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227-0678-00L 6 Credits DS , MSC D-ITET , D-INFK

Speech Processing II

Sprachverarbeitung II

Lecturers & Examiners: Beat Pfister
VVZ CR n/a

Last Updated: 2026-02-05 15:29:31

Abstract

Interdisciplinary approaches to text-to-speech synthesis and speech recognition (continuation of course speech processing I).

Objective

In this course selected concepts and interdisciplinary approaches to text-to-speech synthesis and speech recognition are presented.

Content

Fundamentals of representation and application of linguistic knowledge: Introduction of the theory of formal languages, the Chomsky hierarchy, word analysis, finite state machines, parsing. Speech synthesis: Natural language analysis (for words and sentences), lexicon, grammar for natural language; generation of the abstract representation of pronunciation (phone sequence, accents, phrases). Additionally, the ETH text-to-speech system SVOX is discussed. Speech recognition: The statistical approach to speech recognition with hidden Markov models is detailed: Basic algorithms (forward, Viterbi and Baum-Welch algorithm), problems of implementation, HMM training, whole vs. subword modeling, isolated word recognition, continuous speech recognition, statistical and rule-based language models.

Resources

Lecture Notes

Yes (available at the assistence in ETZ D97.5)

General Information

Language
German
Levels
DS , MSC
Frequency
Yearly recurring

Examination

Type
session examination
Mode
oral 30 minutes

Course Components

Type Title Time & Place Hours
lecture with exercise Sprachverarbeitung II
  • Fri 13:15-17:00 (ETZ E 8)
4 h weekly

Offered In