New Media & Language Technologies Jozef Stefan International Postgraduate School January Speech apps. Jerneja Žganec Gros

Transcription

1 New Media & Language Technologies Jozef Stefan International Postgraduate School January 2005 Speech apps Jerneja Žganec Gros

2 THE VOICE WEB The voice web offers access to information and services (to companies, ICT networks) via a telephone.

3 The telephone is everywhere 241 M connected PCs 20 M wireless web devices telephones 1.3 billion billion Sources: IDC, Yankee Group

4 Voice Web evolution 2001 NG telephone Universal remote control Voice dialtone Q st wireless voice portal Q2 00 1st voice portal Q4 99 Voice Web defined Q4 98 V-Commerce defined Q st speech application

5 Market size Market size estimate in the voice ecosystem" in 2005: $12 billion Voice web users in USA (millions) Source: The Kelsey Group 2000

6 Parallels: Internet and Voice Web Mode of Input Mode of Output Navigation/Interface Aggregator Content Markup Language Component Technology Security PC/Keyboard Screen Browser Portal Website HTML JavaBeans/COM Passwords Phone/Voice Audio/TTS Voice Browser Voice Portal Voice Site VoiceXML SpeechObjects Voiceprints

7 Voice Web applications Portal V-Commerce Enterprise Finance Telco Dialtone Voice Portal services Travel Messaging Access to internet contents Commerce Directory CRM

8 Applications carrier grade Portal Universal Search News Weather Stock info Voice dialling Voice mail IM Person Enterprise Content

9 Voice portal MXML skripta VXML skripta Nadzor MXML parser jedro VXML pars er jedro Avtomat stanj Avtomat stanj Arhiv govornih signalov Dialo g Povezovalnik Sintetizator WWW dostop dostop SMS dostop Telefonski vmes nik Razpoznavalnik

10 XML application script <?xml version="1.0" encoding="utf-8"?> <!-- DOCTYPE dialog (View Source for full doctype...) --> <!-- ********************************************** --> <!-- Alpineon sample MXML Code --> <!-- (C) Copyright Alpineon, Ltd. 2004, All rights reserved. --> <! This Sample Code is provided for reference purposes only --> <! and carries no warranties whatsoever. Use of this code is --> <! restricted to use in connection with the Alpineon VAP --> <dialog> <state id="start"> <phone> <answer /> </phone> <wait>10</wait> <phone> <play>hallo.wav</play> </phone> <goto>ready</goto> </state> <state id="ready"> <event cond="dtmf=1"> <assign>song=1</assign> <goto>playm</goto> </event> <event cond="dtmf=2"> <assign>song=2</assign> <goto>playm</goto> </event> <event cond="dtmf=3"> <goto>end</goto> </event> <wait>100</wait> <phone> <play>instructions.wav</play> </phone> <wait>100</wait> </state>

11 Applications: dialog systems Speech recognition Speech understanding Speech authentication Speech synthesis My account status, please. Action: Order Type: account info VoicePrint Stanje na Vašem TR je SIT. Accuracy Intelligence Security Naturalness Voice browser

12 Applications: dialog systems System: Dober dan. Tukaj avtomatski System za letalske informacije Adrie Airways. Kakšno informacijo potrebujete? Client: Jutri popoldne bi rad letel v London. System: Želite leteti v sredo, 23. aprila, med 12. in 19. uro? Želite leteti za London. Od kod leteti? Client: Iz Ljubljane. System: Želite leteti iz Ljubljane? Client: DA. System: Za London letite v sredo, 23. aprila, iz Ljubljane, ob 14:10. Prihod v London ob 15:25. Ali naj ponovim? Client: NE. System: Želite dodatne informacije? Client: Hvala. NE. System: Adijo.

13 Unified unified access to different types of transformation between message types: voice v-mail fax SMS voice

14 SMS2Voice

15 2voice automatic reader: telephone access to replies to s automatic language identification web administration Glasovna e-pošta (Mobitel d.d.)

16 2voice System: Dobrodošli v Systemu za branje elektronske pošte. Prosimo, vtipkajte geslo in pritisnite lojtro.. Imate eno novo sporočilo. Pritisnite ena, če želite poslušati nova sporočila, pritisnite dve, d če želite poslušati že slišana sporočila. Prvo sporočilo, prejeto v torek, 28. maja, ob Pošiljatelj: Jerneja Gros Zadeva: Glasovni bralnik E-pošteE Vsebina sporočila: Spoštovani! Poslušate predstavitev avtomatskega bralnika elektronske pošte. System omogoča telefonski dostop do vaše elektronske pošte preko poljubnega telefona. Lep pozdrav in veliko zabave ob testiranju nove storitve. Jerneja Gros..

17 2voice menues: news messages old messages user settings message handling: goto next phrase goto previous phrase goto start of message goto previous message goto next message reply to the message delete message

18 User opinions 2004 Voice Web Study This sounds too too good to to be be true. true. Much value! It It would open up up new new and and wonderful things to to me. me. technology like like this this is is the the future Lets me me be be more productive, be be in in contact with with important information. Saves me me time. I I could produce better quality work. Source: Informative Research November 2004

19 New Media & Language Technologies Jozef Stefan International Postgraduate School January 2005 Speech apps THANK YOU FOR YOUR ATTENTION!