Linux-audio-user December 2002

linux-audio-user@lists.linuxaudio.org

109 participants
111 discussions

[linux-audio-user] Quicktoot release number 10

by Patrick Shirkey

We are pleased to announce Quicktoot release number 10 http://www.djcj.org/LAU/quicktoots/ ---------------------------------- A first approach using Protux - Protux tootorial Written by Reinhard Amersberger. Protux-0.14.0 works in a different paradigm. Protux will allow you to utilize the power of keyboard+mouse combination (with no clicks) "Jog-Mouse-Board" or JMB, for short, to vastly speed up the process of audio production. You can use it for a simple Multi Track Project but development from Mustux, the Musician Tools Paradigm Projects, multicultural team is rapid so expect enhancements. ----------------------------------- The purpose of the Quicktoots are to provide a community resource of informative guides for using Linux audio applications. The Quicktoots are the brainchild of Dave Phillips the man responsible for the most comprehensive webpage devoted to Linux audio applications. The Linux Sound and Midi page. Your one stop resource for Linux sound software. http://linux-sound.org/ If you are in the position to link to any of the quicktoots please link to the main page. That way we can keep more accurate statistics on the amount of people viewing the pages. If you are interested in contributing to the Quicktoots please let us know. All work must be submitted to either Dave or myself and we will give advice or make changes to ensure our publishing standard is met. If you are not in a position to format any contributions don't worry because I am willing to format any braindumps. Enjoy. -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.djcj.org ======================================== "Um...symbol_get and symbol_put... They're kindof like does anyone remember like get_symbol and put_symbol I think we used to have..." - Rusty Russell in his talk on the module subsystem

23 years

[linux-audio-user] abcmidi question

by Peter Jay Salzman

from the documentation of abcmidi, i would think this would play a Dm7: X:1 T: testing M:4/4 L:1/4 Q:1/4=40 K:C "Dm7" but instead it gives absolute silence, and reports no errors. do i need to do anything special to enable guitar chords with abcmidi? at the very least, is there an alias scheme that i can use so i don't have to type [DFac] everytime i want a Dm7? pete -- First they ignore you, then they laugh at you, then they fight you, then you win. -- Gandhi Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D

23 years

[linux-audio-user] Turn-key Linux Audio

by Tim Mayberry

In case it is new to anyone....apart from me. http://lulu.esm.rochester.edu/kevine/turnkey/home.html There is a discussion about it on slashdot.

23 years

[linux-audio-user] Meterbridge 0.9.0

by Steve Harris

http://plugin.org.uk/meterbridge/ Changes * Greatly improved the readability of the VU meter * Made the VU meter conform the the AES analogue equivalent levels. This should make it more generally useful without adjustment and if you have properly calibrated DA converters and analogue equipment then the levels should agree. * Made the DPM meter look nicer and easier to read. * Cured a handful of segfaults (thanks to Melanie and Mark K.). * Reduced the maximum CPU usage of the UI. It should never have caused RT problems before, but it could have stolen cycles from other UI threads that needed them more. * Cleaned up and optimised the port insertion (input monitoring) code, its still hacky but cleaner and more reliable now. * Added a "set jack name" option, -n. * Will now make a meter for every non-flag argument, even if there is no port matching that name, so, eg. you can create an unconnected 4 channel meter with "meterbridge - - - -". * More reliable cleanup on exit. Before it goes to 1.0 I'd like some sort of documentation, and maybe to improve the input port monitoring situation. So don't hold your breath ;) If anyone wants to write anything for the docs I would be extremely greatful. I will look at any tricky things, like meter labelling, and antialiased needles after 1.0. - Steve

23 years

[linux-audio-user] GSG for home studio? (Newbie question)

by Chris

Hello everyone. I would like to make a small home studio. I haven't played in about 5 years, so I am a little rusty, and not "in" with the times. I was looking on-line for open source mutitracking software. I came across ecasound and ardour. Ecasound looks a little more difficult to use, so I will probably start with ardour. Before I get started, however, I need know a few things, as purchasing new hardware will be a must for me. I was hoping some of you could give me some advice, or let me know what your set up is. Vexing questions: 1) How important is a da-ad converter, and how much must one spend on this? 2) What does one look for in a soundcard. Is it necessary to invest $600 in one -- I mean, where is all that money really going? What makes a card like the hammerfall so great? How much on these cards is "fluff" and how much is really practical for just recording. 3) Do people actually use fiber for their lines? Or is this super-duper high end stuff? 4) I have spent some time on some sites of card manufacturers... and I can't quite piece together how multiple inputs work on the cards... is it a one for one deal (one input = one channel), or is their some software or hardware that allows for more than one channel per input? 5) how good is open-source software for effects processing... I saw something on the ardour site saying that it does not support "plugins"... (due to lack of a standard)... does that mean no effects? 6) What do you guys do for a drum machine solution, is software adequate or do you really recommend getting a drum machine? 7) Does everybody go direct on this, or do they mic their amps (I am primarily a guitar player). How do you keep the sound quality up if you are direct? 8) I want to build a **QUIET** machine... Any suggestions on computer hardware? (I have bought from quietpc, and found that some of the stuff was no quieter than normal --even louder some times). I am sorry to hit everyone at once with these questions (and I have more, belive me), but I can't find a good place on line or otherwise to give me the low-down on what it is needed. I would love to hear the setup others have and the plusses and minuses regarding them. I am accustomed to using cassette tape 4 tracks, and analog mixers and I am pretty familiar with linux and open source stuff (although I am not primarily a coder). I have a marshall jmp-1 preamp with a valvestate 8008, a RockTron intellifex, proq and guitar silencer (all rackmount) on top of a marshall jcm-900 lead-1960. I would be sad to see some of it go, but since I am not performing, I would be willing sell some off if there is better stuff for home recording. I would only need about 4 simultaneous inputs. Excluding the pc I must build, I would like to try to keep the price around $1000 (including the sound card). Is this realistic? I might spend more if I wind up selling some of my current equipment. I would appreciate any advice here. Thank you in advance! Chris

