file-based workflows in television - terena · 2011. 10. 28. · file-based workflows in television...
TRANSCRIPT
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File-based Workflows in TelevisionTERENA - 5th TF-Media Task Force meeting & Workshop
Pedro Ferreira – [email protected]
In the beginning… everything was simple
Then man made it more… interesting.
Still, push only…Still, push only…
M lti l t ib tiMultiple contribution sources
Many distribution channelsMany distribution channels
MobileMobile
Web
VOD
Pull!
How did TV evolve to cope with this?
How is TV evolving to cope with this?How is TV evolving to cope with this?
Which formats?
Which workflows?
Which system designs?
Some time ago, television productionSome time ago, television production moved towards digital.
But handling uncompressed material was complex.
Broadcasting products startedBroadcasting products started using compression
t h ltechnology.
IT equipment performance increased and prices droppedincreased and prices dropped.
IT technology started to invade the professional market.p
It became clear that file-based production was the future.
But several incompatible file formats were in usewere in use.
1996
EBU/SMPTE T k FEBU/SMPTE Task Force for Harmonized Standards
for the Exchange of Programme Material as BitstreamsBitstreams
Essence
Not a single compression technology willNot a single compression technology will prevail
Systems must handle various formats
Metadata
A ne class of program related dataA new class of program-related data
Should be easily translated between systemsShould be easily translated between systems
Should be available electronically and linked to the essence
Content = Essence + Metadata
Need to proceed work on standards,p
namely on Essence and Metadata
Wrapperspp
Replace sneakernetsReplace sneakernetsand tapeand tape
With networks and filesWith networks and files
…but, what kind
of files?
Material eXchange Format
a standard file format for the interchange offor the interchange of
Essence and Metadata
Defined in SMPTE S377M
Expandablep
Coding format independentg p
Agnostic to metadata schemeg
Provides technical descriptionsp
Efficient
Useful for ingested or finished materialg
888
Picture Source Clip Picture Source Clip
Picture Source Clip
Sound Source Clip
Sound Source Clip
DM Segment DM Segment
I t d ti f T h lIntroduction of a new Technology
Euphoriap
Disillusionment
Real product and real work
Rockley Miller – Multimedia Monitor
Euphoria Disillusionment Real WorkEuphoria Disillusionment Real Work
“Once I have a file with a ‘.mxf’ extension, I will be able to use it anywhere...”
“It doesn’t work since each t does t o s ce eacproduct has its own MXF...”
Real products in the market today
interchanging with MXFinterchanging with MXF
Slow initial adoption, but backed by p ystrong vendors
Rise in adoption around 2007
Currently MXF is pervasive in production, post, archive, play-outp p p y
And in other industries…
STATE-OF-THE-ART:
CAPTURE AND POST FORMATSCAPTURE AND POST FORMATS
Professional Wrapperspp
Legacy: GXF LXF AVILegacy: GXF, LXF, AVI
Professional video formatsMPEG-2 I-Frame, Long GOP
DV variants
JPEG2000
AVC-Intra AVC Long GOPAVC-Intra, AVC Long GOP
ProRes and DNxHD
JPEG2000
Professional audio formatsPCMPCM
Multi-resolution Workflows
Hi-res
Proxies
S h ff li diti i /d iliSearch, off-line editing, preview/dailies
Typical Workflow:Typical Workflow:
News ProductionNews Production
Prepare rundown
Prepare story:Capture (ENG)p ( )
Ingest
R t di f hiRequest media from archive
Edit
Write script
Voice over
CG
Pl tPlayout
FROM ONE TO MANY,
TO ANY TO ANYTO ANY TO ANY
ContributionDedicated links
S t llitSatellite
IP-based: low-res high-resIP-based: low-res, high-res
ENGENG
Tape
Disk
SSD
Mobile, handheld devices
Oth SOther Sources
Archive
News Agencies
Stock footage
Internet
Distribution
Terrestrial
Satellite
CableCable
Web: Live & VODWeb: Live & VOD
M bilMobile
How is TV adapting to p g
these new challenges?these new challenges?
How to deal with today’s pace andHow to deal with today s pace and interactivity?
Agility
How to deal with multiple sources?
New interchange channels
Rewrap
T dTranscode
How to deal with multiple targets?p gWith different formats
With multiple languages
AccessibilityCl d tiClosed-captions
Audio-descriptionAudio description
Interoperable Master Format(IMF)(IMF)
AS-02
A t M tAsset Management&
Archiving
Most TVs have one or moreMost TVs have one or more
Media Asset Management systemsMedia Asset Management systems
MAMs are typically integrated with the archive
MetadataInsertion
Extraction
Interchange
Distribution
System DesignIncreased flexibility
N d l k iNo vendor lock-in
SOA
Thank youThank you
CONTACTSCONTACTSPedro Ferreira – pedro.ferreira@mog‐solutions.com