Sound reinforcement systems based on DML technology, as a sound sources with unique signal generation and radiation characteristics, provides some particular features when it comes to audience coverage and speech intelligibility. Although this technology exists for over a quarter of century, not so many sound reinforcement systems based on this technology exists and, therefore, it is possible to perceive a lack of data on the behavior of this type of system in real-life conditions. This paper has a goal to present the results of impulse response measurements conducted in big concert venue that was alternately excited with conventional and DML sound reinforcement systems.
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