Linux-audio-user January 2003

linux-audio-user@lists.linuxaudio.org

119 participants
142 discussions

[linux-audio-user] [ANN] amSynth 1.0 rc2

by nick

amSynth - Analogue Modelling SYNTHesizer **************************************** amSynth 1.0-rc2, code-named "jack", is now available!! Get the source code at http://amsynthe.sourceforge.net/amSynth Changes in this release: * you've been waiting for it -- JACK audio output support!! * completely revised ./configure & build system - will adapt features to libraries installed, proper 'make install' target... * launch a virtual keyboard from the amSynth menu! * transparent per-user installation for first time users * build fixes galore, now compiles fine on latest GCC versions Enjoy! (and any problems with it please get in touch, details on website) -Nick d-.-b __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

21 years, 10 months

[linux-audio-user] New relase of the opensource synth (ZynAddSubFX 1.0.5)

by Nasca Paul

ZynAddSubFX is a open-source software synthesizer for Linux. It is available at : http://zynaddsubfx.sourceforge.net or http://sourceforge.net/projects/zynaddsubfx Please send me instruments done by you with zynaddsubfx. news: 1.0.5 -The bug that crashed ZynAddSubFX if you change some effect parameters, it is really removed (I forgot to update the file before upload) - Other bugfixes and code clean-ups - Added a Global Filter to SubSynth - Added keyresponse limits to Part - Added presets to Effects - The fade is smaller on high frequecy content and larger on low frequecies; so you'll don't hear starting clicks on basses and audible fadeins on higher pitched sounds - Added tunnings to Reverb: you can choose Random of Freeverb. Freeverb is written by Jezar at Dreampoint; I used the tunings from it. __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com

21 years, 10 months

Re: [linux-audio-user] Just how bad is USB audio?

by Patrick Shirkey

On 1/25/2003 - 18:09:59, Dan Armak said: > > CPU utilization is the main problem. >From my experience it is not actually the main problem. Rather it is conflicts with the vga device interrupts which cause sound problems. Saying that, I have successfully recorded 4 channels over nfs through my usb device with arecord as normal user. That's about as interrupt intensive as I have found so far. I have also had it going at 64 bytes/period and had no dropouts AFAICR. If you want a reasonably priced option then a usb device should see you right. If you want to buy a cheap one then send me the cash and I'll post it to you. Warranty is still valid, just that you will have to post it back to me first. (Takes about 3-4 days). -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.djcj.org - The Linux Audio Users guide ======================================== Being on stage with the band in front of crowds shouting, "Get off! No! We want normal music!", I think that was more like acting than anything I've ever done. Goldie, 8 Nov, 2002 The Scotsman --

21 years, 10 months

[linux-audio-user] Just how bad is USB audio?

by Dan Armak

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I'm considering buying a USB sound card for my laptop. (I have no desktop box worth talking about atm.) Everyone says a USB card is a Bad Thing, but I've found few numerical measures, and I don't have much of a choice anyway (unless someone releases a firewire card, or a pcmcica one under $1000)... If someone can point me to some more concrete data, it would help me make my choice. (Which is basically to buy or to suffer crappy sound, as I see no real alternative...) CPU utilization is the main problem. I probably wouldn't count as a hardcore gamer, since I have a p3-900 with 256mb ram and it's enough to run all the games I need (mostly ps1 emulations, but some sims/fpss too). So what performance hit should I expect from using a usb audio device? The only review on the net that actually mentioned numbers was one of the Extigy on Tom's H/w Giude, and it said 20% cpu of a p4-2Ghz, but that was using 6 or 8 channels with special effects requested by something on the order of UT2003, which is out of my league anyway. I don't have or plan to have any other high-bandwith devices on my usb (1.1) bus, just a keyboard/mouse/joystick. Also I only have 2 speakers atm, so I'll only be streaming two channels. Therefore bandwith shouldn't be a problem as I understand it. OTOH I'd want to do some none-cpu-intensive work (writing, reading) while listening to mp3s and copmpiling stuff in the backgruond. I would probably accept some slowdown in the compiling, as long as the audio didn't skip and responsiveness wasn't affected (I already use a kernel with all the low latency/preempt/O1 scheduler etc. patches and have a prelinked system because I really hate responsiveness issues)... Finally as to the card itself: AFAICS there are the costly ones (Extigy and Audiotrak Maya 5.1 usb), which have lots and lts of features most of which I don't really need, and some cheap ones like the iMic or Xitel Hi-Fi-Link which only have stereo rca input/output. The latter type is much closer to what I'd be using of all those features, but unfortunately I cannot find them in any shops here in Israel, and if I order over the internet I'll have to pay for shipping and won't have warranty coverage. So I'd be willing to pay for the maya card if I cuold be sure I'll be using it well, preferrably also when I build my next desktop system in a year from now. Any recommendations, info etc. will be most welcome :-) - -- Dan Armak Matan, Israel Public GPG key: http://www.gentoo.org/~danarmak/danarmak-gpg-public.key -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE+MphWUI2RQ41fiVERAsISAJ9Xxgimu2DETubVEdQ5faUUqjQTOACfWd+E jT5Lw1WKA2aBteKTHPmn7Tg= =wUPc -----END PGP SIGNATURE-----

