SpEx: A Tool for Visualising and Navigating Speech Audio

<p>Audio is a ubiquitous form of information that is usually treated as a single, unbreakable, piece of content. Thus, audio interfaces remain simple, usually consisting of play, pause, forward, and rewind controls. Spoken audio can contain useful information across multiple topics and finding the information desired is usually time consuming. Most audio players simply do not reveal the content of the audio. By using the speech transcript and acoustic qualities of the audio, I have developed a tool, SpEx, which enabled search and navigation within spoken audio. SpEx displayed audio as discrete segments and revealed the topic content of each segment using mature Information Visualisation techniques. Audio segments were produced based on the acoustic and sentence properties of speech to identify topically and aurally distinct regions. A user study found that SpEx allowed users to find information in spoken audio quickly and reliably. By making spoken audio more accessible, people can gain access to a wider range of information.</p>

SpEx: A Tool for Visualising and Navigating Speech Audio

<p>Audio is a ubiquitous form of information that is usually treated as a single, unbreakable, piece of content. Thus, audio interfaces remain simple, usually consisting of play, pause, forward, and rewind controls. Spoken audio can contain useful information across multiple topics and finding the information desired is usually time consuming. Most audio players simply do not reveal the content of the audio. By using the speech transcript and acoustic qualities of the audio, I have developed a tool, SpEx, which enabled search and navigation within spoken audio. SpEx displayed audio as discrete segments and revealed the topic content of each segment using mature Information Visualisation techniques. Audio segments were produced based on the acoustic and sentence properties of speech to identify topically and aurally distinct regions. A user study found that SpEx allowed users to find information in spoken audio quickly and reliably. By making spoken audio more accessible, people can gain access to a wider range of information.</p>

Big Data Issues and Challenges

The library plays a vital role for the students, researchers, and academician as a central data storage which is utilized for accessing any required data within less time and effort. Academic libraries are rich in primary and secondary data with lots of content, which may include data from other resources also such as internet and other media. This large amount of data must provide a valuable information to the user, but it may not be same format. Librarians need to transform and analyse all the available data to the same format so that it becomes easier for the user to facilitate the required knowledge. For example, they need to create a dataset in a manner that is easy to visualize and accessible. In this regard, big data analytics tools such as information visualisation tools help the user in mining the intended information. In any case, it is assumed that the confinements and conceivable outcomes of Big data innovation are being considered and that relationships are acknowledged as precise. This chapter focus on all the possibilities of various issues and challenges that may arise while using big data with library.

What About Interaction Geography to Evaluate Physical Learning Spaces?

This paper reviews and explores how interaction geography, a new approach to visualize people’s interaction over space and time, extends current approaches to evaluate physical learning spaces. This chapter begins by reviewing representations produced using interaction geography to study visitor engagement and learning in a museum. In particular, this review illustrates Mondrian Transcription, a method to map people’s movement and conversation over space and time, and the Interaction Geography Slicer (IGS), a dynamic visualisation tool that supports new forms of interaction and multi-modal analysis. Subsequently, this chapter explores how interaction geography may advance the evaluation of physical learning spaces by providing dynamic information visualisation methods that support more expansive views of learning and the evaluation of the alignment between space and pedagogy. This chapter concludes by outlining significant limitations and next steps to expand interaction geography to evaluate physical learning spaces.