Methodology notes...

2 Methodology notes
What is an IR
Tae Hong Park author of an Introduction to Digital signal processing describes it
Agitating the system.......       To explain the room is the system the agitation is the impulse, clapping your hands, by doing this we can begin to make judgements about the room we are in
An impulse response is by it's definition, short and loud and should contain a broadband of frequencies
Lo Fi techniques for IR's
Starters pistol, a firecracker or balloon being burst
Portable recording equipment
Hi Fi techniques (lab quality) as used in the photo, Rosslyn chapel, Nov. 2013
A full range (20 - 20) sine sweep
Reference class microphones and loudspeaker playback system
Ref microphone pre-amps and high resolution recording equipment
Some Modern researchers endorse multichannel surround sound techniques including afore mentioned Damian Murphy
Damian Murphy's multichannel game recording....... Forests of Finland