NOA’s Tobias Rapp to Discuss Digital De‐emphasis at AES
Will present “Digital De‐emphasis of Gramophone Recordings” at 2018 AES Conference on Audio Archiving
Vienna, Austria— 6 June 2018
Tobias Rapp, senior software developer at NOA Archive , will be traveling to the 2018 AES International Conference on Audio Archiving, Preservation and Restoration in Culpeper, Virginia to present a paper entitled “Digital De‐emphasis of Gramophone Recordings.”
Held at the Library of Congress Packard Campus for Audio Visual Conservation on June 28–30, the event will bring together audio archiving professionals from around the world to discuss “critical preservation issues and focus on strategies that will support and encourage collaboration and interoperability between industry and the preservation, restoration and archiving communities.”
Rapp’s paper, written in collaboration with Peter Kuhnle (AV digitizing and archiving specialist, NOA ’s CTO and MP), takes a look at the use of de‐emphasis filters to achieve a desired tonal balance in gramophone recordings. It outlines the advantages of using this technology, including the ability for archivists to preserve the unaltered off‐carrier signal and subsequently apply de‐emphasis if required, as well as warranting better results when removing click and crackle artifacts for access copies. In addition, the paper summarizes how the use of digital de‐emphasis filters instead of analog circuits can lead to simpler workflows, and how in combination with high-quality linear pre-amplifiers and A/D converters it is possible to achieve dynamic, high-quality gramophone digitization.
Other themes to be addressed during the event include topics like storage and access technology, the current state and future development of digital archives and their role in preserving commercial audio, physical/object based preservation & material science, handling and storage of audio carriers, new trends in material research, mechanical vs. optical transfer of gramophone recordings, handling of magnetic media as well as preservation issues for emerging high-end audio formats and sustainable preservation of legacy formats.
More information about NOA and its products is available at www.noa-archive.com or by phone at +43 1 545 2700.
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NOA delivers scalable, high quality AV digitizing and archiving innovations to make audio and video archives easily available in enterprise storage facilities. Sustainable long-term preservation of media content is guaranteed as NOA’s unique products rely on open archival standards and formats, and continuous checks for transfer integrity to ensure highest possible quality of audio and video content. NOA’s turnkey solutions deliver systems to meet the specific needs of any business.
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