van warren van warren april 2002 the echomatic™. what is the echomatic™? an ultrasonic mobility...
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What IsWhat IsThe The Echomatic™?Echomatic™?
An Ultrasonic Mobility An Ultrasonic Mobility DeviceDevice
For the Visually ImpairedFor the Visually Impaired
What DoesWhat DoesThe Echomatic™ The Echomatic™ Do?Do?
Paints a Sound PicturePaints a Sound Pictureof the Visual World Usingof the Visual World UsingTI Digital Signal Processors™TI Digital Signal Processors™
U.S. StatisticsU.S. Statistics
• 10 Million Visually Impaired10 Million Visually Impaired• 1.3 Million Legally Blind1.3 Million Legally Blind• 1.5 Million Use Computers1.5 Million Use Computers• Only 116,000 Use Cane or Only 116,000 Use Cane or DogDog
The Echomatic™
• Worn like a Walkman™.Worn like a Walkman™.• Generalization of Echo Generalization of Echo LocationLocation• Exploits Human Exploits Human NeurophysiologyNeurophysiology• Natural: Found in Dolphins, Natural: Found in Dolphins, BatsBats
Echo Echo LocationLocation
• Appears in Cane TappingAppears in Cane Tapping• Appears in Tongue ClickingAppears in Tongue Clicking• Echomatic™ Magnifies Resolution Echomatic™ Magnifies Resolution && TextureTexture of Acoustic Image Fantasticallyof Acoustic Image Fantastically• User Interactively “Sounds Out” User Interactively “Sounds Out” EnvironmentEnvironment
Sight Sight ImpairedImpairedAdvantagesAdvantages
• Can Hear Higher Can Hear Higher FrequenciesFrequencies• Can Hear Fainter SoundsCan Hear Fainter Sounds• Better at Phase Better at Phase DifferencesDifferences
Phase in the sound domain is Phase in the sound domain is equivalent to stereopsis in the visual equivalent to stereopsis in the visual domain.domain.
Fully Fully SightedSightedAdvantagesAdvantages
• Explore in New Explore in New WavelengthsWavelengths• Zero EMI CommunicationZero EMI Communication• Marine CommunicationMarine Communication
Phase in the sound domain is Phase in the sound domain is equivalent to stereopsis in the visual equivalent to stereopsis in the visual domain.domain.
Echomatic ™ Architecture
Echomatic ™ on TI DSP™
Project Status
• Outbound Algorithms Outbound Algorithms WorkingWorking• Inbound Algorithms Inbound Algorithms WorkingWorking• Decomposition UnderstoodDecomposition Understood• Single 6711 DSK Prototype Single 6711 DSK Prototype BuiltBuilt• Three DSK Prototype Three DSK Prototype UnderwayUnderway
Opportunity for TI
• Exciting PossibilitiesExciting Possibilities In Personal Device Market In Personal Device Market• Personal Medical DevicesPersonal Medical Devices• Personal EntertainmentPersonal Entertainment•““Snap Together” PrototypingSnap Together” Prototyping
Opportunity for WDV
• Engineering SupportEngineering Support• Packaging SupportPackaging Support• Project SupportProject Support
Engineering Support
• Codec IntegrationCodec Integration• Audio Amplifier SelectionAudio Amplifier Selection• Digital Audio (low noise)Digital Audio (low noise)
Distribution Distribution ChannelChannel
•via Janus:via Janus:Qualified User ContactQualified User Contact
Professional User TrainingProfessional User Training
Systematic User FollowupSystematic User Followup
Technical Support!Technical Support!
Distribution Distribution Cont’dCont’d
• Worldwide Market 24x U.S.Worldwide Market 24x U.S.• Engineered and Sold:Engineered and Sold:
– Like “Walkman” OrLike “Walkman” Or
“ “A Calculator” to SightedA Calculator” to Sighted– Like “Hearing Aid” to Visually Like “Hearing Aid” to Visually ImpairedImpaired
ContactContactInformationInformation
L. Van WarrenL. Van [email protected]@wdv.com501-224-7434 home office501-224-7434 home office501-231-5426 mobile501-231-5426 mobile
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