The paper deals with the problem of acoustic correction in historic opera theatres with the auditorium layout in the form of a horseshoe with deep underbalcony cavities limited with a semicircular wall surface. Both geometry of the cavities and excessive sound absorption determine acoustic phenomena registered in this area of the hall. The problem has been observed in the Theatre of Opera and Ballet in Lviv, Ukraine, where acoustic tests were carried out, simulation calculations performed, and finally a diffusion panel worked out designed for the rear wall of the underbalcony space. Acoustic measurements carried out after installation of the diffusers revealed favourable changes in the sound strength factor G within the range of medium and high frequencies in the underbalcony and auditorium centre area. By replacing textile tapestry with diffusion panels, a significant reduction of sound absorption was achieved for the frequency range above 1 kHz and an increase of uniformity of acoustic parameters registered in the hall. The method presented in the paper can be applied in historic halls of the similar type as well as contemporary rooms where there is a need for correction of acoustic flaws related to sound focusing or the echo effect.
The article discusses the expansion of the influence of the museum as a culture forming structure on the example of one of the most beautiful cities in Eastern Europe. Lviv is considered a regional metropolis, its cultural influence extends across Western Ukraine. The paper presents the evolution of the museum’s function in the spatial development of Lviv and urban conditions of expanding this function in a modern city. The need for the placement of museum complexes on the outskirts of Lviv’s city center was determined.
Stefan Grabiński, a famous Polish author of weird fiction, who is known especially for his collection of short stories Demon ruchu (The Motion Demon, 1919), lived and worked in a period marked by a new artistic style – expressionism. Although Grabiński came from Lviv, often regarded as a province in Poland after the Great War, he could have a contact with the latest ideas concerning art and philosophy. Indeed, both in his short stories and in his novels may be found some traits typical for the expressionist poetics as, for example, a subjective perspective, a color sensitivity or a tendency to violent and dynamic use of formal elements. Grabiński was fascinated by a German literature – he read Gustav Meyrink, E.T.A. Hoffmann and an expressionist magazine “Der Orchideengarten”. Moreover, he liked going to the cinema where he could watch, for example, a famous German expressionist film – The Cabinet of Dr. Caligari. The only text by Grabiński which was adapted into film in his life was a short story Kochanka Szamoty (Szamota’s Mistress, 1922). Although this seemed to be a great material for an expressionist film, the director – Leon Trystan – decided to realize it in an impressionist poetics.
This article douments the impact of Kazimierz Twardowski's philosophy and scientific methodology on the criticism of literature and art criticism produced in Lwów between c. 1900 and 1939.