Opera house electronic libretto systems have begun to be used in some opera houses, including New York's Metropolitan Opera, Milan's La Scala, and the Crosby Theatre of The Santa Fe Opera, which provide two lines of text on individual screens attached to the backs of the seats so as to not interfere with the visual aspects of the performance. A subtle type of sound reinforcement called acoustic enhancement is used in some opera houses. Acoustic enhancement systems help give a more even sound in the hall and prevent "dead spots" in the audience seating area by "...augment[ing] a hall's intrinsic acoustic characteristics."
La Scala, Fortitude Valley La Scala, Fortitude Valley La Scala is a heritage-listed detached house at 517 Brunswick Street, Fortitude Valley, City of Brisbane, Queensland, Australia. It was designed by Thomas Ramsay Hall and built . It was originally known as "Craig Athol". It was added to the Queensland Heritage Register on 21 October 1992. The three-storeyed timber house was built in 1914 for Dr Thomas Henry Reeve Mathewson to a design by architect Thomas Ramsay Hall. Mathewson named the house "Craig Athol". He operated his practice from the ground floor and lived in the house above. In 1923 he moved his practice to