LOTTE WORLD TOWER CONCERT HALL SEOUL, SOUTH KOREA 2016 $FRXVWLF&RQVXOWDQW Nagata Acoustics $UFKLWHFW Designcamp Moon Park 2ZQHU Lotte Corporation Constructed as part of a complex that DN includes a 555m skyscraper, sprawling mall, aquarium, and cinemaplex, the Lotte Concert Hall stands out as being WKH¿UVWFODVVLFDOFRQFHUWKDOOWRRSHQ in Seoul for nearly 30 years. Located on the 7-11thÀRRUVRIWKH/RWWH:RUOG Mall, the hall invites the dedicated listener and casual shopper alike to enjoy visiting orchestras and Korean popular ensembles. $GRXEOHFRQFUHWHVWUXFWXUHÀRDWLQJRQ rubber pads prevents noise and vibration from the mall and nearby subway line from disrupting performances. To ensure clarity while creating a reverberant ¿HOGWKHGHVLJQSURFHVVLQFOXGHGD physical scale model in conjunction with computer simulations. The space PLAN is intented primarily for classical acoustic performances, but a system of VWDJHFDUSHWEDIÀHVDQGPHFKDQLFDOO\ operated banners reduces the relatively ORQJUHYHUEHUDWLRQWRDOORZDPSOL¿HG performances. BUILDING DETAILS AND ACOUSTICAL DATA Location Lotte World Mall, 300 Olympic-ro, LONGITUDINAL SECTION 0 5 10 15 20 Seoul, South Korea METERS 6HDWLQJ&DSDFLW\ 2,036 5.0 4.0 5RRP9ROXPH 32,600 m³ 3.0 5HYHUEHUDWLRQ7LPH (500Hz Octave Band, &RQFHUW&RQ¿JXUDWLRQ 2.0 8QRFFXSLHG 2.9 seconds 2FFXSLHG 2.7 seconds 1.0 )LQLVK0DWHULDOV Unoccupied &HLOLQJ&DQRS\ Plaster Reverberation Time in seconds Occupied 0.5 :DOOV Wood ribs with veneer 63 125 250 500 1,000 2,000 4,000 8,000 6WDJH)ORRU Alaskan Yellow Cedar 1/1 Octave Centre Frequency in Hz 2UJDQ Rieger Orgelbau REVERBERATION TIME LOTTE WORLD TOWER CONCERT HALL SEOUL, SOUTH KOREA 2016 Clockwise from Top View from second balcony *ODVVIDFDGHRIWKHOREE\DVYLHZHGIURPWKÀRRUWHUUDFH Public approach to Lotte World Tower complex (concert hall located LQWRSKDOIRIFHQWHUEXLOGLQJ View from stage.