Speech recognition in adverse conditions: A review

Mattys, Sven L.; Davis, Matthew H.; Bradlow, Ann R.; Scott, Sophie

doi:10.1080/01690965.2012.705006

Cited by 577 publications

(555 citation statements)

References 171 publications

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“…Similar to the findings of Baese-Berk et al (2015), where individuals with larger receptive vocabularies performed better at recognizing unfamiliar speech, this relationship could indicate that more lexical knowledge facilitates the plasticity necessary to adapt to ambiguous accents, regardless of the task. Larger receptive vocabularies have been suggested to result in better speech recognition in noise because increased lexical connectivity promotes accessing top-down knowledge (Mattys et al, 2012). In other non-learning speech perception tasks, Ishida, Samuel, and Arai (2016) found that some individuals rely more on top-down lexical information than others, and do so across a variety of speech perception tasks, providing evidence that in young adulthood, some individuals already rely more on top-down information than others.…”

Section: Discussionmentioning

confidence: 77%

“…Baese-Berk, Bent, Borrie, and McKee (2015) previously found that receptive vocabulary scores are related to the perception of unfamiliar speech in younger adults. Mattys, Davis, Bradlow, and Scott (2012) There is conflicting evidence as to what the influence of working memory and hearing sensitivity may be on perceptual learning. It is possible that working memory facilitates perceptual learning by maintaining auditory stimuli in an accessible way, with individuals who have better working memory being more able to maintain and manipulate stimuli mentally.…”

Section: Introductionmentioning

confidence: 99%

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The Role of Lexical Status and Individual Differences for Perceptual Learning in Younger and Older Adults

Colby

Clayards

Baum

2018

J Speech Lang Hear Res

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Perceptual learning in younger and older adults 2 Abstract Purpose: This study examined whether older adults remain perceptually flexible when presented with ambiguities in speech in the absence of lexically disambiguating information. We expected older adults to show less perceptual learning when top-down information was not available. We also investigated whether individual differences in executive function predicted perceptual learning in older and younger adults.Method: Younger (n=31) and older adults (n=27) completed two perceptual learning tasks comprised of a pretest, exposure, and posttest phase. Both learning tasks exposed participants to clear and ambiguous speech tokens, but crucially, the lexically-guided learning task provided disambiguating lexical information, while the distributional learning task did not. Participants also performed several cognitive tasks to investigate individual differences in working memory, vocabulary, and attention-switching control. Results:We found that perceptual learning is maintained in older adults, but that learning may be stronger in contexts where top-down information is available. Receptive vocabulary scores predicted learning across both age groups and in both learning tasks.Conclusions: Implicit learning is maintained with age across different learning conditions, but remains stronger when lexically biasing information is available. We find that receptive vocabulary is relevant for learning in both types of learning tasks, suggesting the importance of vocabulary knowledge for adapting to ambiguities in speech.Perceptual learning in younger and older adults 3

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Section: Discussionmentioning

confidence: 77%

Section: Introductionmentioning

confidence: 99%

The Role of Lexical Status and Individual Differences for Perceptual Learning in Younger and Older Adults

Colby

Clayards

Baum

2018

J Speech Lang Hear Res

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“…Our results, which show stronger recruitment of this region during degraded word processing, suggest that there are greater demands on semantic processing and on the lexical interface during more effortful processing. Speech in noise processing can be expected to require greater attention during the process of speech recognition (Darwin, 2008), and a recent review has addressed the different factors that are involved during speech processing under adverse conditions (Mattys et al, 2012). During lower compared to higher SNR conditions, we do not find greater involvement of brain regions known to be associated with attention, task difficulty or executive resources per se, such as subcortical regions, the posterior parietal cortex, the anterior cingulate cortex, or the dorsolateral prefrontal cortex (Hervais-Adelman et al, 2011;Paus et al, 1998;Petersen and Posner, 2012;Posner and Petersen, 1990).…”

