Abstract
Music is one of the branches of the art whose helpful role and usefulness in the human’s mind and soul is undeniable. It is the only art which in the philosophers’ divisions is directly linked with the human spirit and immediate overflows the ears of his soul. The sound, as a psychological phenomenon is associated with the emotion and excitement so that sometimes calms and sometimes confuses the human. This study aims to examine the technology of the gramophone records in the Music Museum by Fourier transform infrared spectrometry (FTIR). The method of this research is experimental and the data are collected by documentation, library, and using FTIR tests. Some records of the Music Museum were studied including four samples of 78 rpm platter (stone platter), one sample of 45 rpm, and one sample of 33 rpm (vinyl platter). The results of the FTIR test indicated that the materials of the records were vinyl and shellac and in their raw material, some of the softening additives (phthalates) and fillers (silica and calcium carbonate compounds) had been used.
Highlights
The audio archives are the realities deemed as the main anchor and pillar of the most of the institutions’ activities
In the era when the media play a significant role in all social events, the audio archives construct the main infrastructures of their activities, and they invest enormous costs
The mentioned audios in both sections of audio archives and specialized museums are maintained in various formats such as digital files, CD-ROM, magnetic cassettes or rails, platters, and recordable and cylindrical wires of the phonograph
Summary
The audio archives are the realities deemed as the main anchor and pillar of the most of the institutions’ activities. In the era when the media play a significant role in all social events, the audio archives construct the main infrastructures of their activities, and they invest enormous costs. These archives are the result of the experts’ effort to collect during a long time and are collected with huge costs, these archives must be maintained properly in a way that to be usable for and future. In most of the countries, this type of audios is kept in the specialized museums and make up the valuable documents of the political, social, cultural, or art history of that country. The mentioned audios in both sections of audio archives and specialized museums are maintained in various formats such as digital files, CD-ROM, magnetic cassettes or rails, platters (vinyl – stone), and recordable and cylindrical wires of the phonograph
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