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1. WHENTO USE DIGITAL ROOM CORRECTION
(ANDWHEN NOTTO!)
http://www.acousticfrontiers.com/

2. DIGITAL ROOM CORRECTION
Many times I am frustrated by how people expect
room correction devices to solve all the acoustic ills of
their room. Listening room design devices ARE
excellent at some things, particularly removing the
negative influence of room modes, but cannot solve
many acoustical issues.They should be thought about
as a complement to appropriate acoustic treatment of
first reflection points.

3. WHEN TO USE DIGITAL ROOM CORRECTION
The process for optimizing a system should be:
1. Measure system (equipment, speakers + room)
2. Design acoustic treatment scheme to resolve issues (early reflections, modal
resonances, etc.)
3. Setup the system (speaker positioning, listening seat positioning).
4. Use room correction as a last resort for modal resonance issues below 100Hz or
so

4. WHEN TO USE DIGITAL ROOM CORRECTION
Once you’ve done this then you can start to
5. Fix speaker issues such as group delay, phase correction using something like
a DEQX processor.
6. Tune everything else, including power supply, equipment support, cabling etc.

5. WHEN TO USE DIGITAL ROOM CORRECTION
But normally it is:
a) Buy expensive equipment
b) Place speakers where they look good with no or little thought or knowledge as
to best placement
c) Spend a lot of time worrying about cables and little things that make small
differences

6. WHEN TO USE DIGITAL ROOM CORRECTION
d) ignore the room because you don’t
understand the importance of it
e) think that some magic room correction
black box can make up for b) and an untreated
room

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“I'm enjoying the system you did for me so much. it’s just incredible. it’s like listening to my music for the
first time!”
Mr. Hart, Carmel Highlands, CA.
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Acoustic frontiers specializes in the design and creation of high performance home theaters and listening
rooms for audio / video enthusiasts.
Acoustic Frontiers offers high end audio design services. Our audio room design project is tailored to each
of our customer’s unique listening needs. We also offer professional listening room setup.