{"@context":"http://iiif.io/api/presentation/3/context.json","id":"https://arsc.aviaryplatform.com/iiif/ng4gm8250k/manifest","type":"Manifest","label":{"en":["Requirements for AD Converters in Audio Preservation"]},"logo":"https://d9jk7wjtjpu5g.cloudfront.net/organizations/logo_images/000/000/019/original/ARSC_Full_Logo_RGB_K.jpg?1605438091","metadata":[{"label":{"en":["Agent"]},"value":{"en":["Peter Kuhnle (Presenter)","Marcos Sueiro Bal (Chair)","Michael Biel (Videographer)","Leah Biel (Videographer)"]}},{"label":{"en":["Date"]},"value":{"en":["2018-05-11 (Created)"]}},{"label":{"en":["Format"]},"value":{"en":["Video","Audio"]}},{"label":{"en":["Description"]},"value":{"en":["\u003cp\u003eWhile sonic quality of A/D converters in the premium segment has not changed notably during the last years, performance concerning dynamic and distortion of products in the mid-price segment has improved significantly. The conclusion seems to indicate, that hardware from this price segment can be used for analog audio preservation purposes. On closer inspection one realizes, that functional blocks crucial for transfer quality, like high-quality clock generation or associated analog signal processing, still constitute considerable technological efforts, which are often implemented inadequately in the cheap segment. This can clearly be shown by comparison of typical representatives of different appliance classes. Nevertheless, cost can be reduced if requirements of the hardware are narrowed down to the most essential features needed for digitization: flexible analog preamplification, clock generation, and excellent performance of the A/D converter itself. The possibilities of remote control and automatic logging of all relevant settings allow for secure process monitoring. Another know issue is the occurrence of data corruption, which appears during transfer of samples between A/D converter and the file written on the workstation. Popular AES/EBU audio interface sound cards on the one hand offer the highest level of security concerning these errors but on the other hand cause higher cost and lower options regarding workstation options. The general trend to connect A/D frontends to workstations via USB or Ethernet is not recommendable without appropriate security measures with checksums. Considering above reflections, a requirement catalogue for audio hardware suitable for digitization of content worth preserving emerges, which’s details cannot be fulfilled by a great number of interfaces currently available on the market. A possible alternative arises in use of specialized audio capturing frontends, which are able to meet all criteria thanks to their highly specialized customization\u003c/p\u003e"]}},{"label":{"en":["Language"]},"value":{"en":["English"]}},{"label":{"en":["Publisher"]},"value":{"en":["Association for Recorded Sound Collections"]}},{"label":{"en":["Rights Statement"]},"value":{"en":["\u003cp\u003eCopyright Association for Recorded Sound Collections\u003c/p\u003e"]}},{"label":{"en":["Video Editor"]},"value":{"en":["Nathan Georgitis"]}}],"summary":{"en":["\u003cp\u003eWhile sonic quality of A/D converters in the premium segment has not changed notably during the last years, performance concerning dynamic and distortion of products in the mid-price segment has improved significantly. The conclusion seems to indicate, that hardware from this price segment can be used for analog audio preservation purposes. On closer inspection one realizes, that functional blocks crucial for transfer quality, like high-quality clock generation or associated analog signal processing, still constitute considerable technological efforts, which are often implemented inadequately in the cheap segment. This can clearly be shown by comparison of typical representatives of different appliance classes. Nevertheless, cost can be reduced if requirements of the hardware are narrowed down to the most essential features needed for digitization: flexible analog preamplification, clock generation, and excellent performance of the A/D converter itself. The possibilities of remote control and automatic logging of all relevant settings allow for secure process monitoring. Another know issue is the occurrence of data corruption, which appears during transfer of samples between A/D converter and the file written on the workstation. Popular AES/EBU audio interface sound cards on the one hand offer the highest level of security concerning these errors but on the other hand cause higher cost and lower options regarding workstation options. The general trend to connect A/D frontends to workstations via USB or Ethernet is not recommendable without appropriate security measures with checksums. Considering above reflections, a requirement catalogue for audio hardware suitable for digitization of content worth preserving emerges, which\u0026rsquo;s details cannot be fulfilled by a great number of interfaces currently available on the market. A possible alternative arises in use of specialized audio capturing frontends, which are able to meet all criteria thanks to their highly specialized customization\u003c/p\u003e"]},"requiredStatement":{"label":{"en":["Attribution"]},"value":{"en":["\u003cp\u003eCopyright Association for Recorded Sound Collections\u003c/p\u003e"]}},"provider":[{"id":"https://arsc.aviaryplatform.com/aboutus","type":"Agent","label":{"en":["Association for Recorded Sound Collections"]},"homepage":[{"id":"https://arsc.aviaryplatform.com/","type":"Text","label":{"en":["Association for Recorded Sound Collections"]},"format":"text/html"}],"logo":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/organizations/logo_images/000/000/019/original/ARSC_Full_Logo_RGB_K.jpg?1605438091","type":"Image"}]}],"thumbnail":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/collection_resource_files/thumbnails/000/097/691/small/open-uri20200922-6764-gl339k_1600818577.jpg?1600804209","type":"Image","format":"image/jpeg"}],"items":[{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/97691","type":"Canvas","label":{"en":["Media File 1 of 2 - open-uri20200922-6764-gl339k.mp4"]},"duration":1653.26933,"width":640,"height":360,"thumbnail":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/collection_resource_files/thumbnails/000/097/691/small/open-uri20200922-6764-gl339k_1600818577.jpg?1600804209","type":"Image","format":"image/jpeg"}],"items":[{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/97691/content/1","type":"AnnotationPage","items":[{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/97691/content/1/annotation/1","type":"Annotation","motivation":"painting","body":{"id":"https://aviary-p-arsc.s3.wasabisys.com/collection_resource_files/resource_files/000/097/691/original/open-uri20200922-6764-gl339k.mp4?1600804168","type":"Video","format":"video/mp4","duration":1653.26933,"width":640,"height":360},"target":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/97691","metadata":[]}]}],"annotations":[]},{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/256128","type":"Canvas","label":{"en":["Media File 2 of 2 - ARSC_conf_2018_Kuhnle_audio.mp3"]},"duration":1630.08706,"width":640,"height":360,"thumbnail":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/public/images/audio-default.png","type":"Image","format":"image/png"}],"items":[{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/256128/content/1","type":"AnnotationPage","items":[{"id":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/256128/content/2/annotation/1","type":"Annotation","motivation":"painting","body":{"id":"https://aviary-p-arsc.s3.wasabisys.com/collection_resource_files/resource_files/000/256/128/original/ARSC_conf_2018_Kuhnle_audio.mp3?1730833047","type":"Audio","format":"audio/mpeg","duration":1630.08706,"width":640,"height":360},"target":"https://arsc.aviaryplatform.com/collections/1143/collection_resources/29774/file/256128","metadata":[]}]}],"annotations":[]}]}