Helmer Strik

Orcid: 0000-0003-1722-3465

According to our database1, Helmer Strik authored at least 148 papers between 1989 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Reading Miscue Detection in Primary School through Automatic Speech Recognition.
CoRR, 2024

2023
Measuring the intelligibility of dysarthric speech through automatic speech recognition in a pluricentric language.
Speech Commun., March, 2023

Automatic Speech Recognition of Non-Native Child Speech for Language Learning Applications.
CoRR, 2023

Enhancing ASR-Based Educational Applications: Peer Evaluation of Non-Native Child Speech.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

Measuring Intelligibility in Non-native Speech: The Usability of Automatically Extracted Acoustic-Phonetic Features.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

Distinctive Features for Classifying Spoken Native Versus Non-Native Speech.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

Measuring Word Correctness in Young Initial Readers: Comparing Assessments from Teachers, Phoneticians, and ASR Models.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

Using Practice Data to Measure the Progress of CALL System Users.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

End-to-End Mispronunciation Detection and Diagnosis for Non-native English Speech.
Proceedings of the 9th Workshop on Speech and Language Technology in Education, 2023

Automatic Speech Recognition of Non-Native Child Speech for Language Learning Applications (Short Paper).
Proceedings of the 12th Symposium on Languages, Applications and Technologies, 2023

Assessing Intelligibility in Non-native Speech: Comparing Measures Obtained at Different Levels.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Automatic Assessment of Oral Reading Accuracy for Reading Diagnostics.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Alzheimer Disease Classification through ASR-based Transcriptions: Exploring the Impact of Punctuation and Pauses.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Automatic assessments of dysarthric speech: the usability of acoustic-phonetic features.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

An ASR-enabled Reading Tutor: Investigating Feedback to Optimize Interaction for Learning to Read.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

2022
Automatic Speech Recognition and Pronunciation Error Detection of Dutch Non-native Speech: cumulating speech resources in a pluricentric language.
Speech Commun., 2022

Negation Detection in Dutch Spoken Human-Computer Conversations.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Multilingual Transfer Learning for Children Automatic Speech Recognition.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

COVID-19 detection based on respiratory sensing from speech.
Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Improved ASR Performance for Dysarthric Speech Using Two-stage DataAugmentation.
Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

The Effects of Implicit and Explicit Feedback in an ASR-based Reading Tutor for Dutch First-graders.
Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Detection of COPD Exacerbation from Speech: Comparison of Acoustic Features and Deep Learning Based Speech Breathing Models.
Proceedings of the IEEE International Conference on Acoustics, 2022

Detection of Coughing and Respiratory Sensing in Conversational Speech.
Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies, 2022

2021
Deep learning architectures for estimating breathing signal and respiratory parameters from speech recordings.
Neural Networks, 2021

Automatic Selection of the Most Characterizing Features for Detecting COPD in Speech.
Proceedings of the Speech and Computer - 23rd International Conference, 2021

An ASR-Based Tutor for Learning to Read: How to Optimize Feedback to First Graders.
Proceedings of the Speech and Computer - 23rd International Conference, 2021

Spoken Conversational Agents for Older Adults: Who Are the Stakeholders and What Do They Expect?
Proceedings of the Joint Proceedings of the ACM IUI 2021 Workshops co-located with 26th ACM Conference on Intelligent User Interfaces (ACM IUI 2021), 2021

Take Back Control: User Privacy and Transparency Concerns in Personalized Conversational Agents.
Proceedings of the Joint Proceedings of the ACM IUI 2021 Workshops co-located with 26th ACM Conference on Intelligent User Interfaces (ACM IUI 2021), 2021

Speech Intelligibility of Dysarthric Speech: Human Scores and Acoustic-Phonetic Features.
Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

On The Relationship Between Speech-Based Breathing Signal Prediction Evaluation Measures and Breathing Parameters Estimation.
Proceedings of the IEEE International Conference on Acoustics, 2021

An ASR-based Reading Tutor for Practicing Reading Skills in the First Grade: Improving Performance through Threshold Adjustment.
Proceedings of the Fifth International Conference, 2021

