Using the Internet for speech research: an evaluative study examining affect in speech

Monja A. Knoll, Maria Uther, Alan Costall

Research output: Contribution to journalArticlepeer-review


The Internet has rarely been used in auditory perception studies due to concerns about standardisation and calibration across different systems and settings. However, not all auditory research is based on the investigation of fine-grained differences in auditory thresholds. Where meaningful ‘real-world’ listening, for instance the perception of speech, is concerned, the Internet may be a more appropriate and ecologically valid setting to collect data. This study compared affective ratings of low-pass-filtered infant-, foreigner- and British adult-directed speech obtained with traditional methods in the laboratory, with those obtained from an Internet sample. Dropout rates and demographic distribution of participants in the Internet condition were also assessed. The results show that affective ratings were similar for both the Internet and laboratory samples. These findings indicate the viability of Internet-based research into affective speech perception and suggest that precise acoustic environmental control may not always be necessary.
Original languageEnglish
Pages (from-to)845-851
JournalBehaviour & Information Technology
Issue number6
Publication statusPublished - 2011


  • Internet
  • speech perception
  • low-pass filtering
  • emotional affect


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