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Bentley Audio Digitization
Rob Goldey Bentley Historical Library
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Goals & Selection Increase access to materials
Selecting 1,650 reel-to-reel tapes Radio broadcasts, speeches, oral histories, lectures, musical performances, interviews, religious and conference recordings Increase access to materials Quality digital transfers Reduce the use of original materials
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Reel-to-Reel Tapes
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Quality Control & Description
Workflow Selection of tapes Digitization by vendor Metadata collection Quality Control & Description Access Reasons for choosing a vendor: Bulk, Time, Expertise and Equipment Ingest
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Digital Files Digital audio files Embedded metadata External metadata
Preservation WAV Production WAV Access MP3 Embedded metadata External metadata METS Images Notes.txt
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Automated Quality Control
Bentley Audio File Validator Batch processes files Designed in house File naming conventions Embedded & external metadata - exists & is well formed Checksums match File Format & Quality
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Automated Quality Control
Screenshots of BWF Editor, METS in Oxygen
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Manual Quality Control
QC: Spot checking audio content, no full listening
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Providing Access Copyright Determination Issues
Modified DeepBlue portal Descriptive data for everyone Access only in BHL; Modified Web Browser Deep Blue, UM’s DSpace
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