Uses of Sound

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Uses of Sound
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Agenda

• Questions
• Project demo sign-up
• One point from last lecture
• Todays paper
• Other uses of sound
• Automated universal access
• UIST 2001 videos

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One interesting tidbit

• Linking physical and electronic world
• http//www.theregister.co.uk/content/2/19442.html

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Mediated Voice Comm

• UIST 2002
• Chris Schmandts Speech Interface Group
• http//www.media.mit.edu/speech/
• What happens when we add computational
  capabilities to sound channels.

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Features of audio channels

• Medium voice
• Synchronous vs. Asynchronous
• Connectivity 1-1, 1-m, m-n
• Remote vs. Collocated
• Active vs. inactive
• Storage
• Processing

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Applications

• Garblephone
• Tattletrail
• Event-triggered channels (e.g., BabyMon, WatchDog)

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Garblephone

• Giving caller and callee control over different
  modes of communication

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Tattletrails

• Audio chat with catch-up capabilities
• Audio skimming, both forward and reverse

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Event-triggered channels

• Use channel for transmission only after
  recognized event

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Other applications

• UIST 2001 Real-time audio buffering
• Ubicomp 2001 Family Intercom
• Personal Audio Loop
• Non-verbal voice input