1
Òpera Oberta
Open Opera The opera at the university
Xavier Carreras Díaz
2

• INDEX

• Gran Teatre del Liceu
• Òpera Oberta Project
• The opera as a subject
• Joint management
• Academic
• Technical
• Technical Description
• Audiovisual production
• Broadcasting
• University decoding
• Plans for the near future

3
The Barcelona opera houseGran Teatre del Liceu

• Barcelonas Opera House from 1856

Rebuild at 1999
Equipped with the last audiovisual technology
Connected to main internet networks
We think in technology as a new way to arrive to
new audiences
4
Òpera Oberta Project

• The opera as a subject
• Joint management
• Academic
• Technical
• Technical Description
• Audiovisual production
• Broadcasting
• University decoding

5
1- The opera as a subject

• Attending to five Liceus season operas

Attending to an opera introduction seminar
Attending to a conference about the opera
A web site www.opera-oberta.org with
complementary materials
A final evaluation test
Each university is free to define the course
development.
6
2- Joint management

• Academic management

• Previous seminar scripts
• Organizing conferences
• colaboration in subtitles translation

Annual academic meeting
Technical management

• Test sessions
• Dress rehearsal

7
3- Technical Description

• Audiovisual production
• Broadcasting
• Encoding
• Network topology
• University decoding

8
3- Technical Description

• Audiovisual production

VIDEO
AUDIO
SUBTITLES
9
3- Technical Description
Broadcasting

• DVB

Multicast
H.264/AVC
PIM-SM
Bitmap Subtitles (multilingual)
10
3- Technical Description
OPERA OBERTA SERVICE
MPEG-2 MPEG-4 part 10
MPEG-2 SD
LevelProfile MP_at_ML HP_at_L3
Resolution 720x576 720x576
Video Bitrate 8 Mbps 2.5 Mbps
Subtitles SD bitmap
Subtitles Cast / Cat / Fre / Port / Gae
Previous seminar (Audio) MPEG1 Layer II
Previous seminar (Audio) 384 Kbps x (CastCatFrePort)
Opera 640 Kbps - Dolby (5.1)
BITRATE gt10 Mbps lt5 Mpbs
11
3- Technical Description
Broadcasting TOPOLOGY
12
3- Technical Description
Broadcasting TOPOLOGY
13
3- Technical Description
Broadcasting TOPOLOGY
14
3- Technical Description

• University decoding

• Mutlicast Enabled (15 Mbps)
• Network control to avoid unspected load on local
  net

• One standard PC and smart card reader (Windows
  XP)
• Decoding software (VLC)
• Smart card and decryption software
• Projector and projection screen
• Stereo or Dolby Digital 5.1 sound equipment

• Technical operator (PC - Chat room)

15
Plans for the near future

• Media Techcnologies
• STB
• Dbeacon
• Web
• More lengauages

16
3- Technical Description
Broadcasting
17
3- Technical Description
OPERA OBERTA SERVICE
MPEG-2 MPEG-4 part 10 MPEG-4 part 10
MPEG-2 SD HD
LevelProfile MP_at_ML HP_at_L3 HP_at_L4
Resolution 720x576 720x576 1080ix1920
Video Bitrate 8 Mbps 2.5 Mbps 6-8 Mbps
Subtitles SD bitmap HD bitmap
Previous seminar (Audio) MPEG1 Layer II AAC
Opera (Audio) 640 Kbps - Dolby (5.1) 640 Kbps - Dolby (5.1)
BITRATE gt10 Mbps lt5 Mpbs lt10 Mbps
18
Demonstration
Lets try to receive some contents from liceu. Now
I have the VoD device with special IP
configuration to use the web control interface
from here. For today, I use a unicast connection,
cos only us will be receiving. This contents have
hd resolutions, anb in-vision subtitles. Lets
evaluate it for a minuts.
Trieste
Barcelona
19
Contact
Contact

• Xavier Carreras
• Òpera Oberta technician
• Xavier.Carreras_at_liceubarcelona.cat