Church Organ Reverb This example illustrates how The FIReverb Suite™ has been used to add reverberation to a close recorded church organ:



The channels used were: hauptv, haupth, pedalv and pedalh.

A model of the actual church was made in PureVerb™and four sources were placed accoring to the microphone positions, see details below.

If anyone with special interst in organ playing and tuning have questions about details, please send an e-mail to     and it will be forwared to the organist.

The piece played is from Praeludium in G by Franz Tunder (1614-1667). A stereo CD recording made at the church with the same Franz Tunder material  is: "Franz Tuder: Organ Works" organist Pamela Ruiter-Feenstra, LRCD 1048/49 (LOFT RECORDINGS CD link). This recording does not use the same microphone locations as the simulation (most likely a lot closer), and is of course from the real church, but it is still an interesting comparison.

A direct mono mix of four channels recorded at close positions right up at the organ at +/-3.5 and +/-2 m from the center. You hear some of the real church reverb but it is quite weak.		Mono mix mp3 2.8 MB
Recording enhanced by The FIReverb Suite™ : A model was made in PureVerb™ that had the same main dimensions and reverberation times (3.8 sec at mid frequencies) as the actual church four virtual sources were placed like this: -3.5    -2    +2    +3.5   L1    L2    R2     R1 x 5-channel mic where each source used the corresponding recorded channel. At the receiver position a virtual 5-channel surround mic array was placed (a Williams MMA design) 16 m away (the church LxWxH is 40x20x12 m3) and for the sample here only the L and R mics were used (+/- 40° cardioids quite far apart +/-0.5 m). In MultiVolver™ a 4x2 convolution downmix for stereo was used, and also a 4x5 for the full surround (available on request).		4x2 Stereo with reverb mp3 2.9 MB downmix