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In this paper we present an algorithm that produces pitch and probability-of-voicing estimates for use as features in automatic speech recognition systems. These features give large performance improvements on tonal languages for ASR systems, and even substantial improvements for non-tonal languages. Our method, which we are calling the Kaldi pitch tracker (because we are adding it to the Kaldi ASR toolkit), is a highly modified version of the getf0 (RAPT) algorithm. Unlike the original getf0 we do not make a hard decision whether any given frame is voiced or unvoiced; instead, we assign a pitch even to unvoiced frames while constraining the pitch trajectory to be continuous. Our algorithm also produces a quantity that can be used as a probability of voicing measure; it is based on the normalized autocorrelation measure that our pitch extractor uses. We present results on data from various languages in the BABEL project, and show a large improvement over systems without tonal features and systems where pitch and POV information was obtained from SAcC or getf0.
Predictive Modeling (PM) techniques are gaining importance in the worldwide health insurance business. Modern PM methods are used for customer relationship management, risk evaluation or medical management. This article illustrates a PM approach that enables the economic potential of (cost-)effective disease management programs (DMPs) to be fully exploited by optimized candidate selection as an example of successful data-driven business management. The approach is based on a Generalized Linear Model (GLM) that is easy to apply for health insurance companies. By means of a small portfolio from an emerging country, we show that our GLM approach is stable compared to more sophisticated regression techniques in spite of the difficult data environment. Additionally, we demonstrate for this example of a setting that our model can compete with the expensive solutions offered by professional PM vendors and outperforms non-predictive standard approaches for DMP selection commonly used in the market.
Im Beitrag wird dargelegt, warum und wie über die auf der Bauproduktenverordnung basierenden DE-Kennzeichnung von Bausprodukten und Bausätzen die nationale Klassifizierung von Brandverhalten und Feuerwiderstand zwangsweise verdrängt wird, obwohl beide Klassifizierungen in Deutschland zum Veröffentlichkeitszeitpunkt noch parallel gültig und nutzbar waren.
Background: Complaints of vertigo and dizziness are common in primary care in the aged. They can be caused by distinct vestibular disorders, but can also be a symptom in other conditions like non-vestibular sensory loss, vascular encephalopathy or anxiety. The aim of this study was to investigate the specific contribution of vertigo and dizziness to the total burden of disability in aged persons when controlling for the presence of other health conditions. Methods: Data originate from the MONICA/KORA study, a population-based cohort. Survivors of the original cohorts who were 65 years and older were examined by telephone interview in 2009. Disability was assessed with the Health Assessment Questionnaire. Logistic regression was used to adjust for potential confounders and additive regression to estimate the contribution of vertigo and dizziness to disability prevalence. Results: Adjusted for age, sex and other chronic conditions, vertigo and dizziness were associated with disability (odds ratio 1.66, 95% confidence intervals 1.40–1.98). In both men and women between 65 and 79 years, vertigo and dizziness were among the strongest contributors to the burden of disability with a prevalence of 10.5% (6.6 to 15.1) in men and 9.0% (5.7 to 13.0) in women. In men, this effect is stable across all age-groups, whereas it decreases with age in women. Conclusions: Vertigo and dizziness independently and relevantly contribute to population-attributable disability in the aged. They are not inevitable consequences of ageing but arise from distinct disease entities. Careful management of vertigo and dizziness might increase population health and reduce disability.
Im Rahmen der vorliegenden Dissertation werden förderliche und hemmende Faktoren im Erreichen einer Leitungsposition von Frauen analysiert. Der besondere Fokus ist dabei auf die obere Führungsebene in Organisationen der Sozialen Arbeit gerichtet, im Besonderen auf die Freie Wohlfahrtspflege. Ziel ist darüber hinaus die Darstellung von Handlungsimplikationen zur Förderung weiblicher Karrieren in der Sozialen Arbeit, als Beitrag zur besseren Nutzung weiblichen Know-Hows. Die Arbeit berücksichtigt dabei sowohl die Sicht von Frauen in Führungspositionen, als auch die Sicht von Personalentscheiderinnen und -entscheidern und leistet einen Beitrag dazu, wie Frauen in Verbänden und Organisationen der Freien Wohlfahrtspflege der Zugang zu Führungspositionen ermöglicht werden kann.