s2=sprGen.value(s1/10,150); > > Mix.new([s1,s2]); > }.play; > ); > > > Thanks for any help with this - hope it's not too much of an esoteric > question. > > andy > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user >

16 years, 3 months

using external sound module to record in Ardour

by Grammostola Rosea

I want to use my external sound module to record in Ardour, using a midi sequencer or playing with my midi keyboard. Is it possible? How should I do the jack connections? \r

16 years, 3 months

circular ugen connections in supercollider

by andy baxter

Does anyone know how to make circular ugen connections in supercollider? I.e. I have two chains of UGens (simple string models), which each take two inputs, an impulse and (roughly) a frequency. I want a fraction of the output of the first to go into the impulse of the second, and the same the other way round, so they both affect each other. Then the idea is to apply an extra impulse to one 'string' and see if the other one resonates with it. I can do it with the two arranged in a chain, which is nearly what I want, but I really want a loop so I can choose to apply the impulse to either string. My code so far looks like this: ( { var imp=EnvGen.ar(Env.triangle(0.01,1)); var sprGen,s1,s2; sprGen={arg impulse,konst; var harmPower=1; var nh=20; var spr; spr=Array.fill(nh,{ arg ind; var hAmp; ind.postln; hAmp=1/((ind+1)**harmPower); hAmp.postln; hAmp*Spring.ar(impulse,konst*(ind+1),0.0001); }); Mix.new(spr); }; s1=sprGen.value(imp,50); s2=sprGen.value(s1/10,150); Mix.new([s1,s2]); }.play; ); Thanks for any help with this - hope it's not too much of an esoteric question. andy

16 years, 3 months

Re: [LAU] Echo Layla 3G...

by Cemal GAZALCI

When you think everything is ok, but you get the handshake timeout "error -5", please check once again if the box is connected to the card. Cemal izlem Gozukeles wrote: > > Brad Fuller <bradallenfuller@...> writes: > > >> > >> > On Wed, Nov 5, 2008 at 5:17 PM, Preston C. <gprestonc@...> wrote: >> >>> > > I am eventually going to get a new computer and was wondering if >>> this >>> > > was a good sound card? Is there a better sound card around the same >>> > > price or less? Any help is much appreciated. >>> >> > >> > I have the Echo 3G and it has worked well. I've only recorded/played >> > back 4 channels simul - I haven't done anything fancy. But, it seems >> > to work as advertised. I haven't tested their advertised specs. >> > >> > We also have Echo 3G, but it didn't work. We have error: > [ 1326.803139] firmware: requesting ea/echo3g_dsp.fw > [ 1326.825403] firmware: requesting ea/3g_asic.fw > [ 1327.995014] wait_handshake(): Timeout waiting for DSP > [ 1328.017190] wait_handshake(): Timeout waiting for DSP > [ 1328.033190] ACPI: PCI interrupt for device 0000:05:09.0 disabled > [ 1328.033190] Echoaudio Echo3G: probe of 0000:05:09.0 failed with error > -5 > > > What is your GNU/Linux distribution? > Kernel version? > Alsa version? > Are there any tricks for install? > > Thanks > > > > > > begin:vcard > fn;quoted-printable:ibrahim izlem G=C3=96Z=C3=9CKELE=C5=9E > n;quoted-printable:G=C3=96Z=C3=9CKELE=C5=9E;ibrahim izlem > version:2.1 > end:vcard > > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user > > -- View this message in context: http://www.nabble.com/Echo-Layla-3G...-tp20353474p21088214.html Sent from the linux-audio-user mailing list archive at Nabble.com.

16 years, 3 months

LAC2009: Holiday time = Paper time!

by Frank Neumann

Hi, this mail is a short reminder that the LAC2009(1) Call for Papers is currently active and awaiting your papers at (2). The paper submission period ends on Thursday, January 15, 2009, 24:00 UTC so use the (hopefully) free time of the Christmas holidays to get your paper into shape and upload it in time! Hope to see you there, Frank, on behalf of the LAC2009 organization team (1) The LAC (Linux Audio Conference) is an annual event where developers, users and composers from all around the world come together for 4 days to present current developments, new compositions and other news to the public, listen to concerts, and generally have a good time together. The LAC2009 is taking place at the Casa della Musica in Parma, Italy, from April 16th to 19th, 2009. The conference homepage is at http://lac.linuxaudio.org/2009/. (2) Paper submission information: http://lac.linuxaudio.org/2009/call-for-papers/ Paper submission upload form: http://lac.linuxaudio.org/2009/openconf/openconf.php

16 years, 3 months

mac-mini size-alike pc for linux?

by sh0099

hey i used a mac mini ... with a 1,83 GHz Intel Core 2 Duo. the good thing about this computer is the size and that the computer is silent (i mean the fan). is there pc on the market with a similar size and which is similar silent? maybe already linux tested? thanks olaf

16 years, 3 months

embedded devices for audio

by Josh Lawrence

hi everyone! I'm *very* out of my league here, but I'm curious... I've been looking around at busybox, uClibc et al, and was wondering if anyone has tried to build an "embedded" device that supports some Linux audio software. For example, imagine taking a cheap/old pc, equipping it with jack and a synthesizer of some sort (dssi?), and taking it on a gig. It would need to be an "instant on/instant off" device. I think this sort of project would be fun and would also be a great use of old hardware, not to mention a real benefit for people who gig regularly and need the random synth (and don't want to spend the $ on hardware). Of course, not being a programmer, there might be some major obvious reason as to why it won't work that I'm not aware of. What do you all think? Is this idea worth looking into? -- Josh Lawrence http://www.hardbop200.com

16 years, 3 months

A little outside my comfort zone.

by Folderol

After much prodding from {ahem} friends, I've finally recorded my own voice on a song of mine. I originally composed it for a competition in September, bottled it and got someone else to sing. He did a good job and came up with some original ideas, but it still wasn't quite 'my' song, so I persevered and here is the result. http://www.musically.me.uk/music/Where_Have_The_Rainbows_Gone.ogg or http://www.musically.me.uk/music/Where_Have_The_Rainbows_Gone.mp3 -- Will J Godfrey http://www.musically.me.uk

16 years, 3 months

Music made with linux

by Atte André Jensen

Hi I placed a new track "Stille hvisken" ("Quiet whisper") here: http://modlys.dk/mp3/stille_hvisken.mp3 -- Atte http://atte.dk http://modlys.dk

16 years, 3 months

Re: [LAU] embedded devices for audio

by Brad Fuller

On Thu, Dec 18, 2008 at 10:38 AM, Patrick Shirkey <pshirkey(a)boosthardware.com> wrote: > On 6:18:06 pm 12/18/08 "Nathanael Anderson" <wirelessdreamer(a)gmail.com> > > At the moment I just want to get Android up and running so I can tweak it > from there. A it can now also be installed on the iphone (at least in > console mode) it has the potential to make a great future proofed platform. I'm wondering why you want to use Android. It isn't the complete Linux platform. What I mean is that while it includes the Linux kernel, it doesn't include glibc (for instance). Why not just use the complete gnu toolchain for arm? That would seem to be your better choice. So, you must have some other goal? -- Brad Fuller

16 years, 3 months

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Linux-audio-user December 2008