Bose Panaray MA12 Fundamentação técnica e debate - Página 9
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If the speaker's radiation pattern is too wide for the audience, there is over-coverage as
shown in Figure 3a. In these situations, sound radiates to areas other than the audience where
it reflects off of surfaces and arrives at the ears of the listeners as reverberation, which causes
degradation in clarity and intelligibility.
Figure 3a. The effect of choosing a speaker with a radiation pattern
wider than the audience is shown. Sound striking surfaces other than
the audience causes unwanted reverberation and reduced musical
clarity and speech intelligibility.
If, on the other hand, the speaker's radiation pattern is too narrow for the audience, as
shown in Figure 3b, people outside the main beam will hear a serious degradation in tonal
balance, level and clarity.
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MA12™ Modular Array: Technical Foundation & Discussion
April 2002, © Bose Corporation, All Rights Reserved
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