ACOUSTICAL NEWS FROM ABROAD

Walter G. Mayer Physics Dept., Georgetown University, Washington, D.C. 20057

12 ICA--An update The 3rd circular, prepared by the Executive Committee of the 12th

International Congress on Acoustics and released recently, indicates that the Congress will be held in the Metro-Toronto Convention Centre in Tor- onto from 24-31 July 1986. Registration will begin on 23 July in the Con- vention Centre and accommodations for participants have been reserved in nearby hotels and in student residences of the University of Toronto. The Royal York Hotel, located about 500 m from the Convention Centre, has been selected as headquarters hotel of the ICA.

The technical program includes a number of 45-min plenary session lectures, a series of topical one-half day structural sessions, and numerous parallel sessions of contributed papers. iCA has announced that approxi- mately 600 papers have been received from authors in 37 countries• with about 35% of the papers from Europe, 35% from North America, and 20% from Japan and China.

Many social activities and special events are planned, including a num- ber of technical and social tours within the City of Toronto and to more distant places. Details and additional information are contained in the 3rd circular. Copies of the circular which also includes hotel reservation and meeting registration forms are still available from 12 ICA, P.O. Box 123, Station Q, Toronto, Ontario M4T 2L7, Canada.

CETIM schedules series of short courses on

acoustic intensity and noise measurements The Department of Industrial Acoustics of CETIM, located at Senlis

(outside Pads, France), has scheduled four short courses for engineers and technicians whose work is concerned with acoustic intensity measurements and the measurement, reduction, and abatement of industrial noise. The first of these courses was held at Senlis, 18-20 March 1986. It was designed to familiarize the participants with the latest development in the area of intensity measurement techniques. The remaining meetings to be held at Senlis deal with noise problems ( 17-18 June 1986), machine noise measure- ments ( 16-18 September 1986), and noise protection in the workplace ( 7-9 October 1986). The courses will be given in French, attendance is limited, and specific information is available from CETIM, Service Formation, B.P. 67, 60304 Senlis Cedex, France.

New school for hearing-impaired children opened in The Netherlands

Last fall, a new school for heating-impaired children from all parts of The Netherlands was opened in Schagen, The Netherlands. The modest beginnings of the new facilities go back about 6 years when an old mansion was used to hold classes for 11 speech- or heating-impaired children. The new facilities presently accommodate 55 students and a staff of about 30. The new school is named after Hendrik Mol, formerly director of the Pho- netic Sciences Institute at Amsterdam University. His electrical engineer- ing background allowed him to develop numerous aids for speech- and heating-impaired children. Hendrik'Mol, who had been a member of the Acoustical Society of America, died in 1980. His widow was present at the opening ceremonies where she unveiled the name plaque.

Fluctuation Phenomena in Underwater Acoustics Conference to be held in U.K.

The Underwater Acoustics Group of the Institute of Acoustics (U.K.) is scheduling an International Conference on Fluctuation Phenomena in Underwater Acoustics, to be held at Weymouth, Dorset, 9-10 December 1986. The meeting will concentrate on the influence of random inhomo- geneities in the medium on underwater acoustic propagation and on the fluctuations in the phase and amplitude of the received signal, caused by internal waves, turbulence, and other oceanographic phenomena. Keynote papers will be presented in each of the major subject areas. Offers of contrib- uted papers are requested on all topics embraced by the title of the confer- ence.

The deadline for submission of 200-word abstracts is 27 June 1986. All

communications should be sent to P. F. Dobbins, British Aerospace, Un- derwater Research and Engineering Unit, Hampshire Road, Weymouth Dorset DT4 9TZ, U.K.

Institute of Acoustics (U.K.) 1985 Proceedings available

The Institute of Acoustics (U.K.) has announced that the proceedings of all of its 1985 meetings are available. These include the following confer- ences: Auditorium Acoustics (Cambridge, February 1985 ), Local Govern- ment Noise Problems (Birmingham, March 1985), Acoustics '85 (Univer- sity of York, April 1985), Reproduced Sound (Windermere, Autumn 1985), and Barriers for Noise Control (London, October 1985). These volumes can be obtained from IOA, 25 Chambers Street, Edinburgh EH 1 1HU, U.K.

G.A.L.F. Aeronautical Acoustics Colloquia expand scope

The Association of French Language Acousticians (G.A.L.F.) has announced that the series of Aeronautical Acoustics Colloquia will be ex- panded in scope to include topics of Naval Acoustics. Beginning with the 10th Colloquim, to be held at C.N.R.S. in Marseille, 19-21 November 1986, the series will be known as Colloque d'Acoustique A•ronautique et Navale, sponsored jointly by G.A.L.F. and the Association A•ronautique et As- tronautique de France. Information about the series and the topics included in the forthcoming meeting is available from E. Brocher, Institut de M•can- ique de• Fluids, 1 rue Honnorat, 13003 Marseille, France.

Acoustics equipment to be exhibited in Beijing--June 1986

Organized jointly by the Institute of Acoustics of Academia Sinica, Beijing, and the Associated Trade Fairs Ltd., Hong Kong, a large-scale Acoustics, Speech, and Signal Processing Equipment Exhibition will be staged in the Beijing Military Museum, 3-7 June 1986. The exhibition is aimed at offering the Chinese endusers and research professionals an oppor- tunity to view relevant apparatus and technological know-how from instru- ment manufacturers and suppliers around the world. Additional informa- tion is available from P.O. Box 784, General Post Office, Hong Kong.

1627 J. Acoust. Soc. Am. 79(5), May 1986 0001-4966/86/051627-01500.80 @ 1986 Acoustical Society of America 1627

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