21 years, 10 months

[linux-audio-user] MTC synchronized recording - possible?

by Olivier

Hi all, I have 2 MTC synchronized 4tracks that have 8 tracks together (mono). I would like to transfer all of the tracks to my computer so I can play around with some effects. I only have 1 input on my soundcard, so I was wondering if I could record one track at a time using MTC. This way all tracks would still be synchronous after transferring, because they are all recorded with the same MTC master. Is there a program available that can do this with Linux? Is this anyway a viable idea? regards, Olivier

21 years, 10 months

[linux-audio-user] Re: [linux-audio-dev] sooperlooper goes PD

by Steve Harris

>It might be nice if this sort of functionality melded into ssm, where >you could see the loop displayed around the circle... There would be a >visual cue then for when the loop was about to repeat, which can be hard >to find when the loop is > 10s long... Yes, this is like dream land. I've been thinking of a way of squeezing enough spiral loops type displays onto a screen so that I can watch 4+ loops at once. You either make them side by side, and they all have to be small or make them coaxial, but then one is small and one is huge. Spiral Loops is just the most natural way to work with synced loops. - Steve

21 years, 10 months

[linux-audio-user] Control|24

by Linux Rob

Hey! I have a load of questions and I hope it's not too much trouble to get them answered. Does Ardour or any Linux program support Digidesigns Control|24? If not, how would it get support? What control surfaces are supported? I know a mackie controller is supported... Also, can Ardour recieve 96Khz from the HDSP 9652? What's the status with the HDSP 9652 driver? Where can I check the status of the HDSP 9652 driver? thanks... rob

21 years, 10 months

[linux-audio-user] Soundless ALSA Newbie

by Sakari Aaltonen

I have been trying to get ALSA (0.9.0rc5) working with an on-board ALC650 chip, ALSA because that is what the chip's manufacturer, Realtek, offers on their website. (I assume that this means that the sound code in kernel 2.4.20 won't work with the chip.) I compiled everything and made 'insmod' with 'snd' and 'snd-via82xx', with no error messages that I could see (a lot of other modules were loaded automatically.) I also ran the make-dev's script. Yet, no sound. So I looked at Sound-HOWTO's. They stress the importance of seeing kernel messages about sound. Well, I don't see any. Then, because ALSA apparently mutes everything by default, I tried compiling two mixers from the ALSA site. No success, because I was missing some libraries. Also, I was pretty confused about what version of ALSA they were supposed to work with. Of course, I can start looking for those libraries, but while I do that, could some kind soul please explain how I can find out whether my actual sound setup is likely to work at all? Or would anyone know of a mixer program that would not need libraries that I will not have? If it matters - my sound sources are DVD and TV... Thank you, Sakari Aaltonen

21 years, 10 months

[linux-audio-user] Recording from an SBLive's LiveDrive input in Ardour

by JW

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, (I hope it's ok to post messages like this to this list? If not, please steer me in the right direction...) I'm using Ardour on SuSE 8.1 (the version that comes with SuSE, not CVS). I have a Creatoive SoundBlaster Platinum, with the original edition of the LiveDrive (No IR). Using alsa 0.9.x that also came with SuSE. Inside Ardour, I can record from the sound card's microphone just fine. By setting "Capture" to the line-in (on the PCI card) with alsamixer, I can then record from the PCI card's line-in just fine, without changing any settings in Ardour. I might point out that I am using headphones connected to the LiveDrive, and not using external speakers at all. So, I thought I could just set LiveDrive-Line-In to "Capture" in alsamixer and get going. When I do that, I can hear my guitar in my headphones just fine, just like I can with the line-in or mic-in. However, no sound gets recorded. I am not sure what this means. Ardour/Jack has to be listening to alsa somehow, or I wouldn't be able to shift between mic-in and line-in with alsamixer. Why, then, does moving alsamixer over to the LiveDrive's line-in produce silence in ardor? Remember, it's not sielent in the system, as I can hear it in through headphones. It's just that Ardour doens't record it. Any ideas? Does anyone out there use a LiveDrive with ardour? Thanks! JW - - -- - - ---------------------------------------------------- Jonathan Wilson Cedar Creek Software http://www.cedarcreeksoftware.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE+MIZDQ5u80xXOLBcRAjwkAKCMf9SnuDyG9ePJKHoroX5DEBZsTACdEyT9 QefQohXNIm7NixDSPIlQeq0= =l6jz -----END PGP SIGNATURE-----

21 years, 10 months

Re: [Fwd: Re: [linux-audio-user] i'm a graphic designer - use me! ;-)]

by iriXx

>>NI Spektral Delay (never entirely sure what its going to do, but its got a >>lovely interface - oh please please someone code something like this for >>GNU/Linux! ;-) > > > It's called freqtweak and it rules. http://freqtweak.sourceforge.net/ > > - Steve oh yes indeedy!!!! my prayers have been answered :o).... thanx! m~ -- iriXx www.iriXx.org copyleft: creativity, technology and freedom? info(a)copyleftmedia.org.uk www.copyleftmedia.org.uk _ ( ) ascii ribbon against html email X / \ cat /dev/sda1 > /dev/dsp *** stopping make sense ***

21 years, 10 months

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Linux-audio-user January 2003