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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Aerospace Medical Panel. Symposium
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 374
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Book Description
Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Aerospace Medical Panel. Symposium
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 374
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Book Description
Author: Sanford P. Schumacher
Publisher:
ISBN:
Category :
Languages : en
Pages : 186
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Book Description
The report describes a study to determine the feasibility and effectiveness of using in flight audio/video recording and ground playback equipment in the United States Air Force undergraduate pilot training (UPT) program. It includes a detailed description of a low cost audio/video recording system (AVRS) which was developed for the study. Audio/video equipment configurations are discussed as they apply to training operations in the T-37 aircraft. A description is given of the training methodology which was formulated for integrating the audio/video recordings of student maneuvers into the flight training program. Airborne cameras were used to view the flight instruments and the pilot's forward outside scene. The operational use of the AVRS is described for two ongoing classes of pilots. The results in terms of differences in achievement levels and learning rates for TV and non-TV students are described. Conclusions as to high equipment reliability and easy maintainability and the training benefits which can be expected to accrue from use of the AVRS are detailed. (Author).
Author: Gregory Gordon Gorak
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 270
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Book Description
Author:
Publisher:
ISBN:
Category : Air pilots
Languages : en
Pages : 100
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Book Description
This report presents a detailed description of the methods by which airborne video recording will be utilized in the training of Air Force pilots, and presents plans for an assessment of its effectiveness. Audio/video equipment configurations and limitations are discussed as they apply to training operations in the T-37 and T-38 aircraft, and training methodology is described which has been formulated to permit the integration of video recording and teaching techniques into the Air Force undergraduate pilot training program. Plans for an eight-month experimental evaluation of the effects of these techniques are detailed, including schedules, operating practices, student selection procedures, instructor training plans, data gathering processes and materials, and analysis guidelines. (Author).
Author: National Research Council (U.S.). Committee on Sound Control
Publisher:
ISBN:
Category : Deafness, Noise induced
Languages : en
Pages : 258
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
This report describes the results of a literature study on the use of nonspeech audio in human-machine interaction, especially applied to helicopter aviation. The study focuses on various design philosophies for communicating important states of a machine to its operators through the use of nonspeech sounds. The two most popular sound designs are the so-called auditory icons (natural sounds that have a meaning by association with a real object) and earcons (abstracts sounds whose meaning must be learned). Usability indices such as effectiveness, efficiency and user satisfaction are reviewed for a number of experimental cases. The conclusion is that designs of auditory icons and earcons are not necessarily mutually exclusive. It appears entirely possible to develop sets of artificial sounds that combine the best features of each design approach.
Author: Oleksandr Zaporozhets
Publisher: CRC Press
ISBN: 0415240662
Category : Technology & Engineering
Languages : en
Pages : 435
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Book Description
Aircraft noise has adverse impacts on passengers, airport staff and people living near airports, it thus limits the capacity of regional and international airports throughout the world. Reducing perceived noise of aircraft involves reduction of noise at source, along the propagation path and at the receiver. Effective noise control demands highly skilled and knowledgeable engineers. This book is for them. It shows you how accurate and reliable information about aircraft noise levels can be gained by calculations using appropriate generation and propagation models, or by measurements with effective monitoring systems. It also explains how to allow for atmospheric conditions, natural and artificial topography as well as detailing necessary measurement techniques.
Author: Clemans A. Powell
Publisher:
ISBN:
Category : Acoustical engineering
Languages : en
Pages : 40
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Book Description
Active noise control technology offers the potential for weight-efficient interior noise reduction, particularly for propeller aircraft. However, there is little information on how passengers respond to this type of interior noise control. This paper presents results of two experiments that use sound quality engineering practices to determine the subjective effectiveness of hypothetical active noise control (ANC) systems in a range of propeller aircraft. The two experiments differed by the type of judgments made by the subjects: pair comparisons based on preference in the first and numerical category scaling of noisiness in the second. Although the results of the two experiments were in general agreement that the hypothetical active control measures improved the interior noise environments, the pair comparison method appears to be more sensitive to subtle changes in the characteristics of the sounds which are related to passenger preference. The reductions in subjective response due to the ANC conditions were predicted with reasonable accuracy by reductions in measured loudness level. Inclusion of corrections for the sound quality characteristics of tonality and fluctuation strength in multiple regression models improved the prediction of the ANC effects.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: Ignazio Dimino
Publisher: World Scientific
ISBN: 1783266597
Category : Technology & Engineering
Languages : en
Pages : 303
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Book Description
'The text is well written and supported by clear and useful illustrations. This would be a useful textbook for postgraduate or advanced undergraduate studies and would also make a good introductory text for engineers moving into the field. The literature survey and bibliography provide a useful starting point for further study.'The Aeronautical JournalActive Control of Aircraft Cabin Noise provides a bridge to fill the gap between robust control theory and practical applications of active noise control systems in aircraft cabin. Both the possibilities and limitations of structural solutions to enhance aircraft cabin comfort by reducing interior noise are discussed supported by a wide range of topics in engineering, from finite element modeling to multichannel adaptive feed-forward control, usually dealt separately in the literature. In addition, experimental noise attenuation results with passengers' subjective perceptions predicting the effects of cabin noise on comfort assessments is examined. Theoretical and experimental research is detailed enough to capture the interest of the non-expert in engineering who wishes to have an overview of some of the active noise control applications in aircraft. This book may be used as an advanced textbook by graduate and undergraduate students in aeronautical engineering, and would be an authoritative resource book for research into the subject.