Phoneme Based Respiratory Analysis of Read Speech.
Proceedings of the 29th European Signal Processing Conference, 2021

2020
Automatic Assessment of Sentence-Level Dysarthria Intelligibility Using BLSTM.
IEEE J. Sel. Top. Signal Process., 2020

BLISS: An Agent for Collecting Spoken Dialogue Data about Health and Well-being.
Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Digital Eavesdropper - Acoustic Speech Characteristics as Markers of Exacerbations in COPD Patients.
Proceedings of the 3rd RaPID Workshop: Resources and Processing of Linguistic, 2020

Dedicated Language Resources for Interdisciplinary Research on Multiword Expressions: Best Thing since Sliced Bread.
Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Constructing Multimodal Language Learner Texts Using LARA: Experiences with Nine Languages.
Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Towards a Comprehensive Assessment of Speech Intelligibility for Pathological Speech.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Analyzing Read Aloud Speech by Primary School Pupils: Insights for Research and Development.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Mobile-Assisted Prosody Training for Limited English Proficiency: Learner Background and Speech Learning Pattern.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

A Comparison of Acoustic and Linguistics Methodologies for Alzheimer's Dementia Recognition.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

ASR-Based Evaluation and Feedback for Individualized Reading Practice.
Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Speech Breathing Estimation Using Deep Learning Methods.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019
Acoustic correlates of speech intelligibility: the usability of the eGeMAPS feature set for atypical speech.
Proceedings of the 8th ISCA International Workshop on Speech and Language Technology in Education, 2019

Students' acceptance of MySpeechTrainer to improve spoken Academic English.
Proceedings of the 8th ISCA International Workshop on Speech and Language Technology in Education, 2019

Overview of the 2019 Spoken CALL Shared Task.
Proceedings of the 8th ISCA International Workshop on Speech and Language Technology in Education, 2019

Deep Sensing of Breathing Signal During Conversational Speech.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

2018
Speech training for neurological patients using a serious game.
Br. J. Educ. Technol., 2018

Overview of the 2018 Spoken CALL Shared Task.
Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

2017
Overview of the 2017 Spoken CALL Shared Task.
Proceedings of the 7th ISCA International Workshop on Speech and Language Technology in Education, 2017

Multi-Stage DNN Training for Automatic Recognition of Dysarthric Speech.
Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

2016
Prototype ASR-based Multimedia Game for Speech Therapy.
Proceedings of the 2016 ACM Workshop on Multimedia for Personal Health and Health Care, 2016

On the Development of an ASR-based Multimedia Game for Speech Therapy: Preliminary Results.
Proceedings of the 2016 ACM Workshop on Multimedia for Personal Health and Health Care, 2016

A Dutch Dysarthric Speech Database for Individualized Speech Therapy Research.
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016

A Shared Task for Spoken CALL?
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016

Combining Non-Pathological Data of Different Language Varieties to Improve DNN-HMM Performance on Pathological Speech.
Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016

Intelligibility of Disordered Speech: Global and Detailed Scores.
Proceedings of the 17th Annual Conference of the International Speech Communication Association, 2016

2015
Web-based mini-games for language learning that support spoken interaction.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2015

Becoming literate while learning a second language - practicing reading aloud.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2015

Confusability in L2 vowels: analyzing the role of different features.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

Auris populi: crowdsourced native transcriptions of Dutch vowels spoken by adult Spanish learners.
Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

2014
ASR-based CALL systems and learner speech data: new resources and opportunities for research and development in second language learning.
Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014

Dutch vowel production by Spanish learners: duration and spectral features.
Proceedings of the 15th Annual Conference of the International Speech Communication Association, 2014

2013
Development and Integration of Speech Technology into COurseware for Language Learning: The DISCO Project.
Proceedings of the Essential Speech and Language Technology for Dutch, 2013

Spoken grammar practice in an ASR-based CALL system.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2013

GOBL: games online for basic language learning.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2013

The digital instructor for literacy learning.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2013

