Article

On the Importance of Sound Strength in Music Rehearsal Rooms (vor Ort)

* Presenting author
Day / Time: 23.03.2022, 14:20-14:40
Room: 57-06
Typ: Vortrag (strukturierte Sitzung)
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Abstract: The standard ISO 23591 on the acoustics of music rehearsal room gives upper and lower limits for the reverberation time as function of volume and type of music. The standard also contains an annex about the sound strength of a room. A method is outlined for an estimate of the sound pressure level (SPL) in the room, if the sound powers of the sources are known, the connection between SPL and sound power being the sound strength of the room. Music rehearsal rooms deviate from concert halls in several ways. Since there is no need for an audience, the volume is normally significantly smaller. The number of musicians playing in the room can be the same as in the concert hall in case of an orchestra rehearsal room, but often the room is meant for considerably fewer musicians, and the smallest case is a practice room for a single musician. The volume of a room is one of the most important parameters for the acoustics. When the volume is reduced, it is necessary to find a balance between increase of SPL and decrease of reverberation time. The presentation will explain how this was solved in the new ISO standard.
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