Abstract
The myriad of challenges associated with sound-reinforcement systems for arenas, stadiums, and outdoor festivals presents significant obstacles to the audio professional. One of the most significant factors, which can affect both speech intelligibility and tonal accuracy of sound reproduction, is loss of projection due to air absorption. On the surface it might seem that this is a very high-frequency phenomenon which would only be a concern for certain types of musical program. Closer examination reveals that it is, in fact, a significant factor at frequencies in the vocal range. The types of losses encountered in the arena, stadium, and festival configurations are examined, and their impact on both speech and music program is discussed. Methods to implement large-scale sound systems to mimimize these effects are presented, with several applications shown as examples.
Published Version
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