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Unlocking Audio 2 - Connecting with Listeners

Unlocking Audio 2 - Connecting with Listeners. MEMORIES Acquiring, enriching, preserving and accessing Audio-Visual assets The RSR case study Jean-François Cosandier (chief officer) Iris Buunk (research assistant) 17 th of March 2009 British Library, London.

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Unlocking Audio 2 - Connecting with Listeners

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  1. Unlocking Audio 2 - Connecting with Listeners MEMORIES Acquiring, enriching, preserving and accessing Audio-Visual assets The RSR case study Jean-François Cosandier (chief officer) Iris Buunk (research assistant) 17th of March 2009 British Library, London

  2. The RSR audio archives actual situation • 100’000 hours of audio archives • Analogue tapes (85’000 h.) • Direct cut discs (80’000 discs) • Audio files (15’000 h.) • Since 1935 • Interviews, music, programs, news • 20’000 hours digitized (23% of the entire collection)

  3. Problems and limitations • RSR audio archives have to face • huge collections of audio documents • various qualities of metadata (or no metadata at all..) • selection at input often difficult or impossible • a growing demand for online consultation (in a very short time) • continuous process of digitization

  4. The RSR challenges • Survival to the degradation of the carriers • Survival to the evolution of the formats of representation • Survival to the changes in the industrial policies • A high quality digitization • Rich metadata • Rich search possibilities • Fast access to the content • Digital content in a digital production network • Semantic audio search • The end-user accessibility

  5. The RSR requests Main focus: radio interviews • Identification of typical audio components: voices – noise – music • Identification of natural segments in the audio document (jingles, announcements, speech, music piece) • Detection single speaker / multi-speakers • Speaker voice recognition : The production of a determined speaker is compared with samples of voices in a database • Speech to text: extraction of the textual content of the spoken segment & textual content stored as metadata

  6. RSR scenario request

  7. MEMORIES contribution to the users • The Clip Manager • Segmentation • Locutors identification • Integration of metadata • Presentation of the Speech-to-text result • AXE generation • The Speech-to-text tool • The Single Sensor Source Separation tool • The Asset Management tool (FilmLibrary) • The Advanced Search tool

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