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Conference napalm::commusic_v1

Title:* * Computer Music, MIDI, and Related Topics * *
Notice:Conference has been write-locked. Use new version.
Moderator:DYPSS1::SCHAFER
Created:Thu Feb 20 1986
Last Modified:Mon Aug 29 1994
Last Successful Update:Fri Jun 06 1997
Number of topics:2852
Total number of notes:33157

2571.0. "Guitar amp feedback emulation on MIDI setups" by VICE::JANZEN (Tom MLO21-4/E10 223-5140) Fri Feb 08 1991 15:03

	How do you emulate guitar amp feedback with no guitar and no amp
	on MIDI setups?  what if you have digital delay with the following
	setup:
	1. delay is set to about 3 to 6 milliseconds
	2. digital delay feedback is 101% but on a pedal to adjust 50 to 110%
	3. no #3
	izzat how ya do it?
Tom
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2571.1SALSA::MOELLERKarl has... left the building.Fri Feb 08 1991 15:168
    I use my EMAX Rockman Lead sample complete with time-delayed feedback
    harmonics, what else ?  ;-)
    
    Not having a really flexible adjustable delay unit, I can't comment on
    your method, but there should be some high-end attenuation plus some 
    imposed distortion.  Perhaps tape delay ?  Get out that old open-reel..
    
    karl
2571.2WEFXEM::COTEI've got an alibi...Fri Feb 08 1991 15:2910
    If you listen to my cover of "Rumble" on C-VIII, you'll hear a bit of
    "feedback" come in on the lead synth if the note is sustained for any 
    length of time...
    
    I did it by setting the attack rate of one operator to be much slower
    than the others, and using a high frequency ratio. On a TX81Z you
    can set any  operator to have a "fixed" frquency that won't change pitch
    as you move along the keyboard...
    
    Edd
2571.3FM for Noise!!FORTSC::CHABANFri Feb 08 1991 19:579
    re: .2
    
    Yeah, FM machines are best for Maniac Metalhead guitar lead sounds 
    (unless you cheat and use a sampler)  I have a decent patch or two
    for my DS-8 (wimpy machine that it is).  The key is to go for the
    inharmonic overtones by modulating with the right signal.  Chowning's
    papers on FM talk about this a little.
    
    -Ed