Usability evaluation of AV system video matrix user interfaces based on drag & drop paradigm
Heikkilä, Lauri (2023)
Heikkilä, Lauri
2023
Master's Programme in Human-Technology Interaction
Informaatioteknologian ja viestinnän tiedekunta - Faculty of Information Technology and Communication Sciences
This publication is copyrighted. You may download, display and print it for Your own personal use. Commercial use is prohibited.
Hyväksymispäivämäärä
2023-06-21
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:tuni-202306206858
https://urn.fi/URN:NBN:fi:tuni-202306206858
Tiivistelmä
Several different interaction patterns can be utilised to control a video matrix with an AV control system. Video matrix is a component in AV system responsible of routing video signals from video inputs to outputs.
This Master’s thesis focuses on evaluating usability of three video matrix user interfaces based on drag & drop paradigm over floor plan. These particular interfaces have been designed and implemented by the author and they have been in production use for some time. The usability of the interfaces were evaluated by the actual users of the systems using a questionnaire. Also, a heuristic evaluation and a brief expert review were performed to gain formative insights about how to improve the interfaces in the future.
The results were that the actual users of the systems were highly satisfied to the interfaces and the AV systems in general. However, heuristic evaluation and expert reviews pointed out that there are several feasible improvements that would make the usability better. The main issues were related to consistency, system state visibility and accessibility. Also, suggestions to smaller fixes and interaction paradigm enhancements were made.
The results and general insights were discussed so that AV system designers can utilise the gained information on decisions about which interaction pattern to choose for their systems. Also, it was noted that it is important to have a clear, validated and detailed conception about the actual context of use when evaluating the usability of a system - and preferably, when designing a system.
This Master’s thesis focuses on evaluating usability of three video matrix user interfaces based on drag & drop paradigm over floor plan. These particular interfaces have been designed and implemented by the author and they have been in production use for some time. The usability of the interfaces were evaluated by the actual users of the systems using a questionnaire. Also, a heuristic evaluation and a brief expert review were performed to gain formative insights about how to improve the interfaces in the future.
The results were that the actual users of the systems were highly satisfied to the interfaces and the AV systems in general. However, heuristic evaluation and expert reviews pointed out that there are several feasible improvements that would make the usability better. The main issues were related to consistency, system state visibility and accessibility. Also, suggestions to smaller fixes and interaction paradigm enhancements were made.
The results and general insights were discussed so that AV system designers can utilise the gained information on decisions about which interaction pattern to choose for their systems. Also, it was noted that it is important to have a clear, validated and detailed conception about the actual context of use when evaluating the usability of a system - and preferably, when designing a system.