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Danish Sentence Test  

Lars Bramsløw

Principal Scientist

Eriksholm Research Centre

Abigail Anne Kressner

Assistant Professor

DTU Health Tech

Anja Kofoed Pedersen

Clinical Research Audiologist

WS Audiology

Brent Kirkwood

Senior Audiologist

GN Hearing

Danish Sentence Test  

Introduction

Many research and development projects in the fields of speech and hearing sciences rely heavily on speech corpuses. For example, a sentence test as the one presented here is used to evaluate the hearing aid benefit when listening to speech in noise. The test person listens to the sentences and is asked to repeat as many words as possible. Each sentence can be used only once in the test, as the listener may remember the sentence. In such use cases, it is valuable to have many sentences to test different algorithm parameters or hearing aid settings.

This project is supported by the William Demant Foundation, GN Hearing, and WS Audiology

Aims

The main objective of this project is to create a new sentence test together with a new, larger corpus of Danish sentences. The corpus should contain at least 800 sentences, all recorded for two male and two female talkers. The sentence test should be validated and normalized for one talker and for both normal-hearing and hearing-impaired listeners. Furthermore, continuous monologue and dialogue recordings will be recorded using the same talkers. All recordings must be audio-visual. The entire corpus will be publicly available.

Aims

The main objective of this project is to create a new sentence test together with a new, larger corpus of Danish sentences. The corpus should contain at least 800 sentences, all recorded for two male and two female talkers. The sentence test should be validated and normalized for one talker and for both normal-hearing and hearing-impaired listeners. Furthermore, continuous monologue and dialogue recordings will be recorded using the same talkers. All recordings must be audio-visual. The entire corpus will be publicly available.

Methodology

A sentence material based on normal Danish word occurrence and ten different syntactic templates is created. The material is screened for naturalness and emotional content. It is then recorded audiovisually using 4 professional talkers (2 male, 2 female).

The sentence recordings are edited, and one preferred talker is tested on a group of normal-hearing listeners. The sentences of the preferred talker are adjusted in level to be equally intelligible and then grouped in equivalent lists, each containing 20 sentences. Furthermore, monologues and dialogues will be recorded in the same recording studio and using the same talkers.

Green screen recording studio setup with one female talker

DAST-equipment

Results

All recordings have been finalized. Equivalent lists have been created based on normal-hearing intelligibility testing. The validation on hearing-impaired listeners is ongoing.

Publications

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Abigail, Anne, Kressner, Bramsløw, L. (2021). Danish Sentence Test Project.

Team

Lars Bramsløw

Principal Scientist

Eriksholm Research Centre

Abigail Anne Kressner

Assistant Professor

DTU Health Tech

Anja Kofoed Pedersen

Clinical Research Audiologist

WS Audiology

Brent Kirkwood

Senior Audiologist

GN Hearing

Torsten Dau

Professor

DTU Hearing Systems

Tobias May

Associate Professor

DTU Hearing Systems

Lise Bruun Hansen

Supervisor

Demant

Laura Winther Balling

Supervisor

WS Audiology

Charlotte Thunberg Jespersen

Supervisor

WS Audiology

Filip Marchman Rønne

Supervisor

WS Audiology

Jens Bo Nielsen

Supervisor

DTU Health Tech

Kirsten Maria Jensen Rico

Research implementer

Technical University of Denmark

Brian Kai Man

Research implementer

Demant A/S

Sofie Bundgaard

Research implementer

CHBC Rigshospitalet

Amal Abdulqadir Ali

Research implementer

CHBC Rigshospitalet

Johannes Kizach

Research implementer

Technical University of Denmark

View all

Partners

  • GN Resound 

  • Technical University of Denmark (DTU)

  • WS Audiology 

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