WHEN TO USE DIGITAL ROOM CORRECTION (AND WHEN NOT TO!)

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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.

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

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.

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

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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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.