Stefano S. Cavaglieri
Swiss National Sound Archives (Switzerland)
VisualAudio, the Swiss optical audio signal retrieval system for coarse, as well as microgroove discs, based on analog high-resolution photography and subsequent film scanning, just turned 15. This long journey eventually produced a number of tangible results. A post-prototype was put in the production chain a couple of years ago and is since jointly operated on regular schedule by a re-recording engineer and a software developer at the Swiss National Sound Archives, proving the degree of maturity reached. We will illustrate some very practical aspects of this system, splitting the workflow into logical processing steps. We will point out the challenges, the ups and downs, as well as any room this technology may have for further improvements, also mentioning and comparing it to similar systems.
Stefano Sergio Cavaglieri is the Chief Technology and Information Officer of the Swiss National Sound Archives in Lugano, Switzerland. His career started back in the late 70’s in the audio engineering field. For a number of years, he touched all kind of audio productions, culminating his professional path with an impressive series of world-class recordings and events. In the late 80’s, in parallel to audio, Stefano broadens his interests to include computer science. Starting dealing with networking and systems management, he very soon gets involved in software design and all things digital storage. His expertise and analytical skills led him to be now recognized as one of the leading technical authorities in the multimedia archives community. In 2011 he was awarded the James A. Lindner prize for his contributions to research in the field of the technology of preservation of recorded sound. Stefano holds a degree both in electroacoustics and in computer science. He serves as an active member of IASA – TC (International Association of Sound and Audio Visual Archives – Technical Committee), ALA (American Library Association), and AES (Audio Engineering Society).