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Category: Heritage Science

Close-up view of two hands carefully at work on an aged, yellowing manuscript with handwriting

Tracing Sound: Adding Functionality to Contactless Audio Recording Digitization

Posted by: Tana Villafana

IRENE, which stands for Image Reconstruct Erase Noise Etc., is a method for extracting sound from mechanical audio recordings, such as phonograph records and cylinder records. What makes IRENE special is that the entire process is contactless, allowing us to extract audio from broken, fragile, and otherwise unplayable objects while reducing the possibility of damage.

Close-up view of two hands carefully at work on an aged, yellowing manuscript with handwriting

Climate Correlation: Environmental Monitoring at the Library of Congress

Posted by: Tana Villafana

The following is a post by Anna Katherine Overstreet and Alexandra Ptacek, 2022 Junior Fellows, Preservation Directorate. Anna Katherine recently graduated with her undergraduate degree in mathematics from Mississippi State University, and she will be returning in the fall for a graduate degree in statistics. Alexandra is a graduate student of Anthropology and Museum Studies …