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Wednesday, October 20 • 3:00pm - 4:00pm
The Secret Life of Low Frequencies

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The low frequency region is where the bulk of our perception of sonic quality takes place, making it a range requiring meticulous attention. It is also an unforgiving territory where many complications and pitfalls can arise that damage the sound quality in our critical listening spaces - mix rooms, control rooms, studios and the like. In designing these rooms to world class standards, it’s easy to stumble and fail.

In “The Secret Life of Low Frequencies”, Bruce Black explores what can occur in the all-important low frequency realm, and why it happens. Using data collected over decades from the acoustic analyses of rooms ranging from large world class mix stages to small home studios, he shares his surprising discoveries and unexpected answers to sometimes baffling questions.

Controlling the LF requires a deep understanding of its unique attributes and character, and answers these questions -

• How does the LF range work?
• What are the different ways sound propagates?
• What can go wrong in the low end?
• How can we identify and quantify the problems?
• How do we fix the issues?
• Which fixes solve the problems, and which ones lead us astray?
• Why won't adding absorptive panels fix LF problems?

Good LF control requires good, honest and informed answers to all these questions. Some of what Mr. Black presents will go against the “common wisdom”, and some may be controversial. But what he offers is based on years of field experience; it will give you plenty to contemplate.

The attendees will leave with a deeper understanding of how LF works, why many of the solutions offered by the “common wisdom” fail to work or even do more sonic damage, and a comprehensive road map of how to control this sonically critical region.


Bruce Black

Director of Engineering, MediaRooms Technology LLC

Wednesday October 20, 2021 3:00pm - 4:00pm EDT
Stream B