Entries by Pat Brown
Learn How to Simplify the EQ Workflow
The EQ Workflow is like painting with increasingly finer brush strokes until the desired level of detail is reached.
Technical equalization is the process of “making equal.” The objective is to neutralize the loudspeaker’s response. For some system types this … Read more
Frequency Response Matching – Part 2
By Pat Brown
This article answers the question: If I match the “frequency response” of two components, will they sound the same?
In Frequency Response Matching – Part 1, I gave an overview of the concept/practice of matching … Read more
Room Acoustics Case Study – Small Room
by Pat Brown
It is intuitive to think of sound waves as bouncing around the room like rays of light. The reality can be far different, and it affects the way that the room must be measured and treated.
This
Frequency Response Matching – Should This be Part of the System Tuning Process?
by Pat Brown
“Frequency response matching” is a popular endeavor in both professional and consumer audio systems. Should this be part of the system tuning process?
A logical use of audio filters is to attempt to “match” the frequency response … Read more
One System, Three Voltages – Make Sense?
by Pat Brown
Pat Brown clears up a confusing topic in a visual and practical way – voltages in transformer-distributed loudspeaker systems.
We have recently released a new version of the High-Z calculator used in SynAudCon’s CAFViewerTM and IntelliKwik… Read more
Divide and Conquer – The Schroeder Frequency
by Pat Brown
Not all sound energy in a room is reverberation. The Schroeder frequency divides the spectrum based on sound wave behavior.
It has been understood for centuries that the behavior of sound waves indoors is frequency-dependent. The room … Read more
A Contrast of Statistical and Geometric Room Acoustic Analysis
by Pat Brown
Statistical and geometric room acoustics analysis have been with us for well over a century. Computer modeling makes geometric acoustic analysis (GA) practical at the drawing board. This article contrasts the two methods.
The room impulse … Read more
Room Survey 38 – Ministry of Foreign Affairs – Bangkok, Thailand
Location: Bangkok, TH
Investigator: Tanadej Siriwattaprayoon1
Room: Vethes Samosorn, Ministry of Foreign Affairs
Microphone: Omni
Loudspeaker: NTI DS2 with NTI PA3 amplifier
Source Signal: 14-sec log sweep
Convolver/Deconvolver: GratisVolver™
Introduction
It’s been a while since I have published a … Read more