IP Studio and Radio Production Chris Baume BBC Research and - PowerPoint PPT Presentation

IP Studio and Radio Production Chris Baume BBC Research and Development EBU Object-based Audio Seminar, Geneva, 18 th May 2017

Architecture EBU Object-based Audio Seminar, Geneva, 18 th May 2017 2

Orpheus Radio Studio EBU Object-based Audio Seminar, Geneva, 18 th May 2017 3

Cooking analogy Kitchen Ingredients Chef Meal Recipe EBU Object-based Audio Seminar, Geneva, 18 th May 2017 4

Cooking analogy Kitchen IP Studio Ingredients Sources Chef Meal Renderer Output Recipe Composition EBU Object-based Audio Seminar, Geneva, 18 th May 2017 5

IP Studio – ‘the kitchen’ • Experimental production platform for developing and testing a new broadcast system • Entirely IP-based, uses RTP and multicast • Uses NMOS specification for identification, discovery and timing • AES67 compatible EBU Object-based Audio Seminar, Geneva, 18 th May 2017 6

Universal Media Composition Protocol – ‘the recipe’ • Describes assembly of media sources • Planned to be a proposal for an open standard • Media agnostic • Uses NMOS specification for identity and timing • Nestable – compositions of compositions • Co-ordinated using an API using pub/sub • Event-driven, uses operational transformation • Can be used with Audio Definition Model EBU Object-based Audio Seminar, Geneva, 18 th May 2017 7

Composition UMCP mapping to ADM Sequence audioProgramme audioContents audioObjects audioObject audioObject audioPack (audio) audioBlocks (metadata) t EBU Object-based Audio Seminar, Geneva, 18 th May 2017 8

Metadata flow EBU Object-based Audio Seminar, Geneva, 18 th May 2017 9

Pre-production interface Captures: • Programme information (title, description etc.) • Running order • Names of contributors • Music playlist • Sound clips EBU Object-based Audio Seminar, Geneva, 18 th May 2017 10

Pre-production interface Running Order Tool Woman’s Hour 00:00 Shakira Martin 08:20 Embryo ‘Adoption’ in the US Annotate Script Item Shakira Martin is the new President of the National Union of Students. Shakira joins Jane to discuss the challenges and triumphs of her career, and why she’s so proud to call herself a “Black single mother from a working-class family.” 08:50 Annotation Annotate 16:04 Music Item 25:04 Coaching Women’s Sport – Adapting to Female Sporting Needs EBU Object-based Audio Seminar, Geneva, 18 th May 2017 11

Audio control interface • Configures objects • Assigns identities, labels • Defines interactivity • Sets gain and position of objects • Metering of inputs and rendered output • Triggers music/sound clip playback EBU Object-based Audio Seminar, Geneva, 18 th May 2017 12

Audio control interface EBU Object-based Audio Seminar, Geneva, 18 th May 2017 13

Audio control interface EBU Object-based Audio Seminar, Geneva, 18 th May 2017 14

”The Mermaid’s Tears” • Object-based radio drama • Commissioned by and written especially for Orpheus LIVE! • Accessible through a web browser • Binaural and VBAP speaker rendering using Web Audio API • Multiple storylines - follow one of three characters • Image triggering • Available in early July EBU Object-based Audio Seminar, Geneva, 18 th May 2017 15

”The Mermaid’s Tears” EBU Object-based Audio Seminar, Geneva, 18 th May 2017 16

Thank you for your attention! Find us at www.orpheus-audio.eu Twitter: ORPHEUS_AUDIO Acknowledgment : The research conducted by ORPHEUS receives funding from the European Commission H2020 programme under Grant Agreement N o 687645. The European Commission has no responsibility for the content of this presentation. EBU Object-based Audio Seminar, Geneva, 18 th May 2017 17