Large-scale Data Collection and Analysis via a Gamified Intelligent Crowdsourcing Platform
In this contribution, we present iHEARu-PLAY, an online, multi-player platform for crowdsourced database collection and labelling, including the voice analysis application (VoiLA), a free web-based speech classification tool designed to educate iHEARu-PLAY users about state-of-the-art speech analysis paradigms. Via this associated speech analysis web interface, in addition, VoiLA encourages users to take an active role in improving the service by providing labelled speech data. The platform allows users to record and upload voice samples directly from their browser, which are then analysed in a state-of-the-art classification pipeline. A set of pre-trained models targeting a range of speaker states and traits such as gender, valence, arousal, dominance, and 24 different discrete emotions is employed. The analysis results are visualised in a way that they are easily interpretable by laymen, giving users unique insights into how their voice sounds. We assess the effectiveness of iHEARu-PLAY and its integrated VoiLA feature via a series of user evaluations which indicate that it is fun and easy to use, and that it provides accurate and informative results.
KeywordsHuman computation speech analysis crowdsourcing gamified data collection survey
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This work was supported by the European Community’s Seventh Framework Programme (No. 338164) (ERC Starting Grant iHEARu). We thank audEERING for providing sensAI and all iHEARu-PLAY players for taking part in our evaluation.
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