1. Thomas Krippgans Email: Thomas.Krippgans@Temic.de Tel.: + 49 731 3994 106 FAX: +49 731 3994 251 Natural Voice Recognition

2. May 2000Krippgans R & D Speech Processing TelecommunicationAutomotive T EMIC 5.300 Employee $ 800 Mio. turn over Embedded

3. May 2000Krippgans Locations, Employees, Capabilities in Speech Processing Auburn Hills : 1 employee Sales 10 Key Account Ulm -TEMIC: 75 employees Acoustics Voice Recognition Dialog Design Integration Ulm -DC RC: 35 employees Acoustics Recognition (NLU) Synthesis Verification Text Interpretation Bangalore : 4 employees autm. Transcritption Palo Alto : 40 employees Telematics Communication systems Speech Recognition Mobile Internet

4. May 2000Krippgans TelecommunicationAutomotive Embedded Systems DB Deutsche Bahn Toshiba In 1999 about 12.000 PortsIn 1999 about 75.000 Units Thomsonmultimedia Launching Customer Belinguasoft-CAD Systems THB Bury Tobit

5. At the beginning is: “Dada”

6. May 2000Krippgans Natural Voice Dada iiiiiii

7. May 2000Krippgans Natural Voice Papa 8-) 8-) 8-)

8. May 2000Krippgans In age of 7 to 10 month kids start to move their lower jaw In age of 7 to 10 month kids start to move their lower jaw every of them, in over more than 27 different languages, use every of them, in over more than 27 different languages, use “Dada” “Mama” “Gogo” as the common words “Dada” “Mama” “Gogo” as the common words this kids use the so called Protowords will be find in all languages this kids use the so called Protowords will be find in all languages Natural Voice

9. May 2000Krippgans Natural Voice ? ? ! ! ?? To be or not to be that’s the question !?

10. May 2000Krippgans For applications in the world of Service Provider using Natural Language Recognition on thing is importand: Transaction Success Rate (TSR) Transaction Success Rate (TSR) Natural Voice Recognition

11. May 2000Krippgans... and the system picks key words (word spotting). “I would like to record a message”... and the system picks key phrases (phrase spotting). “Tomorrow I would like to go from Ulm to Munich ” What is Natural Language Understanding? Some definitions: The user can say anything she/he wants... “Do I have a new message?” vs. “I would like to record a new message”... and the system recognizes all words and attempts to understand them. (Word Hypothesis Graph and Parser from Temic )

12. May 2000Krippgans speech signal recognition result parsing result Natural Language Understanding

13. May 2000Krippgans Results from a Field Trial Support Hotline System; Experience from the ACCeSS Project (EU founded) Support Hotline System; Experience from the ACCeSS Project (EU founded) A incoming call routing system A incoming call routing system Natural Language Recognition 2nd Generation (Parsing and NLU Dialogmanager) Natural Language Recognition 2nd Generation (Parsing and NLU Dialogmanager) Evaluation of 1.500 Dialogues during a three months field trial Evaluation of 1.500 Dialogues during a three months field trial Installed in a Call Center enviroment Installed in a Call Center enviroment

14. May 2000Krippgans We evaluated 1,528 dialogues with 9,159 recorded utterances, 12,886 total words We evaluated 1,528 dialogues with 9,159 recorded utterances, 12,886 total words Dialogue Duration 70 sec Dialogue Duration 70 sec Hang-Ups 13 % Hang-Ups 13 % Average Success Rate 97 % Average Success Rate 97 % Results from a Field Trial

15. May 2000Krippgans Spoken Language Dialogue Main components of spoken language dialogue systems recognition acoustic data ASCII understanding information, meaning dialogue planning next dialogue step

16. May 2000Krippgans ACDACD Database server Operator Line Interface System Control Speech Synthesis Dialogue Manager Database Interface Speech Recognizer LAN User Call Center Integration

17. May 2000Krippgans How many Users are Out There?

18. May 2000Krippgans Solutions for huge subscriber bases StarRec KXL (PCI/cPCI) 16 ASR Ports == 240 ASR Ports 30Server == 2.400 ASR Ports ==

19. May 2000Krippgans Speech Recognition Solution (High Integrated NLU) - 19 inch slide- in module - up to 240 ports NLU; good for 600 telephone ports - comfortable maintenance - a way to design huge systems

20. May 2000Krippgans Tool‘s GDS (Grammar Design Software)

21. May 2000Krippgans No Transaction Success Rate Dada iiiiiii ?