Bone-conduction audio interface to guide people with visual impairments

Jacobus C. Lock*, Iain D. Gilchrist, Grzegorz Cielniak, Nicola Bellotto

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

5 Citations (Scopus)


The ActiVis project’s aim is to build a mobile guidance aid to help people with limited vision find objects in an unknown environment. This system uses bone-conduction headphones to transmit audio signals to the user and requires an effective non-visual interface. To this end, we propose a new audio-based interface that uses a spatialised signal to convey a target’s position on the horizontal plane. The vertical position on the median plan is given by adjusting the tone’s pitch to overcome the audio localisation limitations of bone-conduction headphones. This interface is validated through a set of experiments with blindfolded and visually impaired participants.

Original languageEnglish
Title of host publicationSmart City and Informatization - 7th International Conference, iSCI 2019, Proceedings
EditorsGuojun Wang, Abdulmotaleb El Saddik, Xuejia Lai, Gregorio Martinez Perez, Kim-Kwang Raymond Choo
Number of pages12
ISBN (Print)9789811513008
Publication statusPublished - 1 Jan 2019
Event7th International Conference on Smart City and Informatization, iSCI 2019 - Guangzhou, China
Duration: 12 Nov 201915 Nov 2019

Publication series

NameCommunications in Computer and Information Science
Volume1122 CCIS
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937


Conference7th International Conference on Smart City and Informatization, iSCI 2019

Structured keywords

  • Cognitive Science
  • Visual Perception


  • Bone-conduction
  • Human-machine interface
  • Spatialised sound
  • Varying pitch
  • Vision impairment


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