Key Points for a Successful Migration

Fikriye BERKER

Chief Engineer, TRT-SAS

• Evolution of TRT Archives

• Reasons for Migration of TRT-SAS

• Comparison of Old and New Systems

• General Workflow of the Current System

• Migration Steps & Problems

• Some Key Points for Proper Migration

• Conclusions

1927 : The first radio station

1968 : TV broadcasting

• 180.000 hours video,

• 120.000 hours audio,

• 25.000 image

1 inch, Betacam-SP, DigitalBetacam, D3, 16 mm & 35 mm film, tape formats etc..

Robotic Tape Library

LTO-6 cartridges

• Central Broadcast Archive Department was established2001

• Decision on Metadata schemes and workflow design2002

• First generation MAM System was installed,

• Digitization started with 8 channel ingest stations, rough cut outgest

capability, LTO-2 tape technology

• Highres , lowres quality and keyframes, Detailed Cataloging andsubclipping, Available for intranet users, Tape Library without back up

2004 -

2009

Increasing costs of system maintenance,

( every 5 years hardware becomes out of date)

Need of new functions such as;

automated qc,

watermarking,

increasing process capabilities,

multi format support,

integration with other systems

batch operations

etc..

First Digital Archive

SystemSecond Digital Archive System

Video Archive Video + Audio + Image + Document Archive

Only SD format Support SD + HD support with different bitrates

Only Casette Ingest Casette Ingest + File Ingest + Integration with other Systems

--- Editing different formats consecutively in the same EDL

--- Quality Control of the material

--- Watermarking on outgest

---Batch operations (Request as a group of materials in one step

etc.)

--- Restoration Functions

---Metadata Copy from one material to another and Batch

Cataloging

--- Reporting tools for each action

---Integration of other TRT areas/locations: News, Postproduction,

Istanbul etc …

--- Define different authorization level users (integrated with LDAP)

--- Off-site tape library back-up with a capacity of 100.000 hours

Watermarking

Cataloging+Search+EDL+Playout

Tape Library with Back up

Quality Control

Ingest from Cassette

File + metadata

File or Cassette Outgest

TRT-Eğitim

Yenimedya-TRT

TRT-Dış Kaynak

TRT-İstanbul

TRT-İzmir

•Detailed Archive Form

•Add/delete keyframes

•Creating scene/clip

•Detailed cataloging

Productor

Search results EDL – Rough cut edit High

quality

play out

45.000 clips outgested as file.

250 programs recorded to cassette.

1.700 clips transfered directly to News Server via integration of the systems.

Transfer as files

Transfer as cassettes

16mm and 35 mm Film Digitalisation Workflow

(Debrie Telecine (SD and HD ) / Kolibri Software / Diamant Restoration)

•Cleaning and Repairing

•Digitalization (SD or HD)

•Basic Colour Correction and Restoration

•Detailed Restoration (Automatical and frame by frame)

Check your ;

◦ Archive Formats (Video SD / HD / 2K / 4K , Audio, Image, Document etc.)

◦ Input and Output Formats.. ( only one format support ? / Multi Format Support ? )

◦ Ingest Flow ( only capture? / File ingest? / Integration with other systems? )

◦ Overall Workflow (interfaces, mandatory fields, user rights etc..)

◦ Cataloging Rules (Detailed Forms / Subclips / Form Copy ?)

◦ Review Roles and Authorization

◦ User interfaces, workflows, metadata fields and value lists should be able to be

modified by the system admin

Check your ;

Metadata Fields, Valuelists, classifications etc.

If needed, change metadata models and thesaurus

Update your valuelist

Check possible fields which may change (like Department Names)

If needed, Make Mapping of the values

(ex: News Department News and Sports Department etc.)

During Migration Correct Spelling Mistakes (studetn, stundent etc.. Student)

As a result; Clean metadata before or after the migration,

After Installation of Hardware and Software, you can start migration

Current system should be UP and RUNNING

Keep your Database Admin until the Project finishes

Take a detailed Report for Archive data, open flows and closed flows

Study Database for current flows and metadata

Migrate a small amount of archive material & test it

Correct the mistakes, try again..

Test always with real material & real users

Migrate the current MAM system: Highres and Lowres Media, Keyframes, Cataloging and Metadata

TRT Migration : 50.000 workflows, 20.000 assets of 11.000 hours with cataloging information and

metadata have been migrated

Format Problems

Standarts are not standart ..

Incompatible codes create problems

You may need normalization

It takes a long time to copy between systems

And normalization also takes a long time

Duration of migration depends on the number of drives

Keyframe Problems

Be careful about;

◦ Both systems keep keyframes as timecode or picture?

◦ Both systems keep timecodes as frame or miliseconds?

◦ Both systems uses 24 frames or 25 frames for one second

Audio channels problems

Check if you can hear audio channels seperately

Web based systems face problems with browser updates

New system should be compatible with such updates

User resistance : New Interfaces

◦ Archiving

◦ Cataloging

◦ Search

◦ Outgest interface changes

Training of Users: Takes time

◦ Technical Staff

◦ Archivist

◦ Catalogers

◦ Managers

Each system should be UP until acceptance

Until the end of project, all additional data also should be migrated

Clearly define everthing (formats, media workflows, integrations etc.) in the tender

although it seems to be too detailed !!!

Expert knowledge in current MAM system is the key for a proper migration

(database, workflows, formats should be examined in detail by the integrator company. )

Preserving the data in the old MAM system is very critical

New functions brings more complexity.

User resistance and need of education

Technology does not stay as it is

TRT may need migration in 2 years to implement new Projects & Functions like ;

◦ Archive TV channel hosted by Archive Dept.

◦ Public access over the web Project

◦ Face recognition Project

◦ Speech to text Project

◦ 2 K / 4K format support

◦ Fast file transfer over long distance .. etc..

To achieve these projects, we have to adopt new technologies

◦ Users always requests new fuctions but old interfaces

◦ New functions brings complexity

◦ First system is also a migration from tape to robotics

◦ Users resist to the first system and then get used to it

◦ They will get used to the new one also

◦ Are you using computers? Internet? Mobile phones? Which you did not use 30-50

years ago? Can you give up them?

Fikriye BERKER

Chief Engineer, TRT-SAS

Archive Department

fikriye.berker@trt.net.tr