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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
351

Light or Voice – make your choice! : Plocktekniker för tillverkningsföretag / Light or Voice – make your choice! : Plocktekniker för tillverkningsföretag

Bergstrand, Henrik, Sjöström, Johanna January 2014 (has links)
Companies constantly strive for the perfect order which enables them to satisfy and retain their customers. This is a difficult process that can be facilitated by using different picking technologies. In this study, a research of the picking technologies Pick-to-Light and Pick-to-Voice have been made to investigate when each technology is suited.In order to collect relevant information and data to be able to answer the question formulation, a qualitative study with interviews have been made. The purpose of this essay was to investigate Pick-to-Light and Pick-to-Voice to see when each technology is best suited and to see what the differences between the technologies are. With our essay we wanted to help manufacturing companies to make the right decisions when implementing a picking technology.The results showed that those picking technologies give companies a higher picking quality and an increased work efficiency since the order picking is faster to perform, and that picking errors are reduced. Through the interviews conducted, the result showed that Pick-to-Light and Pick-to-Voice are best suited at different types of areas. Pick-to-Light is optimal in small areas with high picking frequency while Pick-to-Voice is optimal in large areas with low picking frequency. Companies that are thinking of expanding in the future and use a picking technology on a much larger area, was recommended to implement Pick-to-Voice since this technology is more cost effective. Both of these technologies have multiple positive effects that are similar. Examples on these positive effects are that the operator has an overview of the items to be picked, the technologies are easy to learn and ergonomics are enhanced significantly when all paper handling is eliminated.Obviously, there are also differences between the techniques and also some disadvantages of each technique. The main differences are that the operator with Pick-to-Light can see which articles to be picked with the help of the luminous lights while the operator with Pick-to-Voice is voice guided to the items to be picked. Another major difference is that Pick-to-Voice is a wireless technology unlike Pick-to-Light and the ability to pick multiple orders at the same time is only possible with Pick-to-Voice. When it comes to maintenance costs, Pick-to-Light is more costly, both in time and money, since lights and cable must be replaced periodically. Likewise, an expanding with Pick-to-Light is more comprehensive since more cables and lamps must be purchased and installed. With Pick-to-Voice the only needed adjustment to make is in the system.Depending on the available conditions on the companies, the technologies are best suitable in different ways. Companies can use the technologies to secure the quality of the picking, reducing picking errors, and streamline the picking process. These technologies create the opportunity for companies to achieve the perfect order.
352

A study of teacher perceptions of stuttering and dysphonic children / Teacher perceptions of stuttering and dysphonic children.

Bretz, Sheila K. January 1985 (has links)
There is no abstract available for this thesis.
353

Reflexive passives in Spanish according to arc pair grammar

De Gonzalez, Lucia January 1985 (has links)
This paper proposes a diachronic and synchronic analysis of the extensive use of se in Spanish reflexive and passive constructions with se being discussed in relation to the Unaccusative Hypothesis in Arc Pair Grammar.Universals in Arc Pair Grammar, namely the Unaccusative Law, the 1-Advancement Exclusiveness Law and the Final 1-Arc Law will account for the similarities and differences, first between English and Spanish predicates; and second, between ordinary reflexive constructions and reflexive passive constructions.Evidence from Spanish, primarily synchronic, is presented to analyze reflexive constructions that come from an initial unaccusative stratum. A parallel between these constructions and reflexive passives is established to demonstrate that unaccusative predicates and reflexive passive constructions are very closely related.Diachronically the paper claims that there is a logical and clear evolution of se based on corefentiality, anaphoric chains, unspecified arguments, and self-erasing ghost arcs.Finally this paper attempts to explain why in some instances the predicate will not exhibit agreement with the corresponding nominal. The Chomeur relation and the introduction of ghost arcs according to Arc Pair Grammar Laws and Theorems will provide the basis for this explanation.
354

Hazardous work, fear of injury, and safety voice: the role of invulnerability among young workers

Dueck, Paul M. 26 August 2013 (has links)
This paper investigates in 2 studies the role of invulnerability in predicting young workers’ intentions to speak up about hazards. I propose a model in which perceptions of hazardous work are related to safety voice intentions via fear of injury, and that higher invulnerability buffers (a) the extent to which potential hazards generate fear of injury and (b) the extent to which fear of injury motivates voice. In Study 1, I randomly assigned participants (n = 115, aged 15-25) to an unsafe or safe scenario. Participants with lower invulnerability reported higher safety voice intentions across all levels of fear of injury. Participants with higher invulnerability reported as high safety voice intentions only when fear of injury was high, and reported much lower safety voice intentions than those with low invulnerability when fear of injury was low. Study 2 replicates this model using field data from young workers (n = 67).
355

Sustaining a Visual/Verbal Sketchbook Journal to Promote Creativity and the Emergence of the Visual Voice of the Artist

Weekes, Ayana M 11 August 2011 (has links)
This arts-based study will discuss using a sketchbook journal to enhance creativity and promote the cultivation of the artist’s visual voice. The paper attempts to define creativity, as well as the usefulness of the sketchbook as a creative tool. The results of this study will demonstrate how the effectiveness of the sketchbook journal in the development of the artist can also transcend to usefulness when considering the sketchbook as a curriculum tool in elementary art education.
356

Informing Teaching Practice Through Students’ Perspectives of Their Most Memorable Learning Experiences