Learners' situated motivation in oral grammar practice with an ASR-enabled CALL system.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2013

L2 syntax acquisition: the effect of oral and written computer assisted practice.
Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

Pronunciation errors by Spanish learners of Dutch: a data-driven study for ASR-based pronunciation training.
Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

2012
Human language technology and communicative disabilities: requirements and possibilities for the future.
Lang. Resour. Evaluation, 2012

The DISCO ASR-based CALL system: practicing L2 oral skills and beyond.
Proceedings of the Eighth International Conference on Language Resources and Evaluation, 2012

Practice and feedback in L2 speaking: an evaluation of the DISCO CALL system.
Proceedings of the 13th Annual Conference of the International Speech Communication Association, 2012

The effect of domain and text type on text prediction quality.
Proceedings of the EACL 2012, 2012

2011
Improving ASR processing of ungrammatical utterances through grammatical error modeling.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2011

Feedback in an ASR-based CALL system for L2 syntax: a feasibility study.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2011

Error Selection for ASR-Based English Pronunciation Training in 'My Pronunciation Coach'.
Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

Computer-assisted Grammar Practice for Oral Communication.
Proceedings of the CSEDU 2011, 2011

2010
Analyzing and identifying multiword expressions in spoken language.
Lang. Resour. Evaluation, 2010

Optimizing Automatic Speech Recognition for Low-Proficient Non-Native Speakers.
EURASIP J. Audio Speech Music. Process., 2010

Human Language Technology and Communicative Disabilities: Requirements and Possibilities for the Future.
Proceedings of the International Conference on Language Resources and Evaluation, 2010

Using non-native error patterns to improve pronunciation verification.
Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

Fluency in non-native read and spontaneous speech.
Proceedings of the DiSS-LPSS Joint Workshop 2010, 2010

2009
Comparing different approaches for automatic pronunciation error detection.
Speech Commun., 2009

Oral proficiency training in Dutch L2: The contribution of ASR-based corrective feedback.
Speech Commun., 2009

Developing a CALL system for practicing oral proficiency: how to design for speech technology, pedagogy and learners.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2009

The goodness of pronunciation algorithm: a detailed performance study.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2009

Utterance verification in language learning applications.
Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2009

Functional data analysis as a tool for analyzing speech dynamics - a case study on the French word c'était.
Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Optimizing non-native speech recognition for CALL applications.
Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Automatic detection of vowel pronunciation errors using multiple information sources.
Proceedings of the 2009 IEEE Workshop on Automatic Speech Recognition & Understanding, 2009

2008
The effectiveness of computer-based speech corrective feedback for improving segmental quality in l2 dutch.
ReCALL, 2008

Pronunciation reduction: how it relates to speech style, gender, and age.
Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

DISCO: development and integration of speech technology into courseware for language learning.
Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

2007
Validation of phonetic transcriptions in the context of automatic speech recognition.
Lang. Resour. Evaluation, 2007

Automatic phonetic transcription of large speech corpora.
Comput. Speech Lang., 2007

Comparing classifiers for pronunciation error detection.
Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

Structure-based and template-based automatic speech recognition - comparing parametric and non-parametric approaches.
Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

ASR-based pronunciation training: scoring accuracy and pedagogical effectiveness of a system for dutch L2 learners.
Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

Segment deletion in spontaneous speech: a corpus study using mixed effects models with crossed random effects.
Proceedings of the 8th Annual Conference of the International Speech Communication Association, 2007

2006
ASR-based corrective feedback on pronunciation: does it really work?
Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

Automatic phonetic transcription of large speech corpora: a comparative study.
Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

2005
Multiword expressions in spoken language: An exploratory study on pronunciation variation.
Comput. Speech Lang., 2005

Automatic detection of frequent pronunciation errors made by L2-learners.
Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

Multiword expressions in spontaneous speech: do we really speak like that?
Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2004
On automatic phonetic transcription quality: lower word error rates do not guarantee better transcriptions.
Comput. Speech Lang., 2004

