Situated Dialog in Speech-Based Human-Computer Interaction by Alexander Rudnicky Antoine Raux Ian Lane & Teruhisa Misu

Author:Alexander Rudnicky, Antoine Raux, Ian Lane & Teruhisa Misu
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

2.1 Speech Dialog Concepts

The SDS prototypes have been developed for German users. As we aim at investigating usability and driving performance during the time frame when a new message comes in, the speech interaction is finished after the system has read out the message to the user and the user has indicated to reply to the message.

2.1.1 Sound Notifications

Sound notifications only alert the user in an unobtrusive way, using a simple sound. The first sound notification concept is an earcon. Earcons are commonly used in HMI to provide information and feedback to the user about computer entities [2]. Here, we employed the Microsoft Outlook2 sound file which is played when an email is received. The second sound notification is a slight cough evoked by the SDS. Thereby, the driver shall be alerted in a more human-like and unobtrusive way. After being alerted by the sound the user has to request to read out the message and to reply to the message afterwards. A sample dialog is illustrated below: System:

<notification sound>

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