Visual Analysis and Software Assistance Dr Christine Rivers
- Slides: 37
Visual Analysis and Software Assistance Dr. Christine Rivers QUIC Project (NCRM) University of Surrey
Rationale • Ph. D Project - Experiments – Remote Tabletop Collaboration • Gained Different Multimedia Data Sets – Unsynchronised files • Merging different Data Types – Which software allows synchronising and analysing in -depth?
Questions 1. Which software is useful? 2. How can we analyse effectively?
Overview • Criteria for: Which software is useful? • Comparison – Atlas. ti 6 – Transana 2. 41 – DRS (Digital Replay System) • Conclusion
Which software is useful? • Type of Data – Multiple Multimedia Files – Synchronisation – Preparation of Data • Analysing Data – Extracting Sequences in-depth Analysis – Coding Schemes
Atlas. ti 6 • Compatible with Windows/ Vista/ Mac Boot. Camp • Text files: txt, rtf, doc, pdf • Multimedia files: jpg, jpeg, gif, bmp, wav, avi, mpg, mpeg, mp 3 • Synchronisation of Transcript & Video using F 4 • Synchronisation of Multiple Videos not supported • Requires Preparation if Multiple Data Files used
F 4 media
F 4 media • Allows Transcribing and Editing Existing Transcripts in relation to a Video File • Synchronise Transcript and Video for Use in ATLAS. ti • Requires Preparation of Videos – Particularly Multiple Videos – Video Quality poor but less important for Transcription
F 4 Docs in ATLAS. ti
Windows in Atlas. ti
Quotation Manager
Code Manager
Memo Manager
Summary ATLAS. ti • Advantages – Initial / Open Coding – Identifying Themes – Linking several codes to 1 quotation – Data (Video or Audio) can be synchronized with a transcript using F 4 but difficult • Disadvantages – Data has to be prepared – Detailed Analysis difficult
Transana 2. 41 • Compatible with Windows/ Mac • Multimedia files: wav, avi, mpeg-1, mpeg-2, mp 3, rtf • Does not support multimedia files from CD or DVD or still images • Video and Transcript(s) can be analysed together Interactivity • Video Data requires Preparation
Windows in Transana
Video Window
Transcript Window
Data Window Adding an Episode (Video)
Synchronizing Visual Data
Producing Clips for Coding
Viewing Clips
Coding by Keywords
Summary of Transana • Advantages – Importing Data of Different Types easy (e. g. ATLAS. ti F 4) – Having Multiple Transcripts and Video Files in one – Extracting Clips and coding individually • Disadvantages – Videos have to be prepared – No still images
DRS (Digital Replay System) • Compatible with Windows / Mac OSX 10. 4 • Multimedia files: wav, avi, mpeg-1, mpeg-2, mp 3, rtf and jpg, png, gif. • Video and Transcript(s) can be analysed together Interactivity • Video Data requires Preparation similar to Transana (Synchronization Issues)
Windows in DRS
Video Window
Project & Analysis Browser
Analysis Browser
Analysis Browser
Transcript Window Time Codes
Track Viewer
Coding in DRS
Moving & Adding Codes
Summary of DRS • Advantages – View multiple media files synchronously (video, transcripts etc. ) – Coding is easy to do – Adding and Importing files easy • Disadvantages – In-depth analysis produces a lot of ‘windows’ – Codes can not overlap in one track – Video quality is poor even if prepared
Conclusion • Each CAQDAS tool offers good solutions – Depending on type of data – Amount of data – Level of analysis that want to be achieved CAQDAS tool Type of Data Size of Data Level of Analysis ATLAS. ti Any but difficult to combine Small Broader TRANSANA Video/audio and transcript Large In-depth DRS any Medium In-depth but complexity increases
Suggestions • Synchronization – Preparing the media files before using them in one of the CAQDAS tools • Transcription – Transcribing directly in the CAQDAS tool is beneficial as data can be directly related to media file
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