towards accessible total conversation presentation for the citizens with special needs track in...
TRANSCRIPT
Towards Accessible Total Conversation
Presentation for the Citizens with special needs track
in Ministerial conference on
knowledge and information society
Lisbon, April 2000Gunnar Hellström, Omnitor AB
Rapporteur in ITU-T Q9/16:
”Accessibility to Multimedia”
For Ericsson
Video telephony
Text telephony
Voice telephony
Total Conversation for all in video, text and voice.
Total Conversation combines features of video telephony, text telephony and voice telephony
A standardised concept for telecommunication for all.
Tal
Teckenspråk
Example of a Total Conversation user interface
Voice
Sign language
Also for Text Telephony
Text in videocall.
Typical use with hard-of-hearing user
Hard-of-hearing Hearing
Voice
Speech-reading
Text when needed
Typical use with speech-impaired user
Speech impaired Hearing
Text
Voice
Video for agreeing, turn taking and better understanding
Voice for conversation
Typical use between deaf and hearing users
Deaf Hearing
Text for the conversation
Video for recognition
Typical use between deaf users
Deaf DeafVideo for Sign Language
Text for phone numbers, addresses …
Typical use between hearing users
Hearing Hearing
Voice
Text for for names, addresses
Use of video relay services
Deaf Video Relay Service HearingSign Language
Voice
Text for phone numbers
Use of text relay service with simultaneous voice
Deafened Text Relay Service Hearing
Text Voice
Voice
The Text Telephone standard V.18harmonizes text telephony.
USA, Ireland, Australia
USA
Holland
Italy, Switzerland, Germany, Austria
France, BelgiumThe whole world.
Finland, Denmark, Norway, Sweden, UK
V.18 forms the bridge to new environments
Total Conversation standardisation
Started in Europe in ETSI HF from COST 219 and COST 220 1993, and USA from Gallaudet University. Decisions in ITU 18 Feb. 2000 made the standard family completeThe activity center: ITU-T S616 Multimedia systems and services. Question 9 :Acessibility to Multimedia 1997-2000
Rapporteur 1997-2000: Gunnar Hellström
Total Conversation -a standard family for all networks
V.18
Text telephony
Transparent
Equal-izers
T.140
PSTN
H.223
V.34/V.80
AL1 H.245
H.324
T.140Voice
andvideo
PSTN
H.221
Networkaccess
H.320
H.224
T.140Voice
andvideo
ISDN
H.323 / SIP
Networkaccess
T.140Voice
andvideo
IP
H.324Mobile system
H.223
Mobiletransmission
Voiceand
video
AL1 H.245
T.140
MOBILE
TCP/
H.323 / SIPMobile system
RTP
Mobiletransmission
Voiceand
videoT.140
MOBILE IP
T.124GCC
T.134
T.120 Dataconferencing
T.123
T.140
H.248 Annex F. Gateway for text, voice and video
Ready Ready Ready Ready
Determined – Work continues
Ready
RTP
DATA
RTPTCP/ RTPTCP/ RTP
Started
Total Conversation and textphone harmonization
Availability1999 First standardised Total Conversation terminal with T.140 and V.18 available.1999 Interpreter centre offers Total Conversation distance interpretation2000 V.18 based Virtual Text Network Announced in UK2000 Major text telephone vendor in USA announced semi V.18 text telephone
Mobile networks is next field of action
Mobile Total Conversation
Interworking with the existing and emergingforms of text conversation is the key to success
Standardisation, needed for successful service
establishment
Co-operate in creating standards for interworking
Compete with the smartest implementation of the standards
Society support
In resolution on Sign Language B4-0985/98, the European Parliament ”Calls on the commission to introduce a proposal for framework legislation to ensure compatibility of telecommunications text and videophone equipment for deaf people across Europe.”
Total Conversation can be the technical response on that request.
Proposals
Support forPilot implementations and trialsFurther standardisation as needs ariseRelay service establishmentKnowledge dissemination for future
interworkingProcurements requiring the standards