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1
Improving broadcast accessibility for hard of hearing individuals : using object-based audio personalisation and narrative importance
Ward, L. - 2020
Abstract: Technological advances in broadcasting can be the impetus for advances in accessibility services. For the 11 million individuals in the United Kingdom with some degree of hearing loss, the advent of object-based broadcasting and it’s personalisation features has the potential to facilitate a transition towards more accessible broadcast audio. Part I of this work conducts a systematic review of previous object-based accessibility research, identifying the personalisation of redundant non-speech objects as a potentially high impact yet unexplored area of research. Guided by these findings, and the results of a survey of end-user needs, the specific research questions of this work are then developed as: - What is the relationship between redundant non-speech audio objects and broadcast speech intelligibility, for normal and hard of hearing listeners? - Can a system be designed which allows end-users to control the balance between audio objects for dramatic content which is simple to use and preserves comprehension? Part II of this work shows that the presence of redundant non-speech sounds improve speech recognition in noise in normal hearing listeners, even when the sound partially masks the speech. Subsequent investigations show that this effect exists within hard of hearing cohorts also, and the benefit yielded by non-speech sounds can be predicted by the severity of hearing loss in an individual's better hearing ear. Part III work translates these novel findings into practical broadcast accessibility technology, through the development of a new conceptual framework called: `Narrative Importance’. Based on this framework, production tools and an end-user interface are developed and deployed in a large scale public trial. The results of this trial demonstrate that this new approach to accessible audio can deliver content which is more enjoyable with reduced energetic masking of speech, whilst still maintaining the creative integrity and comprehension of the content.
URL: http://usir.salford.ac.uk/id/eprint/57144/1/LWARD_CorrectedThesis.pdf
http://usir.salford.ac.uk/id/eprint/57144/
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2
Personalization of object-based audio for accessibility using narrative importance
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3
R2SPIN : re-recording the Revised Speech Perception in Noise Test
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4
Intelligibility vs comprehension : understanding quality of accessible next-generation audio broadcast
Shirley, BG; Ward, L. - 2018
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5
Turning up the background noise; The effects of salient non-speech audio elements on dialogue intelligibility in complex acoustic scenes
Davies, WJ; Shirley, BG; Ward, L. - : Institute of Acoustics, 2017
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6
The effect of situation-specific non-speech acoustic cues on the intelligibility of speech in noise
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7
The effect of situation-specific non-speech acoustic cues on the intelligibility of speech in noise
Ward, L; Shirley, BG; Tang, Y. - : International Speech Communication Association (ISCA), 2017
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8
Automated screening of speech development issues in children by identifying phonological error patterns
Ward, L; Stefani, A; Smith, D. - : International Speech and Communication Association, 2016
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9
Perceived Spouse Responses to Pain: The Level of Agreement in Couple Dyads and the Role of Catastrophizing, Marital Satisfaction, and Depression
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10
Relevance Theory
In: Handbook of Pragmatics ; https://jeannicod.ccsd.cnrs.fr/ijn_00000101 ; G. Ward, L. Horn. Handbook of Pragmatics, Blackwell, 2002 (2002)
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11
Indexing and the control of express saccades
In: Behavioral and brain sciences. - New York, NY [u.a.] : Cambridge Univ. Press 16 (1993) 3, 594
OLC Linguistik
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12
Computer-Managed Instruction in the Navy: V. The Effects of Charted Feedback on Rate of Progress through a CMI Course
In: DTIC AND NTIS (1981)
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