Audibility of headphone positioning variability by Mathieu Paquier, Vincent Koehl

By Mathieu Paquier, Vincent Koehl

Authors: Paquier, Mathieu; Koehl, Vincent
Affiliation: college of Brest (UEB), Plouzané, France
AES conference: 128 (May 2010)
Paper quantity: 8147
Publication Date: could 1, 2010
Subject: Listening exams and review Psychoacoustics

This research goals at comparing the audibility of spectral alterations brought about via moderate yet practical adjustments within the headphone place over a listener’s ears. Recordings were played on a dummy head on which four various headphone versions have been put eight occasions each one. Musical excerpts and purple noise have been performed over the headphones and recorded with microphones situated on the front of the blocked ear canal. those recordings have been then offered to listeners over a unmarried attempt headphone. the themes needed to check the recordings in a 3I3AFC job to discriminate among the various headphone positions. the consequences point out that, regardless of the headphone version or the excerpt, the variations attributable to assorted positions have been regularly perceived.

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W. Bartknecht, Dust Explosions - Course, Prevention and Protection, Springer Verlag, 1989. W. Bartknecht, Explosionsschutz - Grundlagen und Anwendung, Springer Verlag, 1994. J. Cross and D. Farrer, Dust Explosions, Plenum Press, 1983. R. K. Eckhoff, Dust Explosions in the Process Industries, Butterworth-Heinemann,2nd edition, 1997. P. , 1982. PRACTICAL SOLUTIONS TO CRITICAL SOLIDS HANDLING PROBLEMS P. Cooper Matcon Limited Matcon House, London Road Moreton In Marsh, Gloucestershire GL56 OHJ 1 INTRODUCTION Matcon is a world leading supplier of batch orientated powder handling systems based on the Intermediate Bulk Container (EX) concept.

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Health, Safety and Handling 25 In line with much other recent legislation, the decisions about plant safety are taken based on a risk assessment. Specifically, the Directive requires that an explosion hazard and risk assessment is carried out, taking into account the special circumstances in the plant under consideration, which includes at least the following factors: The likelihood that explosive atmospheres will occur and their persistence; The likelihood that ignition sources, including electrostatic discharges, will be present and become active and effective; The installations, substances used, processes and their possible interactions; The scale of the anticipated effects.

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