Andrade, Anne-Louise 17 January 2013 (has links)
This qualitative study answers the call to include students’ voices in research on learning by listening to students’ perspectives about their learning experiences. Student voice inquiries into learning typically explore students’ perspectives of their learning experiences in school for enhancing teaching practice. The present study explores students’ perspectives of their learning experiences both in and out of school and elicits students’ voices through written narrative, in combination with more common approaches to student voice inquiry. The purpose of which is to inform teaching practice that better supports and facilitates students’ learning. The two research questions that guide this inquiry are: What do senior high school students’ written narratives, focus group discussion, and related written comments about their most memorable learning experiences reveal about their learning? And what do these students’ voices reveal about what they have in common in their learning? The common themes across the 24 student participants are presented as a supportive framework for classroom discussion about most memorable learning experiences. Practical implications are discussed for teaching practice and research with participant co-researchers.
357

Souvenirs du vent : pour soprano et orchestre de chambre = for soprano and chamber for orchestra

Frehner, Paul (Paul Anton) January 1997 (has links)
Souvenirs du vent is a composition for soprano and chamber orchestra with a duration of approximately 16'.30". The piece consists of three movements, a prelude, two interludes and a postlude. The poems set in the three movements were chosen for their similar subject matter, the wind. This common subject is emphasized by a music in which both the large-scale and small-scale formal divisions are blurred through structural counterpoint. The poets of the three poems are all from the Montreal area; they are: Emile Nelligan, Claude Brouille and Remi-Paul Forgues.
358

Articulatory-based Speech Processing Methods for Foreign Accent Conversion

Felps, Daniel 2011 August 1900 (has links)
The objective of this dissertation is to develop speech processing methods that enable without altering their identity. We envision accent conversion primarily as a tool for pronunciation training, allowing non-native speakers to hear their native-accented selves. With this application in mind, we present two methods of accent conversion. The first assumes that the voice quality/identity of speech resides in the glottal excitation, while the linguistic content is contained in the vocal tract transfer function. Accent conversion is achieved by convolving the glottal excitation of a non-native speaker with the vocal tract transfer function of a native speaker. The result is perceived as 60 percent less accented, but it is no longer identified as the same individual. The second method of accent conversion selects segments of speech from a corpus of non-native speech based on their acoustic or articulatory similarity to segments from a native speaker. We predict that articulatory features provide a more speaker-independent representation of speech and are therefore better gauges of linguistic similarity across speakers. To test this hypothesis, we collected a custom database containing simultaneous recordings of speech and the positions of important articulators (e.g. lips, jaw, tongue) for a native and non-native speaker. Resequencing speech from a non-native speaker based on articulatory similarity with a native speaker achieved a 20 percent reduction in accent. The approach is particularly appealing for applications in pronunciation training because it modifies speech in a way that produces realistically achievable changes in accent (i.e., since the technique uses sounds already produced by the non-native speaker). A second contribution of this dissertation is the development of subjective and objective measures to assess the performance of accent conversion systems. This is a difficult problem because, in most cases, no ground truth exists. Subjective evaluation is further complicated by the interconnected relationship between accent and identity, but modifications of the stimuli (i.e. reverse speech and voice disguises) allow the two components to be separated. Algorithms to measure objectively accent, quality, and identity are shown to correlate well with their subjective counterparts.
359

Modeling aspects of vocal fold oscillations with validation to clinical data

Bentil, Sarah A January 2006 (has links)
Thesis (M.S.)--University of Hawaii at Manoa, 2006. / Includes bibliographical references (leaves 108-110). / x, 110 leaves, bound ill. (some col.) 29 cm
360

Location tracking architectures for wireless VoIP

Shah, Zawar, Electrical Engineering & Telecommunications, Faculty of Engineering, UNSW January 2009 (has links)
A research area that has recently gained great interest is the development of network architectures relating to the tracking of wireless VoIP devices. This is particularly so for architectures based on the popular Session Initiation Protocol (SIP). Previous work, however, in this area does not consider the impact of combined VoIP and tracking on the capacity and call set-up time of the architectures. Previous work also assumes that location information is always available from sources such as GPS, a scenario that rarely is found in practice. The inclusion of multiple positioning systems in tracking architectures has not been hitherto explored. It is the purpose of this thesis to design and test SIP-based architectures that address these key issues. Our first main contribution is the development of a tracking-only SIP based architecture. This architecture is designed for intermittent GPS availability, with wireless network tracking as the back-up positioning technology. Such a combined tracking system is more conducive with deployment in real-world environments. Our second main contribution is the development of SIP based tracking architectures that are specifically aimed at mobile wireless VoIP systems. A key aspect we investigate is the quantification of the capacity constraints imposed on VoIP-tracking architectures. We identify such capacity limits in terms of SIP call setup time and VoIP QoS metrics, and determine these limits through experimental measurement and theoretical analyses. Our third main contribution is the development of a novel SIP based location tracking architecture in which the VoIP application is modified. The key aspect of this architecture is the factor of two increase in capacity that it can accommodate relative to architectures utilizing standard VoIP. An important aspect of all our tracking architectures is the Tracking Server. This server supplies the location information in the event of GPS unavailability. A final contribution of this thesis is the development of novel particle-filter based tracking algorithms that specifically address the GPS intermittency issue. We show how these filters interact with other features of our SIP based architectures in a seamless fashion.

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