Location: Southeast Christian Church – Louisville, KY
Investigator: Pat Brown
Description: Low and medium Q source comparison. The low Q source is a dodecahedron. The medium Q source is a QSC K12. The distances are 30 ft, 60 ft, and 120 ft. Sources are center stage. The zip file contains six room impulse responses. Read more →
by Pat Brown
Mark Haymond sent me an interesting impulse response that serves as a great example of “flutter” echo. It was captured at a pistol range, where the shooter stands between two block walls, with an earth berm at one end (Fig. 1). The flutters are about 55 ms apart, giving an almost reverberant impression, but the stepped Schroeder curve reveals that this is definitely not reverberation (Fig. 2). Read more →
by Richard Honeycutt
The demographics of churches are changing, and the change definitely brings acoustical issues. As an example, I’ll use a church with acoustical and sound issues that I have helped for several decades. Read more →
Location: Cannelton, IN
Investigator: Pat Brown
Description: Loudspeaker comparison made in reverberant church. Distances are 6 m and 12 m. Read more →
Location: Oklahoma City, OK
Investigator: Pat Brown
Description: Performing arts center. Website link. RIRs of house sound system. Here is an article describing the session. Read more →
Location: Houston, TX
Investigator: Pat Brown
Description: Former NBA arena converted to HOW. Website link. Measurements made within the coverage of the Left house line array. Also included are two RIRs of their production studio (last photo). Read more →
Location: Phoenix, AZ area
Investigator: Pat Brown
Description: Reverberant HOW. This is a comparison of the house line array with a med Q coaxial source on stage. Read more →
Location: Tampa, FL
Investigator: Pat Brown
Description: Large HOW. Website link. Evening site survey done as part of SynAudCon Sound System Design seminar in October 2008. A-format recordings were decoded to B-format, which were decoded to XY stereo. Read more →
Location: Indianapolis, IN
Investigator: Pat Brown
Description: Source on stage. Test position 1 is on-axis with source at distances indicated in IR file names. Raked seating means that later measurements are off-axis vertically. Link to website. Read more →
Location: Indianapolis, IN
Investigator: Pat Brown
Description: Hotel meeting room. Active vs. passive line array comparison. Read more →
P: 812-923-0174
Synergetic Audio Concepts, Inc.
8780 Rufing Road,
Greenville, IN 47124, USA
