Linux-audio-user May 2003

linux-audio-user@lists.linuxaudio.org

101 participants
106 discussions

by Emiliano Grilli

I think this could be of interest... I've been recently contacted by a visitor of my site that asked me if timidity can render into wav single channels/tracks of a midifile instead of the whole midifile. I know that timidity can't do this and then pointed him (his name is Pasquale Fersini) to the MIDI::Perl module site. Then he contacted the author (Sean M. Burke) and they write a simple utility for splitting midifiles into separate midifiles based on tracks/channel information. For those who are programmers this can be a simple thing, but for those (like me) that are using Linux as users, I think it's a very handy utility. Here you can find the script: http://members.spinn.net/~sburke/midi_splitter.pl and here the announce on the MIDI::Perl ML: http://archive.develooper.com/midi@perl.org/msg00205.html HTH -- .-----------------------. | Emiliano Grilli | | emillo(a)libero.it | | Linux user #209089 | | http://www.emillo.net | '-----------------------'

21 years, 11 months

Re: [linux-audio-user] newbie q: making a machine

by Jonathan Segel

i own RME hardware, so that's a plus! i was thinking about building a new machine that would be dedicated to being an audio maker. the mac running ydl is a 9600, but it has a digi AMiii card which i'm sure is useless to anything else but digi. (got the machine to run os x w/ digi's coreaudio though...) and yes, i'm a professional musician. i've been tryign to sneak max/msp and supercollider into the pop world for a while now. and now supercollider server is being developed, there are already working linux ports of the synth server side (so i'm told) but not the language side.. > >Jonathan Segel wrote: >> hi, i'm a recent linux user, coming from mac universe. i started by >> putting YDL on one of my old macs last summer, but now i'm gonna get >> serious. >> so my question is: what parts would you recommend for making a Linux box >> to run audio on? i realize this is a big field, but any clues are helpful. >> also, i'm probably going to use redhat, given that my ydl exprerience is >> based on redhat. any precautionary measures? >> >> thanks all > >Redhat is an ecellent choice esp if you get into the planet ccrma catalog. > >The question of hardware really depends on what your intentions are. I >assume professional from your email footer. > >Multitracks cards are basically RME or maudio delta 1010. There are >others choices but they don't get as much of a working so the drivers >may not be as well designed as they could be. > >Will you be building a new PC or using your mac? -- _________________________________________________________________ Jonathan Segel -- MAGNETIC -- PO Box 460816 S.F. CA. 94146-0816 4014 Brookdale Ave. Oakland, CA 94619 jsegel(a)magneticmotorworks.com <-----> magsatellite(a)yahoo.com http://www.MagneticMotorworks.com tel (510) 534 7825 cell (510) 484 7415 fax (425) 955 4495

21 years, 11 months

[linux-audio-user] Notation to freqs/Rosegarden

by Juhana Sadeharju

Hello. How to convert the notes in http://www.funet.fi/~kouhia/arabicscales.png to keyboard's keys, MIDI values, and frequencies? In Rosegarden, I tried to type the notes in, but Rosegarden accepted only two first notes and then did not accept further notes. Rosegarden had no that overtone symbol seen in the image. It would be great if one could type whatever he sees, and only afterwards Rosegarden would let user know if the notation makes sense. By the way, I tested Mounted by the Gods (www.mountedbythegods.com) loops ftp://ftp.funet.fi/pub/culture/music/western/Yello/mountedbythegods.tar.bz2 (or http) in Rosegarden: (1) How to set the tempo? Is it 120 with those loops? Setting tempo based on the loop length did not work; tempo went to 60 instead of 120 in some random manner -- a bug? (2) Does MIDI and JACK delays affect the syncronization between the loops? Now the mix sounds a bit out of sync and maybe is skipping. Hmmm.. a deng loop fills entirely the space but claps loop does not (or otherway; try drum loops as well). What happens is that the claps loop pauses for a while when I arrange many of them to a row. Can you figure out if this is exactly what is intended? I'm in a believ that I should not time-scale any of those loops. It could be that the deng and the claps loops are all ok, but what I hear skipping is the Rosegarden audio engine. Is it as good as possible? Best regards, Juhana

21 years, 11 months

Re: [linux-audio-user] Notation to freqs/Rosegarden

by Manuel Op de Coul

>There are a lot of requirements associated >with entering and playing (correctly) non-traditional-Western >notations, and while these are all desirable post-1.0 features, >they mostly will not be in 1.0. Right, that's why it will be hard to add microtonal support as an afterthought instead of designing it in from the beginning. Anyway if the number of pitch classes you need doesn't exceed 128, it's possible to edit the score with Rosegarden or another sequencer and translate the MIDI file to a microtuned one with Scala. You need to remember which note number maps to which pitch because the score won't look the way it sounds. >To play them with a normal MIDI instrument requires a pitch-bend >controller event. Or a MIDI Tuning event. In Scala you have the choice between pitch bends and MIDI Tuning Standard messages when translating a MIDI file. Then you can render it with Timidity for example. Unfortunately Timidity doesn't support the MTS, but for example Audio Compositor on the Windows platform does (free demo). Fetch Scala at http://www.xs4all.nl/~huygensf/scala It can also do realtime MIDI relaying with pitch bend tuning. Manuel

