Re: Re[2]: Live Real Time Guitar Effects

["Christopher White" <magicicada@mindspring.com>]

anyone have a 4trak minidisk for sale?
thanks
c.white
----------
>From: MBiffle@svg.com (Mike Biffle)
>To: loopers-delight@annihilist.com, papadave55@hotmail.com
>Subject: Re[2]: Live Real Time Guitar Effects
>Date: Sun, Aug 1, 1999, 6:16 PM
>

>     To whoever started this thread as well as the rest of you real time 
>     effects freaks... 
>     
>     Here's a couple of my favorite conventional (non-Vortex) dsp tricks. 
>     One is a cloud looper to stay on topic. The other is a doppler 
>     flange/delay. Both are non tempo specific.
>     
>     This assumes you have some form of programmable midi controller, or 
>     non programmable but with several preset cc controller sockets like 
>     the Roland FC-200 with it's dedicated pedal inputs. Being able to 
>set 
>     specific value ranges and reverse scaling is pretty important to 
>fine 
>     tuning this sort of patch. I use an old Digitech PMC-10 midi floor 
>     controller (As does Kim) and you'll sometimes hear us sing the 
>praises 
>     of this unit. The only other units curretly in production which do 
>     this sort of thing well are the Rocktron All Acess and possibly the 
>     Custom Audio Electronics RSB 10, although they've got their own 
>ideas 
>     about how you will set your stuff up. they're both pretty pricey as 
>     well... I don't know how deep the Roland FC-200 pedal goes, but it's 
>     dedicated pedal inputs on the back (6 or 8?) could allow for some 
>nice 
>     tweaking assuming you can select the channel they transmit over 
>     (hopefully being able to program them to send on different 
>channels). 
>     Someone just mentioned the Rolls Midi Wizard allows for a lot of 
>pedal 
>     inputs... don't know how programmable it is though with the cc's. 
>     There's a new breed of controllers like the Korg KAOS and Phatman 
>     which allow some fun looking hands-on creative tweaking of cc 
>params, 
>     but I'm not sure you can do much with them using your feet...
>     
>     Many dsps (Digitech IPS33b and Lexicon LXP15) have dedicated pedal 
>     inputs on the rear of the units making this type of patching really 
>     easy. Of course you need an expression pedal like the Boss/Roland 
>     EV5... My Boss GT-5 is especially nice for this sort of thing as 
>well 
>     although they mysteriously don't have a patch available for delay 
>     input level! Curses for this!!!
>     
>     Trick number 1. Patch a cc (continuous controller) to the delay 
>     time... you can set narrow limits (1ms - 20ms) with fairly high 
>     feedback for real time flange sort of effects. Or wide sweeps (1ms - 
>     500ms) for wild doppler type effects... on these I usually also 
>patch 
>     to delay output level AND feedback or regen to balance the short 
>delay 
>     runaway sounds with the longer delays with lower regen rates. My 
>most 
>     usefull versions usually have a longer delay with a few repeats and 
>     lower delay level for a fairly friendly conventional delay which 
>turns 
>     into a scary near-runaway death flange in a drainpipe. Slightly 
>moving 
>     the pedal gives some faux lfo type action to whatever range your 
>in... 
>     theres often many useful points along the way with these patches as 
>     well. Sneaking a pedal movement in while pausing allows you to 
>change 
>     delays/sounds without the doppler action...
>     
>     Number 2. For looping or cloud like pads, use a long delay with high 
>     regen, patch a cc to delay input level and swell notes into the 
>delay 
>     momentarily... you can back off and still play around the new cloud. 
>     The trick is to have another reverse scaled cc patched to regen on 
>the 
>     same pedal and have it back the regen off slightly as you pedal in a 
>     new note. I always have a volume pedal inserted between my main 
>guitar 
>     signal and the dsp so I can do smooth swells with my main signal as 
>     well as the midi cc swells. If your unit can patch a LFO to a 
>     parameter like delay time, panning, etc. then be controlled with 
>     another patch varying the LFO speed or depth, then you can get 
>really 
>     wild with what happens to the cloud AFTER you've swelled in a 
>note... 
>     Usually two expeds are a basic requirement for getting complex with 
>     multiple mutations... Then you could have a pitch shift which 
>mutates 
>     the whole mess as well...
>     
>     It's amazing how different these types of patches sound with various 
>     distortions and clean sounds. You'll probably find that certain 
>types 
>     will work better with your creation than others... Knowing what your 
>     starting sound is sometimes helps guide you in your param tweaking.
>     
>     Good luck and have fun!
>     -Miko
>
>