Improving Automatic Phonetic Transcription of Spontaneous Speech Through Variant-Based Pronunciation Variation Modelling.
Proceedings of the Fourth International Conference on Language Resources and Evaluation, 2004

On the Usefulness of Large Spoken Language Corpora for Linguistic Research.
Proceedings of the Fourth International Conference on Language Resources and Evaluation, 2004

Towards automatic word segmentation of dialect speech.
Proceedings of the 8th International Conference on Spoken Language Processing, 2004

Investigating speech style specific pronunciation variation in large spoken language corpora.
Proceedings of the 8th International Conference on Spoken Language Processing, 2004

2003
A data-driven method for modeling pronunciation variation.
Speech Commun., 2003

Automatic transcription of football commentaries in the MUMIS project.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Validation of phonetic transcriptions based on recognition performance.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

2002
A Field Survey for Establishing Priorities in the Development of HLT Resources for Dutch.
Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

Goal-directed ASR in a multimedia indexing and searching environment (MUMIS).
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Dutch HLT resources: from BLARK to priority lists.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Automatic recognition of dutch dysarthric speech: a pilot study.
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Feedback in computer assisted pronunciation training: technology push or demand pull?
Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

2001
Comparing the performance of two CSRs: how to determine the significance level of the differences.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Lower WERs do not guarantee better transcriptions.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

2000
Erratum to: "Different aspects of expert pronunciation quality ratings and their relation to scores produced by speech recognition algorithms": [Speech Communication 30 (2000) 109-119].
Speech Commun., 2000

Different aspects of expert pronunciation quality ratings and their relation to scores produced by speech recognition algorithms.
Speech Commun., 2000

Pronunciation variation in ASR: which variation to model?
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

Comparing the recognition performance of CSRs: in search of an adequate metric and statistical significance test.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

L2 pronunciation quality in read and spontaneous speech.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

A bottom-up method for obtaining information about pronunciation variation.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

1999
Modeling pronunciation variation for ASR: A survey of the literature.
Speech Commun., 1999

Editorial.
Speech Commun., 1999

Improving the performance of a Dutch CSR by modeling within-word and cross-word pronunciation variation.
Speech Commun., 1999

Using likelihood ratios to perform utterance verification in automatic pronunciation assessment.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

1998
Two automatic approaches for analyzing connected speech processes in dutch.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Modeling pronunciation variation for a dutch CSR: testing three methods.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

The selection of pronunciation variants: comparing the performance of man and machine.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Assessment of dutch pronunciation by means of automatic speech recognition technology.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Quantitative assessment of second language learners' fluency: an automatic approach.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

1997
Parabolic spectral parameter - A new method for quantification of the glottal flow.
Speech Commun., 1997

A spoken dialog system for the Dutch public transport information service.
Int. J. Speech Technol., 1997

The effect of low-pass filtering on estimated voice source parameters.
Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

1996
Localizing an automatic inquiry system for public transport information.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

1995
The relation between physiological signals and F0: a quantitative analysis method.
Proceedings of the Fourth European Conference on Speech Communication and Technology, 1995

1994
Automatic estimation of voice source parameters.
Proceedings of the 3rd International Conference on Spoken Language Processing, 1994

1993
Fitting a LF-model to inverse filter signals.
Proceedings of the Third European Conference on Speech Communication and Technology, 1993

1992
On the relation between voice source parameters and prosodic features in connected speech.
Speech Commun., 1992

Comparing methods for automatic extraction of voice source parameters from continuous speech.
Proceedings of the Second International Conference on Spoken Language Processing, 1992

1991
On the relation between voice source characteristics and prosody.
Proceedings of the Second European Conference on Speech Communication and Technology, 1991

Optimizing lexical fast search in a large vocabulary isolated word speech recognition system.
Proceedings of the Second European Conference on Speech Communication and Technology, 1991

1990
Extraction of control parameters for the voice source in a text-to-speech system.
Proceedings of the 1990 International Conference on Acoustics, 1990

1989
The fundamental frequency - subglottal pressure ratio.
Proceedings of the First European Conference on Speech Communication and Technology, 1989


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