2. Enhancing discovery of the British Library’s audio collections Richard Ranft 23 June 2014 Making Metadata Work ISKO UK + IRSG + DCMI joint meeting

3. www.bl.uk 2 Discovering the British Library’s audio collections the collections discovery and access improving discovery and access

4. www.bl.uk 3 The British Library’s audio collections established 1955 (as British Institute of Recorded Sound) national collection of UK record industry selected publications from overseas radio broadcasts unpublished recordings

5. www.bl.uk 4 Subjects music spoken word environments & nature

6. www.bl.uk 5 Extent 8 million tracks from 1857 to this morning many formats total 115 years of listening

7. www.bl.uk 6 Barriers to access copyrights many non-digital tracks offline digital time-based = time consuming limited, text-based search no serendipity high expectations (c.f. iTunes, Spotify)

8. ‘opacity’ of audio (no freeze- frames!)

9. www.bl.uk 8 Current access Sound & Moving Image Catalogue: sami.bl.uksami.bl.uk onsite listening: –Listening & Viewing Service –SoundServer (200,000 tracks, 2.5% of collections) off site listening: –BL Sounds (50,000 tracks, 0.6%) streaming downloading

10. www.bl.uk 9 Sound & Moving Image Catalogue sami.bl.uk sami.bl.uk

11. Existing web services

12. www.bl.uk 11 Human-led enrichment description transcription annotation category tagging rating recommendation & review

13. Machine enrichment/search Categorisation Music genre, language/dialect detection, mood Synchronisation Score following Transcript following Identification Speaker/vocalist ID Melody recognition Query by humming/tapping Non-text browsing Map browse Timeline browse Recommendation & matching melody matching Cross-media linking Speaker/ tune matching Feature extraction Pitch, tempo, chord, time signature, rhythm Segmentation/event detection Music/speech segments Speaker/ lead instrument change Laughter, applause, emotion detection Transcription Speech-to-text Score generation

14. 13 Click to add title Bullet 1 –Bullet2 Bullet 3

15. 14 Click to add title Bullet 1 –Bullet2 Bullet 3

16. BL Sounds

17. Improving access and discovery http://sounds.bl.uk/

21. Visualisation and analysis

23. Centre de Recherche en Ethnomusicologie (CREM) http://archives.crem-cnrs.fr/ http://archives.crem-cnrs.fr/ Powered by Telemeta http://telemeta.org/ http://telemeta.org/

24. www.bl.uk 23 Current projects work with Metable and record labels to acquire and describe digital music search via APIs across open music databases such as MusicBrainz, Decibel, Discogs COMMA: cloud-based media analysis project with BBC http://www.bbc.co.uk/rd/projects/comma http://www.bbc.co.uk/rd/projects/comma

27. www.bl.uk 26 Example http://sounds.bl.uk/Arts-literature-and-performance/Early- spoken-word-recordings/024M-1CS0011556XX-0200V0 http://sounds.bl.uk/Arts-literature-and-performance/Early- spoken-word-recordings/024M-1CS0011556XX-0200V0 English Conversation: At the Tobacconist's (1929) Linguaphone 78rpm

29. www.bl.uk 28 Thanks for listening! richard.ranft@bl.uk