Quiet calls: talking silently on mobile phones

  • Authors:
  • Les Nelson;Sara Bly;Tomas Sokoler

  • Affiliations:
  • FX Palo Alto Laboratory, Palo Alto, CA;Sara Bly Consulting, North Plains, OR;Space & Virtuality Studio, The Interactive Institute, Malmo, Sweden

  • Venue:
  • Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
  • Year:
  • 2001

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Abstract

Quiet Calls is a technology allowing mobile telephone users to respond to telephone conversations without talking aloud. QC-Hold, a Quiet Calls prototype, combines three buttons for responding to calls with a PDA/mobile phone unit to silently send pre-recorded audio directly into the phone. This permits a mixed-mode communication where callers in public settings use a quiet means of communication, and other callers experience a voice telephone call. An evaluation of QC-Hold shows that it is easily used and suggests ways in which Quiet Calls offers a new form of communication, extending the choices offered by synchronous phone calling and asynchronous voicemail.