Internet Radio Harmonised Metadata Andy Giefer - Artistic Engines | - - PDF document

Andy Giefer - Artistic Engines | Founder IMDA Technical Chairman IFA 2011 TecWatch Forum, September 2011

Internet Radio

Harmonised Metadata

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

What does it do?

Broadcaster describes Live Internet Radio Services

• Organisation
• Programmes (= Brands)
• Technical Parameters (= Transports)

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IMDA Metadata Brands Organisation Transports

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IMDA Metadata Brands Organisation Transports Terms Title Description Links Tags Genres Intended Audience Editorial Format Logos Location Footprints

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IMDA Metadata Brands Organisation Transports ID Type Title Description Links Tags Genres Intended Audience Editorial Format Logos Location Spoken Brand

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IMDA Metadata Brands Organisation Transports Brand ID Transport Type External Link Media Type Method Stream Footprint URL, ... Transport Container

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http://www.imdalliance.org/metadata/spec/serviceid/v2.1.1/

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http://www.imdalliance.org/imda-service-identification/

Join the crowd - it‘s free!

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Describing the Organisation

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Describing the Organisation

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Example - WDR

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Roadmap – Further Ahead

• EPG, on-demand, broadcast signalling, RadioDNS
• Visualisations… (synchronous data services)
• slideshow, livetext, now + next
• Social listening (including 'tagging')
• Personalisation
• Listener measurement

Andy Giefer, http://www.artisticengines.com

http://www.imdalliance.org/imda-service-identification/

Join the crowd - it‘s free!

Andy Giefer, http://www.artisticengines.com

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

How it works

Broadcaster A Aggregator 1

Device Family 1X

D D D ...

Device Family 1Y

D D D ...

!

CDS

XML Andy Giefer, http://www.artisticengines.com

How it works

Broadcaster A Aggregator 1

Device Family 1X

D D D ...

Device Family 1Y

D D D ...

!

CDS

! XML Andy Giefer, http://www.artisticengines.com

How it works

Broadcaster A Aggregator 1

Device Family 1X

D D D ...

Device Family 1Y

D D D ... CDS

! XML Andy Giefer, http://www.artisticengines.com

How it works

Broadcaster A Aggregator 1

Device Family 1X

D D D ...

Device Family 1Y

D D D ... CDS

XML Andy Giefer, http://www.artisticengines.com

How it works

Broadcaster A Aggregator 1

Device Family 1X

D D D ...

Device Family 1Y

D D D ... CDS

XML Andy Giefer, http://www.artisticengines.com

XML

How it works

Aggregator 1 CDS

Device Family 1X

D D D ...

Device Family 1Y

D D D ... Broadcaster A Aggregator 2

Device Family 2X

D D D ...

Device Family 2Y

D D D ... Broadcaster B

XML

Broadcaster C

XML

Broadcaster D

XML XML Andy Giefer, http://www.artisticengines.com

CDS: In Development

• Is developed, now in test
• To be launched in 2011
• Free for media organisations
• Small fee for aggregators

Andy Giefer, http://www.artisticengines.com

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

Technical Details

• 1. IMDA Metadata
• 2. Central Discovery Service
• 3. Device Profile 2

Andy Giefer, http://www.artisticengines.com

Profile Roadmap (working titles)

Video Colour Interactive Rich Audio Base (Profile 1)

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Display browseable lists Play audio live streams Receive directory updates MP3 support WMA support Playlist support HTTP Redirection Handling of stereo streams

1 2 3 4 5 6 7 8

Reminder: Profile 1 (,Basic‘)

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Container Transport

MP3 WMA HTTP MP3

Codec

Live Audio: Profile 1 (mandatory)

ASF

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HE-AAC MPEG Surround* MP3 Surround*

Container Transport

MP3 WMA ADTS HTTP MP3

Codec

Live Audio: Profile 2 (mandatory)

ASF

*Surround-capable devices only

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HE-AAC on the Rise

HE-AAC

• > 20% of all Internet Radio streams use HE-AAC
• > 90% of all mobile streams are (HE-)AAC
• Example: BBC makes heavy use of AAC family

IMDA-internal statistics

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Remote Audio Playback (mandatory)

Give access to latest news, radio plays, features

• Codecs: MP3, WMA or HE-AAC
• Containers: MP3, WMA, MP4 or M4A
• Transport: progressive download via HTTP

IMDA Metadata XML points at corresponding feeds and files

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HE-AAC MPEG Surround MP3 Surround ADTS transport Audio Playback: MP3, WMA, MP4, M4A Wi-Fi protected setup (WPS) Media Player Support: DLNA Search, Favorites, AoD presentation

1 2 3 4 5 6 7 8

Summary: Profile 2 (,Rich Audio‘)

Andy Giefer, http://www.artisticengines.com

HE-AAC MPEG Surround MP3 Surround ADTS transport Audio Playback:MP3, WMA, MP4, M4A Wi-Fi protected setup (WPS) Media Player Support: DLNA Search, Favorites, AoD presentation

1 2 3 4 5 6 7 8

Summary: Profile 2 (,Rich Audio‘)

Mandatory Recommended Suggested

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Repeat

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Thank You!

www.imdalliance.org twitter.com/imda claudia.jablonski@imdalliance.org

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