Section: Regions Negatively Correlated With Snr (Or Positively With Nmentioning

confidence: 99%

Semantic versus perceptual interactions in neural processing of speech-in-noise

et al. 2013

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Native listeners make use of higher-level, context-driven semantic and linguistic information during the perception of speech-in-noise. In a recent behavioral study, using a new paradigm that isolated the semantic level of speech by using words, we showed that this native-language benefit is at least partly driven by semantic context (Golestani et al., 2009). Here, we used the same paradigm in a functional magnetic resonance imaging (fMRI) experiment to study the neural bases of speech intelligibility, as well as to study the neural bases of this semantic context effect in the native language. A forced-choice recognition task on the first of two auditorily presented semantically related or unrelated words was employed, where the first, 'target' word was embedded in different noise levels. Results showed that activation in components of the brain language network, including Broca's area and the left posterior superior temporal sulcus, as well as brain regions known to be functionally related to attention and task difficulty, was modulated by stimulus intelligibility. In line with several previous studies examining the role of linguistic context in the intelligibility of degraded speech at the sentence level, we found that activation in the angular gyrus of the left inferior parietal cortex was modulated by the presence of semantic context, and further, that this modulation depended on the intelligibility of the speech stimuli. Our findings help to further elucidate neural mechanisms underlying the interaction of context-driven and signal-driven factors during the perception of degraded speech, and this specifically at the semantic level.© 2013 Elsevier Inc. All rights reserved. IntroductionIn studying the neural implementation of spoken language processing, it is important to consider the complexity of linguistic processes. For example, one can ask how higher-order, semantic versus lower-order, perceptual processes interact during the processing of noisy speech -a phenomenon that is ubiquitous in our daily lives, and how the brain supports the interaction of these complementary cognitive and perceptual dimensions (Mattys et al., 2009). It is known that in one's native language, speech comprehension is often successful even when hearing noisy, or degraded speech (Nabelek and Donahue, 1984;Takata and Nabelek, 1990;van Wijngaarden et al., 2002). Further, using the Speech Perception in Noise (SPIN) paradigm (Bilger et al., 1984;Kalikow et al., 1977), in which the predictability of the final word in sentences is manipulated, it has been shown that this native language advantage can arise from the use of higher-level linguistic, contextual information (Florentine, 1985a;Mayo et al., 1997). These original studies further showed that lower SNRs (or higher noise levels) are associated with a greater context benefit (Mayo et al., 1997). We are thus capable of making use of linguistic context to compensate for poor signal quality. Linguistic context includes semantic and syntactic information, as well as pragmatic and proso...

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“…However, most natural speech processing is done in less ideal situations, and listeners' cue weighting in many speech and language processing tasks changes drastically with background noise (for a review see Mattys, Davis, Bradlow, & Scott, 2012). Specifically, Mattys et al (2005) found that although listeners ranked consonant clusters higher than stress cues in quiet, this hierarchy was reversed when strong background noise was added.…”

Section: Introductionmentioning

confidence: 99%

The role of vowel phonotactics in native speech segmentation

Skoruppa

Nevins²,

Gillard³

et al. 2015

Journal of Phonetics

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A B S T R A C TNumerous studies have shown that listeners can use phonological cues such as word stress and consonant clusters to find word boundaries in fluent speech. This paper investigates whether they can also use language-specific restrictions on vowel positioning for native speech segmentation. We show that English adults can exploit the fact that typical English words do not end in a lax vowel (e.g. [*diːtʊ]) in order to segment unknown words in a nonsense phrase-picture matching task, in contrast to the null results in prior studies using lexical tasks. However, they only used this cue in quiet listening conditions, and not in the presence of background noise. Thus, like consonant clusters, the lax vowel constraint is vulnerable in adverse listening conditions.

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Speech recognition in adverse conditions: A review

Cited by 577 publications

References 171 publications

The Role of Lexical Status and Individual Differences for Perceptual Learning in Younger and Older Adults

The Role of Lexical Status and Individual Differences for Perceptual Learning in Younger and Older Adults

Semantic versus perceptual interactions in neural processing of speech-in-noise

The role of vowel phonotactics in native speech segmentation

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