Special features: DVD decline threatens bonus material

Each week we ask chief technology officers (CTOs) and other high-profile technology decision-makers three questions.

This week, Ty Roberts, CTO of Gracenote, is providing the answers.

Image caption, Ty Roberts says apps that are able to organise films by scene are the next big thing for digital media

Digital music recognition technology firm Gracenote specialises in working with digital media companies, providing among other things software that helps them manage and curate large catalogues of music. It can also suggest music a listener may like. It is used in services such as Spotify and Pandora, and powers the new Sony Qriocity service.

The California-based company was bought by Sony in 2008, and now operates as a subsidiary. It has 300 employees