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This paper proposes a multimodal approach to distinguish silence from speech situations, and to identify the location of the active speaker in the latter case. In our approach, a video camera is used to track the faces of the participants, and a microphone array is used to estimate the Sound Source Location (SSL) using the Steered Response Power with the phase transform (SRP-PHAT) method. The audiovisual...
In this paper we raise the question whether we can measure the ambience of a system that is integrated in an existing environment. This paper describes a new approach for designing and developing ambient systems. Other than the traditional software development concepts, we concentrate on the challenges of ambient designs. First, we give a motivation why it would be interesting to measure ambience...
Transmitting basic information with non-speech audio cues is often afflicted with some disadvantages because of the differentness of the signals compared to the environmental noises. In this paper we present an evaluation of our ambient audio notification approach that uses instruments included in specially arranged aesthetical background music. First, we give a short introduction to non-speech audio...
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