EMUSIC-L Digest Volume 56, Issue 19 This issue's topics: MIDI file unknown meta event Midi items MIDI software Music Lines simple sampler question. (2 messages) Yamaha Consumer Keyboards Your EMUSIC-L Digest moderator is Joe McMahon . You may subscribe to EMUSIC-L by sending mail to listserv@american.edu with the line "SUB EMUSIC-L your name" as the text. The EMUSIC-L archive is a service of SunSite (sunsite.unc.edu) at the University of North Carolina. ------------------------------------------------------------------------ Date: Fri, 3 Sep 1993 17:55:35 BST From: "Steven D. Bramson" Subject: Re: MIDI file unknown meta event -------------------------------------------- "Steven D. Bramson" writes: >I am writing some software to read and interpret the non-midi event >information in midi files (so you can document them). I have several midi >files which have an undocumented (in the copies of the standard I have seen) >meta event. Meta events describe things such as copyright strings, track >names, time signature, key signature, clock rate etc. All I know is that the >unknown meta event has hex code 21 (33 decimal) and is followed by a single >data byte. ------------------------------------------ Hendrik Jan Veenstra (hjv@phil.ruu.nl) replied .. Don't ask me where I got this from, since I don't remember... *** Channel Prefix: 0xFF 0x20 0x01 0x0n where 'n' indicates the channel of the following event. So, Channel Prefix meta events help you in keeping the midi channel information together with an event that doesn not contain midi channel information, like sys-ex events and text events. *** Port Prefix: 0xFF 0x21 0x01 0x0n No description for this last one, but I suppose the Channel Prefix description suggests enough ('n' is the port of the next midi event, etc...). Hope this helps... If you happen to know any meta events that I don't know, I'd appreciate a short note... The ones known to me are no's 0x00-0x07, 0x20, 0x21, 0x2F, 0x51, 0x54, 0x58, 0x59, 0x7F. ------------------------------------ Many thanks for the reply. I can confirm that I know of no meta events other than those you list above. I guess the port prefix is for the benifit of those lucky people with multiple midi output ports, and hence 32 or more channels. Steven D Bramson Data Management Group JET Joint Undertaking Abingdon Oxfordshire OX14 3EA United Kingdom E-mail sdb@jet.uk Voice 0235 465 013 Fax 0235 465 399 ------------------------------------------------------------------ JET is Europe's fusion research project Disclaimer: Any views expressed are mine and do not represent those of JET ------------------------------ Date: Sat, 4 Sep 1993 11:48:24 -0400 From: Terry Horner Subject: Midi items Could anyone tell me where I might (if possible) obtain the following through the Internet. If not available through the Internet, from where can they be obtained? Music Lines Malmo College of Music by Brengt-Arner Molin Evolution Butch Mahoney Music Box Butch Mahoney MacMusic Nebulous Enterprises Algorithms Earlevel Engineering (part of HyperMIDI) Fractal Music Generator Earlevel Engineering Twelve-tone Michael Pelz-Sherman These are mentioned in a MIDI bible and I am assisting a friend in locating these. ------------------------------ Date: Fri, 1 Oct 1993 01:06:44 MET From: Vincenzo Palleschi Subject: MIDI software Dear Friends, I have a question about MIDI software for real time processing of keyboard signals, such as echo, delay and so on. As far as I remember, some time ago I have seen something of this kind but I forgot where and the name of the program, of course (I remember it was an old demo, probably..). More in general, I think it would be fine to have software for real time arrangement (I mean, programs like Band-in-a-Box do the job, but you should FIRSTLY write the armonic part and AFTER obtaining the arrangement).What about automatic recognition of chords and real time processing? Even very cheap keyboards can do that, and their processor is not a 486, I think ... Just another idea, maybe some programmer on the net would like to try :-> I heard of a converter for non-standard tunings from Roland which uses the mod-weel for changing (in real time...) the tuning of the single notes on the keyboard It looks quite simple to do with a PC, don't you think so? Vincenzo Palleschi ------------------------------ Date: Wed, 29 Sep 1993 10:35:11 -0400 From: Terry Horner Subject: Music Lines I have been asked by a colleague to locate something for him which apparently is available through the Internet. It is called Music Lines and was developed by Brengt-Arne Molin of Malmo College of Music. Can anyone help locate this? ------------------------------ Date: Tue, 28 Sep 1993 23:36:56 -0500 From: Mark Swann Subject: simple sampler question. very simple!, Im just learning about samplers and wondering,, that,, in a midi/sequencer setup,, when you want to play back a program of signals from your sequencer,, and you have sampler.. are there 'multitambral samplers' that can do this.? that is,, say you have AKAI s101,, has a floppy anhd 2mg ram you make your own samplers and use these for filling up 8 tracks in your sequencer,,, now.. do samplers have places they can store those original samples so that you can hear them all when you play your sequence back thru it? thx. svann ------------------------------ Date: Wed, 29 Sep 1993 13:05:10 -0500 From: Arne Claassen ISE Subject: Re: simple sampler question. > > very simple!, Im just learning about samplers and wondering,, that,, > in a midi/sequencer setup,, when you want to play back a program of > signals from your sequencer,, and you have sampler.. are there > 'multitambral samplers' that can do this.? Ok, if i get this straight, you are wondering whether you can play back sequences of multiple samples/voices. With my EPS it's like this, i got eight tracks. To play them from a remote sequencer, i assign a midi channel to each track and send the sequence split up over eight tracks. In addition, i can have as many samples as i have keys and memory for each track, which i trigger with the specific note on/offs. I imagine it's pretty much the same or at least similar with other samplers. Personally, i've never heard of a unitimbral sampler, unless it is also monophonic, such as some dj mixers with a sample button. Hope that helps... -- -------------------------------------------------------------------------- |Arne F. Claassen | | | | "It is by my will alone I set my mind in motion" | | finger for PGP public key | -------------------------------------------------------------------------- . ------------------------------ Date: Fri, 10 Sep 1993 15:18:39 EDT From: JOHN ALBERT PINION Subject: Yamaha Consumer Keyboards I am not a "serious" or "professional" or even "academic" musician, but I have this cheap (under $500) yamaha keyboard PSR-500 that is actually touch sensitive and has a nice piano and "sampled" (although I doubt to much resolution) sounds and I have it connected to my Mac. \ The problem is, the manual includes very little good information (let alone engineering data) even on dump file structure, for instance. I would appreciate any information that might be useful, and I might add that I have enjoyed keeping a little cheap keyboard around for years and have extracted a great deal of learning and depth of knowledge from even these frightfully toyish "instruments". Sincerely, John A. Pinion ------------------------------ End of the EMUSIC-L Digest ******************************