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Starting from physical theory, this work develops a novel framework for the acoustic simulation of sound radiation by loudspeakers and sound reinforcement systems. First, a theoretical foundation is derived for the accurate description of simple and multi-way loudspeakers using an advanced point-source ''CDPS'' model that incorporates phase data. The model's practical implementation is presented including measurement requirements and the GLL loudspeaker data format specification. In the second part, larger systems are analyzed such as line arrays where the receiver may be located in the near field of the source. It is shown that any extended line source can be modeled accurately after decomp...
Handbook for Sound Engineers is the most comprehensive reference available for audio engineers. All audio topics are explored: if you work on anything related to audio you should not be without this book! The 4th edition of this trusted reference has been updated to reflect changes in the industry since the publication of the 3rd edition in 2002 -- including new technologies like software-based recording systems such as Pro Tools and Sound Forge; digital recording using MP3, wave files and others; mobile audio devices such as iPods and MP3 players. Over 40 topics are covered and written by many of the top professionals for their area in the field, including Glen Ballou on interpretation systems, intercoms, assistive listening, and image projection; Ken Pohlmann on compact discs and DVDs; David Miles Huber on MIDI; Dr. Eugene Patronis on amplifier design and outdoor sound systems; Bill Whitlock on audio transformers and preamplifiers; Pat Brown on fundamentals and gain structures; Ray Rayburn on virtual systems and digital interfacing; and Dr. Wolfgang Ahnert on computer-aided sound system design and acoustics for concert halls.
Sound Reinforcement for Audio Engineers illustrates the current state of the art in sound reinforcement. Beginning with an outline of various fields of applications, from sports venues to religious venues, corporate environments and cinemas, this book is split into 11 chapters covering room acoustics, loudspeakers, microphones and acoustic modelling among many other topics. This comprehensive book packed with references and a historical overview of sound reinforcement design is an essential reference book for students of acoustics and electrical engineering, but also for engineers looking to expand their knowledge of designing sound reinforcement systems.
This thoroughly updated version of the German authoritative work on self-organization has been completely rewritten by internationally renowned experts and experienced book authors to also include a review of more recent literature. It retains the original enthusiasm and fascination surrounding thermodynamic systems far from equilibrium, synergetics, and the origin of life, representing an easily readable book and tutorial on this exciting field. The book is unique in covering in detail the experimental and theoretical fundamentals of self-organizing systems as well as such selected features as random processes, structural networks and multistable systems, while focusing on the physical and theoretical modeling of natural selection and evolution processes. The authors take examples from physics, chemistry, biology and social systems, and include results hitherto unpublished in English. The result is a one-stop resource relevant for students and scientists in physics or related interdisciplinary fields, including mathematical physics, biophysics, information science and nanotechnology.
"Directory of members" published as pt. 2 of Apr. 1954- issue.
In diesem Band der Reihe Fachwissen Technische Akustik werden einleitend die möglichen Messverfahren beschrieben. Dabei stehen Schalldruckmessungen und Schallpegelmessungen sowie deren Bewertung und Verfahren mittels Fourieranalyse im Mittelpunkt. Es werden die klassische Anregung mit Rauschen, das Sweep-Verfahren, die MLS-Technik, die Noise-Applikation, die TDS-Technik und das quellensignalunabhängige Messverfahren mit Echtzeitentfaltung erläutert. Anschließend wird näher auf die vorhandenen Messparameter eingegangen. Dieser Abschnitt befasst sich mit Absolut- und Relativmessungen, Eichung, Messfehlern und –optimierung, dem Messsystem und der Messkette, äußeren Einflüssen und dem ...
This comprehensive colour atlas provides a state-of-the-art view of Single Photon Emission Computerised Tomography (SPECT) in relation to its application in the fields of nuclear medicine and psychiatry. The broad range of topics covered by experts in the fields of nuclear medicine, neurology and psychiatry from all over the world, reflects the most recent evolution in functional neuroimaging with clinical neuropsychiatric sciences. The book is organised with respect to clinical indication, which implies that whenever possible methodological problems related to clinical indication are categorised under the relevant topic. It is designed to stimulate discussion of some issues of paramount importance for the present and future development of this interdisciplinary modality for the study of patients with diseases of the central nervous system. This textbook is an important tool to all nuclear physicians, neurologists and psychiatrists and will serve as a guide towards the optimal application of SPECT in diagnosis, study of pathophysiology and therapeutic follow-up in neuropsychiatric illnesses.
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Die Frage nach Messmethoden und Messmitteln in Physik und Technik stellt sich auch in der ingenieurwissenschaftlichen Disziplin der Akustik. Das Buch will diese Lücke schließen und stellt die akustischen Messverfahren und die zugehörige Messtechnik in den Vordergrund der Betrachtung. Weitere gute Gründe kommen hinzu: längst ist z. B. der Lärm als Umweltgift identifiziert Das macht die Festlegung von Grenzwerten für Immissionen, Emissionen und für das akustische Rückhaltevermögen von Bauteilen, wie Türen, Fenster, Decken, Schalldämpfer und vieles andere mehr erforderlich. Eine jeweils dem Zweck angemessene Messung muss zweifelsfrei über Einhaltung oder Überschreitung von Grenzen Auskunft geben können. Der mit Akustik befasste Ingenieur wird seine Prognosen und Maßnahmen u. a. auf Messungen stützen bzw. den Erfolg oder Misserfolg von Planungen durch Messung nachweisen. Schließlich muss sich auch die Forschung stets auf geeignet gewählte Messungen stützen können, um glaubwürdig und nachvollziehbar zu sein.