Guitar Effects and Amplifier Emulation

For a touring musician, one of the biggest hassles tothe type of circuitry involved, and the materials used in
deal with is moving gear from venue to venue. Whilethe amplifier's construction, for example, are all
most professional audio equipment is designed to befactored in to create a complete representation of the
rugged, even the toughest amplifier or effects unit willsounds produced by that piece of equipment. The
eventually break if it is dropped one too many times.same process is put to work to simulate classic
Not only that, but one of the side effects of makingeffects, such as specific types of reverb, distortion and
gear solid enough to withstand the rigors of the road isdelay. Guitarists are also able to virtually mix and
increased size, making it a real pain to have tomatch equipment to try combinations that may not
continually load and unload - especially if stairs are ineven be feasible in the physical world. It is also possible
the picture. Finally, space constraints limit most bands,to change the size of the virtual 'room' that the
(at least those who don't use a big rig to cart aroundamplifier is located in, as well as change where the
their stuff) to only a select number of amplifiers, pedalsmicrophone being used to pick up the amp's sound is
and instruments per show.placed.
Fortunately, technology has evolved to the point whereIn addition to the customization available, the extra
there are now viable replacements to many differentspace created in the van by replacing a whole load of
types of musical equipment. These replacementshardware is the next strongest feature of emulation
come in digital form - software that is capable oftechnology. By using a laptop and a good
emulating the exact characteristics of many differentASIO-compatible external soundcard, this type of
types of vintage and new audio gear. One of the bestequipment can be used in real-time in a live situation.
implemented examples of this technology can beThis essentially adds limitless possibilities to the stage
found in the realm of guitar amplifier emulation.setup of any performer or band.
Programs such as Guitar Rig by Native InstrumentsAs with choosing any type of musical gear to take on
and Amplitube by IK Multimedia allow musicians to tapthe road, it is important to make sure that the laptop
into a virtually limitless world of effect and amplifierand soundcard are selected based on how resilient
customization.they are. Venues can get very hot and moist, and it's
How does it work? At their core, these types ofworth investing in a fan to keep equipment cool under
programs employ complex mathematical modeling tothe hot stage lights. Many external soundcards are
represent the methods used by hardware amplifiersavailable with strong steel cases, and there are
and effects to generate their particular sounds. Using aruggedized laptops that will serve well as gigging rigs.
computer code framework, the size of the amplifier,