Activities of AES Japan Section in 2007
(Technical Meeting Reports)

Meeting Date: September 27, 2007

Place
Seijyo Club, Tokyo
Reporter
Akira NISHIMURA (Associate Professor, Tokyo University of Information Sciences)
Subject
Characteristics and extent of jitter we can measure in digital audio equipments
Participants
22
Report
The reporter introduced the methods of sampling jitter measurement in digital audio equipments: the traditional method in the frequency-domain and the recent measurement technique in the time-domain using Hilbert transformation with high precision.

Meeting Date: October 18, 2007

Place
Seijyo Club, Tokyo
Reporter
Takahiko Yamamoto (President of TACSYSTEM Inc.)
Kazutsugu Uchimura (Principal Engineer, NHK Broadcasting Station)
Subject
Report on 123th AES Convention
Participants
30
Report
The outline of 123th AES Convention held in New York was reported by Takahiko Yamamoto of Tac System and Kazutsugu Uchimura of NHK. Yamamoto focused on new equipment displayed in the exhibition, while Uchimura reported from the viewpoint of contents production. Many questions were raised from participants, and active and fruitful discussions were made.

Meeting Date: November 21, 2007

Place
Seijyo Club, Tokyo
Reporter
Yukio IWAYA (Associate Professor, Research Institute of Electrical Communication, Tohoku University)
Subject
Auditory space perception and auditory display
Participants
21
Report
A mechanism of auditory space perception, especially localization of a sound image, was reviewed in connection with the head-related transfer function. A principle and applications of the auditory display system that presents sound images at arbitrary locations were explained together with future developments.

Meeting Date: December 20, 2007

Place
Dimagic Co. Ltd, Tokyo
Reporter
Kazutaka SOMEYA (Sound Designer/Engineer Dimagic Sound Plant)
Subject
Introduction of new studio facilities in Dimagic Sound Plant
Participants
35
Report
A new post-production studio of Dimagic Co. Ltd. which started its operation from November 2007 was introduced with technical tour of studios and facilities, including the control room for multichannel sound production equipped with custom-made monitor loudspeakers, foley-studio and so on. Design concept of the whole facilities was also explained by the presenter as well as by the acoustician who was in charge. Lot of participants were gathered and active discussion was made. Many of them also enjoyed the year-end party held after the meeting.

Last modified: 2008-10-05 14:59:34