Automatic Speech Recognition (ASR): 2014/15

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Review and Tutorial Articles

Syllabus 2014/15

03-Sep-2014: This currently links to last year's slides. Subject to change!

Lecture No.DateWeekLecturerTopic and slidesReading
1Mon 12 January 1RenalsIntroduction to Speech Recognition (slides) J&M: chapter 7, chapter 9 (9.1 - 9.3)
R&H review chapter
2Thu 15 January 1ShimodairaSpeech Signal Analysis 1 (slides) J&M: Sec 9.3
Taylor, chapters 10, 12
3Mon 19 January 2ShimodairaSpeech Signal Analysis 2 Hermansky (1990), PLP analysis of speech
4 Thu 22 January 2 ShimodairaAcoustic modelling basics: HMMs and GMMs 1 (slides-4up,slides) J&M: Secs 6.1-6.5, 9.2, 9.4
G&Y review
R&H review chapter
Rabiner & Juang (1986) Tutorial
5Mon 26 January 3ShimodairaAcoustic modelling basics: HMMs and GMMs 2
6Thu 29 January 3RenalsContext-dependent phone modelling with HMMs 1 (slides) Young (2008)
Lee (1990) Context-dependent phonetic hidden Markov models for speaker-independent continuous speech recognition
7Mon 2 February 4RenalsContext-dependent phone modelling with HMMs 2 Young & Woodland (1994) State clustering in hidden Markov model-based continuous speech recognition
Young et al (1994). Tree-based state tying for high accuracy acoustic modelling,
Thu 5 February 4ShimodairaIntroduction to Assignment 1 Assignment 1: continuous speech recognition
Thu 5 February 4Lab session (17:00)
8Mon 9 February 5RenalsLexicon and language model (slides) J&M, Ch 4
Manning & Schutze, Ch 6
Mon 9 February 5Lab session (17:00)
9Thu 12 February 5ShimodairaSearch and decoding (slides) Aubert (2002) An overview of decoding techniques for large vocabulary continuous speech recognition
Thu 12 February 5Lab session (17:00)
Mon 16 February 6 No Lecture - Innovative Learning Week
Thu 19 February 6 No Lecture - Innovative Learning Week
10Mon 23 February 7Renals Intro to neural networks (slides) Multi-layer neural networks
Morgan & Bourlard (1995), Continuous speech recognition: An introduction to the hybrid HMM/connectionist approach
Mon 23 February 7Lab session (17:30)
Wed 25 February 7Assignment 1 Deadline (16:00)
11Thu 26 February 7Renals(Deep) neural network acoustic models (slides) Hinton et al (2012), Deep neural networks for acoustic modeling in speech recognition: The shared views of four research groups
Mon 2 March 8RenalsIntroduction to Assignment 2 Assignment 2: literature review
12Thu 5 March 8Renals Neural network language models (slides)Bengio et al (2006), Neural probabilistic language models(Secs 6.1, 6.2, 6.3, 6.7, 6.8)
Mikolov et al (2011), Extensions of recurrent neural network language model
13Mon 9 March 9RenalsSpeaker adaptation 1 (slides) G&Y review, sec. 5
Woodland (2001), Speaker adaptation for continuous density HMMs: A review
Wed 11 March 10Assignment 2 Deadline (16:00)
14Thu 12 March 9RenalsSpeaker adaptation 2
15Mon 16 March 10RenalsDiscriminative training of GMM-based systems (slides) Young (2008), sec 27.3.1
16Thu 19 March 10Case study: transcribing TED talks (slides)

Schedule

Closer to the exam we are very happy to arrange a revision lecture at a time convenient to everyone. The point of this lecture will be to answer and discuss any questions about the course.

Coursework

There are two pieces of coursework.

  1. Assignment 1: continuous speech recognition - monophone and triphone models. The coursework will involve training and testing a continuous speech recognition system using the HTK software. We'll use the WSJCAM0 database (British English recordings of speakers reading the Wall Street Journal sentences).
    Released: Monday 2 February 2014
    Deadline: Wednesday 25 February 2014, 16:00
    Feedback: Wednesday 11 March 2014
    Report templates:
  2. Assignment 2: literature review.

    Released: Thursday 26 February 2014
    Deadline: Wednesday 11 March 2014, 16:00
    Feedback: Wednesday 25 March 2014
    Report templates:

School of Informatics coursework policies:


 
 
 


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