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by Pat Brown
Early measurement systems such as TEF, MLSSA, and others did not allow the investigator to directly listen to room measurements. We depended solely on … Read more
These are the files referenced in Course 320 – Sound System Design – Room Acoustics
GratisVolver™ Program www.catt.se
Forward and Inverse Sweep Files (Zip File 3 MB) Logsweeps_14s
GratisVolver™ Procedures PDF File
The freeware GratisVolver™ continues to be one of the most useful applications that I own. The ability to convolve impulse 
responses with anechoic program material let’s me sit at the mic position and listen to … Read more
By Pat Brown
GratisVolver is a free convolution utility that … Read more
By Pat Brown
So what good is an impulse response, once you have it? There are a number of … Read more
by Pat Brown
This article will go in several different directions. These will include
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
Here’s an interesting study posted to the SynAudCon Forum from Larry Pajakowski, posted with his permission. I’ll let him tell the story. – pb
Our church was closed during the first part of the Covid response and is now open … Read more