23 years

[linux-audio-user] jack+timidity+muse

by luis jure

hello friends, i have successfully built timidity (2.12.0), then jack (0.34.0), and finally muse --with-jack (0.6.0pre5). timidity works by itself, i can play midi files and it sounds. my intention is to use it as a software synthesizer for muse, so i launch it with the option -iA. but muse also requires jack to be running, so first i invoke jack like this: jackd -R -d alsa -d hw:0 and then i can run muse. the problem is that as soon as i have jack running timidity doesn't sound. all right, the real problem is that i never got to fully understand jack, so i have no idea how it works or how i can make things work together. as soon as i begin more confused than before so i give up. any charitable soul could give me a quick hint on how i should invoke timidity and/or jack so that i can use the combination of the two as a software midi device for muse? (i used to use it like this in the past, but that was without jack coming into play) thanks for any help. best, lj

23 years

[linux-audio-user] question about off-topic email

by Peter Jay Salzman

hi all, i know that music theory is off-topic for this list. generally, how tolerated are off-topics posts on this list? i've been experimenting with some new theory i've learned and wanted to know why something sounds terrible. if this list wants to be totally on-topic (which is understandable), can someone recommend a flame-free mailing list for people who want to ask questions about jazz theory? my teacher doesn't have an email address, and i'd like to get an answer before my next lesson. :) sorry for asking, but i'm very new to this list and don't know the group dynamic yet. pete -- Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D

23 years

[linux-audio-user] HDSP 9652 Users - Does MIDI work?

by Mark Knecht

Hi, If anyone is using this card and actually has tried to get MIDI working, could you please drop me a note and let me know if your results were positive or negative? I've been messing with this for a few days and it's just not happening for me. Thanks, Mark

23 years

[linux-audio-user] jack module player v0.1b

by janne halttunen

Hello all, here we go, another release of the hackish jack module player. What's it about? JMP is a MOD-player outputting each channel individually to jack. This is achieved using xmp module-player's channels soloing feature, and ecasound's multitracking abilities. New features in v0.1b -channel-naming: now you can see channels in jack with the names you assign to them in commandline -sticking channels together for better performance: maybe you don't need EVERY channel showing separately in jack -better error recovery: should leave no dead processes hanging around (NOTE: kills all xmp processes on exit, be careful! ecasound is left in peace..) -------------------- # ./jmp.py --help Jack Module Player v0.1b usage: jmp.py [options] module-file(s) jmp.py options: -b, --buffer set buffersize -r, --rate set sample rate -c, --channels override module's number of channels -N, --names name individual channels (or channels sticked) with comma separated list of names e.g. bassdrum,hihat,snare -S, --stick stick individual channels together with colon separated list of channel-numbers e.g. 0-3,5:6,7:8 (channel-numbering starts at 0) -l, --looping loop module -n, --noconnect don't connect jack-ports to alsa-playback -q, --quiet -v, --verbose NOTE! external programs required: Extended Module Player: http://xmp.sourceforge.net/ Ecasound: http://eca.cx/ # ./jmp.py /home/janne/biisit/wik.xm --names bassdrum,hihat,hihat,snare -c 4 ... # jack_lsp alsa_pcm:capture_1 alsa_pcm:capture_2 alsa_pcm:playback_1 alsa_pcm:playback_2 ecasound:bassdrum_1 ecasound:hihat_2 ecasound:hihat_3 ecasound:snare_4 ------------------- Get it from http://www.pp.htv.fi/jhalttun/jmp.py ..still coding when should be making music :) janne

23 years

[linux-audio-user] emu10k1 no 64:0 input port

by Stefan Ulbrich

hi, i want to connect my keyboard to my pc (sb Live!) in oder to use it as a softwaresynthy. i've read aconnect 64:0 65:0 should do this ... but: stef: ~ $ aconnect -lio client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' Connecting To: 63:0 client 65: 'Emu10k1 WaveTable' [type=kernel] 0 'Emu10k1 Port 0 ' 1 'Emu10k1 Port 1 ' 2 'Emu10k1 Port 2 ' 3 'Emu10k1 Port 3 ' i can't find this port 64:0. here is my the alsa passage of my modules.conf: # ALSA portion alias char-major-116 snd alias snd-card-0 snd-emu10k1 # module options should go here # OSS/Free portion alias char-major-14 soundcore alias sound-slot-0 snd-card-0 # card #1 alias sound-service-0-0 snd-mixer-oss alias sound-service-0-1 snd-seq-oss alias sound-service-0-3 snd-pcm-oss alias sound-service-0-8 snd-seq-oss alias sound-service-0-12 snd-pcm-oss #my own settings alias midi snd-synth-emu10k1 alias snd-synth-midi snd-seq-emu10k1 alias snd-seq-midi snd-seq-emu10k1 (i tried it also without the "alias midi snd-synth-emu10k1" line) i compiled alsa with ./configure --with-cards=emu10k1 --with-sequencer=yes;make; make install i use debian sid. what am i doing wrong? with muse i can use the /dev/snd/midiC0D0 for recording thank you stefan

23 years

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Linux-audio-user December 2002