Recent advances technology have dramatically increased production and consumption of digital media such as audio. The intrinsically time-based nature of audio, however, presents unique problems, in particular with navigation. Unfortunately, audio navigation interfaces do not differ widely from the decades-old tape recorder metaphors. In this paper, we discuss our current work in exploring audio...

The first complete magnetic recorder (wire on a drum) was constructed in 1898 by Poulsen (Denmark). In 1938 the first recorders using plastic tape with an iron oxide layer were used. Since then, magnetic sound recording has become the most popular way of storing broadcast programmes for transmission at any time. Early attempts with temporary disc recording and photographic recording proved unsu...

This paper presents how asynchronous reactive programming can be achieved in the Eiiel// language. Our approach makes use of some reeection available in the language and is based on a speciic communication semantics. We present some reactive abstractions that can be programmed with this mechanism and illustrate their use. The technique we developed makes it possible to transform a sequential sy...

A digital computer was used to generate four channels of information, which are recorded on a tape recorder. The computer program provides control over the apparent location and movement of a synthesized sound in an illusory acoustical space. The method controls the distribution and amplitude of direct and reverberant signals between the loudspeakers to provide the angular and distance informat...

Magnetic recording was first proposed by Oberlin Smith in 1878, but the first working recorder was not built until 1898, by Poulsen [1] [2]. The early magnetic recorders all used a steel wire or tape, but these were “non-starters” – too clumsy, not easily spliceable, too heavy, and too expensive. In those days there were no electronic amplifiers, and the distortion was much too high, so magneti...

This work presents a broadcasting protocol for interactive video-on-demand service. The proposed broadcasting allows the user to play the video-cassette-recorder (VCR) functions which includes the limited fast-forwarding capability. Consider a film S is divided into n equal parts {S1, S2, ..., Sn} and played through k channels. The user simultaneously downloads the film segments from k channels...

A recording device called the Electronically Activated Recorder (EAR) is described. The EAR taperecords for 30 sec once every 12 min for 2-4 days. It is lightweight and portable, and it can be worn comfortably by participants in their natural environment. The acoustic data samples provide a nonobtrusive record of the language used and settings entered by the participant. Preliminary psychometri...

In this talk we report about eye-movement research and the investigation of dialogue structure as it has been going on at several institutions at the University of Bielefeld (cf. the reports listed in the bibliography). Dialogues, one might argue, can be regarded as sequences of turns in which certain microand macro-structures can be distinguished. How can this be related to the investigation o...