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28. Frequently Asked Questions (FAQs)
What is ERGO?
ERGO is an audio interface with built in digital room analysis and correction system. It consists of the ERGO unit, a measurement
microphone and control software. These three pieces are used to measure and analyze phase and frequency problems within a
listening environment and then a powerful digital signal processor in the ERGO hardware unit processes audio to correct for
these problems.
How does Room Correction help?
ERGO’s licensed RoomPerfect room correction technology can help you make better, more informed decisions about your mix. If
you find your mixes do not translate well from your studio to other listening environments it is most likely that your room is the
problem. ERGO corrects for the audio coloration in your room and this, in turn, allows mixes to translate better to numerous
listening environments. If your room has problems, better speakers will not resolve the problem, and while we endorse the
acoustic treatment of your room quite often there are limitations of what can be expensive and time consuming. With ERGO
even if some large elements in the room change, it’s a simple as re-calibrating to perform the optimal correction.
Do I need a computer to use ERGO?
ERGO only requires a FireWire connection to a computer in order to run the analysis portion of the room correction process. Once
the analysis is complete, ERGO no longer needs to be connected to the computer, you can simply connect your digital or analog
input and your monitors. If any large structures in the room change we always advice spending 15-20 minutes re-calibrating
using ERGOCal.
What is the difference between ERGO and “room correction” software built into operating systems like Microsoft
Windows 7, or Apple Mac OSX Snow Leopard?
First and foremost are the DSP requirements to perform accurate room correction, while simple filters can be created and
inverted to compensate for single bands of error, RoomPerfect offers much higher analysis and correction than a “built-in”
system such as these. Room correction relies heavily upon the accuracy of the measurement and the analysis of this data to
create an acceptable correction that does not distort or color the sound. To do this, variables in measurement, analysis and
correction need to be reduced or eliminated. Because ERGO is a complete system with matched equipment and measurement
techniques this removes a lot of variability and the result is improved correction. Operating system-based correction introduces
a number of variables that result in inaccurate measurement. Also operating system based correction can take an alarming % of
your system resources. This means fewer plugins, increased latency and overall poorer system performance when working in
your chosen DAW. ERGO does not place any processing load on the CPU when performing its room correction.
Can ERGO work with my existing computer audio interface?
Yes, ERGO simply patches between the main Left/Right analog outputs of your existing audio interface, or will take an S/PDIF
format digital output from your existing audio interface or hardware. This is a very simple and easy method to work with ERGO
since there is no reconfiguring of your audio workstation or drivers.
Can ERGO work with AVID/Digidesign Protools?
Yes, simply patch ERGO between the main Left/Right analog outputs of your Protools interface or will connect to the S/PDIF
outputs of your Protools rig. Assign your “main” outputs in Protools to your chosen method (digital or analog) , and ERGO will
apply correction before the signal from your audio interface reaches your monitors.
Can ERGO work with any powered or passive monitors?
Yes, ERGO is designed for active monitors but will work with passive monitors as well. When using passive monitors make sure
the amplifier has any equalization or filtering disabled.
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