21 years, 11 months

[linux-audio-user] OT: China internet operator jailed

by Daniel James

Follwing up the earlier discussion about Linux audio hardware made in China, here's a news story I saw today. Apparently in China you can get five years in jail for running a website: http://news.bbc.co.uk/1/hi/world/asia-pacific/3039041.stm So we're unlikely to find out the truth about working conditions in Chinese factories, on the web at least. For the record, although I managed to buy a UK made mixer for my studio, when I unwrapped my M Audio Delta 1010 I think there was a 'made in China' sticker on it. I also bought a Behringer mic recently, and mentioned these issues to the music shop owner. He'd previously worked for a company where construction had been moved to the Phillipines, and had witnessed the effects first hand. But since everything except the very high-end stuff is now made this way, what can he sell in his shop otherwise? Cheers Daniel

21 years, 11 months

[linux-audio-user] Disk sampler?

by Juhana Sadeharju

Hello. Does the linuxsampler.sourceforge.net really work as a full-blown sampler? What else I need for using it? >From: Paul Winkler <pw_lists(a)slinkp.com> > >As for writing a sampler in csound: [ ... ] and it can use the diskin >opcode to play sounds directly from disk. However, the latter isn't very >responsive in realtime IIRC, so for good playback you need to use >the in-memory approach, which means you're limited by your physical RAM. Just add the low-delay trick to the diskin opcode. The trick is dated at least down in 1995 (patent is 1997). By the way, what Csound I should use? Unofficial linux Csound does not work with Hankelson's instruments, and official Csound has no ./configure for easy install. Is PD or similar better supported? Has anyone orc-to-pd converter so that I may use Hankelson's instruments in PD? I must repeat what others have said: we need good examples and demos. I tried to check good Csound demos but no such thing available. Examples were from dull to the worst kind of monotonous tones. Juhana

21 years, 11 months

[linux-audio-user] getting fluidsynth to read from ALSA seq

by Adrian Prantl

Hello! Today I tried to use fluidsynth as a software synthesizer to Rosegarden4. I followed the tutorial at http://linux-sound.org/quick-toots/4-sequencers_and_softsynths/quick-toot-m… . But when I try something like > fluidsynth -m alsa_seq -a alsa -o "midi.alsa_seq.device=VirMIDI 2-1" midi/gs.sf2 fluidsynth reports: > ALSA lib seq.c:181:(snd_seq_open_noupdate) Unknown SEQ VirMIDI 2-1 So my question: What is the correct name for ALSA sequencer port 81:0? thanks, adrian adrian@vicviper:~$ aconnect -i client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' client 64: 'Rawmidi 0 - MPU-401 (UART) 0-0' [type=kernel] 0 'MPU-401 (UART) 0-0' client 72: 'Rawmidi 1 - ESS ES1978 (Maestro 2E) MPU-401' [type=kernel] 0 'ESS ES1978 (Maestro 2E) MPU-401' client 80: 'Virtual Raw MIDI 2-0' [type=kernel] 0 'VirMIDI 2-0 ' client 81: 'Virtual Raw MIDI 2-1' [type=kernel] 0 'VirMIDI 2-1 ' client 82: 'Virtual Raw MIDI 2-2' [type=kernel] 0 'VirMIDI 2-2 ' client 83: 'Virtual Raw MIDI 2-3' [type=kernel] 0 'VirMIDI 2-3 '

21 years, 11 months

[linux-audio-user] [ANN] AlsaModularSynth 1.5.9

by Matthias Nagorni

Hello, AlsaModularSynth 1.5.9 is available from alsamodular.sf.net New Features: - The Midi input module (MCV) has now a Trigger Output which enables Multi-Triggering (Thanks to Fons Adriaensen for the patch). To enable Multi-Triggering, just connect the trigger output of the MCV to the retrigger input of the ENV. - New module "Stereo Mixer". With this module you can mix several patches and switch between them. Signal paths that are muted are not processed. (Again: Thanks to Fons Adriaensen for suggesting this module). - New example patches demonstrate the MCP-Plugins by Fons Adriaensen. Take the time to try these plugins. They add many new sounds to AlsaModularSynth and vastly improve it's sound quality. I especially recommend example_basic_vcf_reverb_moogfilter_env.ams and example_phaser.ams (don't miss to play with the ModWheel) Have fun ! Matthias -- Dr. Matthias Nagorni SuSE Linux AG Deutschherrnstr. 15-19 phone: +49 911 74053375 D - 90429 Nuernberg fax : +49 911 74053483

21 years, 11 months

[linux-audio-user] Re: [Audacity-users] [Fwd: Re: [Audacity-help] Audacity in Linux]

by John Bleichert

On Thu, 22 May 2003, Zarathustra wrote: > Subject: Re: [Audacity-users] [Fwd: Re: [Audacity-help] Audacity in Linux] > > Also schrieb Markus Meyer am 17:14: > > Hi, > > > > could anyone jump in and help that guy? > > > > Thanks in advance > > > > > > Markus, > > I think you should install the wxWindows-develop package (the same version of > the wxWindows package). > > Good luck > > Zarathustra > Did the OP install wxGTK from source or an RPM? When running the default source install, wx-config is installed in /usr/local/bin - maybe that's not in your path? JB ___________________________________ John Bleichert syborg(a)stny.rr.com -- http://vonbek.dhs.org/latest.jpg -----------------------------------

21 years, 11 months

[linux-audio-user] command line cdload

by Tim

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I've mapped my multimedia keys to play CDs with commands from cdtool. The only thing thats missing is a load command. There seems to be no opposite to cdeject. The only way I can close the tray is with cdrecord -load dev=0,0,0 Is there anything simpler or do I simply have too much time on my hands? TIA, Tim -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE+zNQdsUUdIDHrdAURAvhoAKCoT8WHmYv5egBiA8DVXvHRJwZ3kQCdEIQ7 SGQDj6NvieYljH0GNNtFi5Q= =khh5 -----END PGP SIGNATURE-----

21 years, 11 months

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Linux-audio-user May 2003