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Concert Hall
The highly acclaimed Lexicon
Hall, Concert Hall, and Random Hall reverb algorithms have
®
regularly been used by live sound and recording engineers because of their exceptional ability
to reproduce the musical ambience of large, wide, panoramically wonderful spaces.
This reverb is an updated version of one of Lexicon's oldest algorithms. It was an essential part
of many of the mixes of the late seventies and eighties. It is a less-dense reverb, allowing it to
add lushness to a mix without stepping on the dry source material. It also has quite noticeable
modulation, causing strong pitch effects at higher settings. The reverb tail has a life of its own,
desirable in pop music, less so in jazz or classical applications.
A hall is the principal venue for classical ensembles, but has proven to be useful for all types
of music. A hall is comparatively large, with wall-to-wall distances that are typically several
tens of meters. Smaller halls may be used for smaller ensembles. The characteristic sound
of a hall includes very low initial reflection density, with little reflection energy before 60-
100 milliseconds. Density buildup is more gradual, because of the larger distances between
reflecting surfaces. Reverberation time is somewhat longer as well. Finally, in most halls lower
frequencies reverberate longer than higher frequencies.
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