In a natural sonic environment a listener is accustomed to hearing reflections and reverberation. It is conceived that early reflections could reduce front-back confusion in synthetic 3-D audio. This paper describes an experiment to determine whether or not simulated reflections can reduce front-back confusion for audio presented with nonindividualized HRTFs via headphones. Although the simple ...

Petrological, fauna] and floral infomiation derived from a new drill core taken in the Yangtze delta, coupled with data from borings recovered earlier, record a marked transition to wanner, wetter conditions which resulted in widespread inundation of the delta about 4000 years ago. Also identified for that time on the delta plain is a m;\jor discontinuity between the Neolithic Liangzhu and Bron...

Cop This paper addresses the challenges that arise when knowledge production occurs in crossdisciplinary settings. To date most studies on communities of practice have focused on knowledge production within communities of practice rather than across communities of practice. We analyse the various professional groups in a medical R&D department as a constellation of distinct, but interconnected ...