Presentation Outline
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VAHCS VAHCS V V oice oice A A ctivated ctivated H H ome ome C C ontrol ontrol S S ystem ystem By: By: Kyle Joseph Kyle Joseph Troy Resetich Troy Resetich Advisors: Dr. Advisors: Dr. Malinowski Malinowski Dr. Schertz Dr. Schertz
description
VAHCS V oice A ctivated H ome C ontrol S ystem By: Kyle Joseph Troy Resetich Advisors: Dr. Malinowski Dr. Schertz. Presentation Outline. Project Summary Functional Description Block Diagram IR Capture IR Transmission Voice Direct II interface User Interface Conclusion. - PowerPoint PPT Presentation
Transcript of Presentation Outline
VAHCSVAHCSVVoice oice AActivated ctivated HHome ome CControl ontrol
SSystemystem
By:By:Kyle JosephKyle Joseph
Troy ResetichTroy Resetich
Advisors: Dr. Advisors: Dr. Malinowski Malinowski Dr. SchertzDr. Schertz
Presentation OutlinePresentation Outline
Project SummaryProject Summary
Functional DescriptionFunctional Description
Block DiagramBlock Diagram IR CaptureIR Capture IR TransmissionIR Transmission Voice Direct II interfaceVoice Direct II interface User InterfaceUser Interface
ConclusionConclusion
Infra-red
Presentation SummaryPresentation Summary
Project SummaryProject Summary
Control any IR activated deviceControl any IR activated device Via voice commandVia voice command
ProgrammableProgrammable Learn IR Code Learn IR Code Learn Voice CommandLearn Voice Command
Learn Multiple IR Commands Learn Multiple IR Commands per Voice Commandper Voice Command
User interfaceUser interface
Functional DescriptionFunctional Description
InputsInputs Voice CommandsVoice Commands IR Sequences To Be CapturedIR Sequences To Be Captured Key Presses (User Responses to Menu)Key Presses (User Responses to Menu)
OutputsOutputs User Interface Menu Via LCD ScreenUser Interface Menu Via LCD Screen Transmitted IR SequencesTransmitted IR Sequences Speaker Queuing User To Say Command Speaker Queuing User To Say Command
Word Word
Functional DescriptionFunctional Description
Modes Of OperationModes Of Operation
Continuous Voice RecognitionContinuous Voice Recognition
Command RecognizedCommand Recognized IR TransmitIR Transmit
Keypad Initiated Learn ModeKeypad Initiated Learn Mode Learn Voice CommandLearn Voice Command Learn IR Command(s)Learn IR Command(s)
Keypad Initiated Erase Mode Keypad Initiated Erase Mode IR SequencesIR Sequences Voice SystemsVoice Systems
Block DiagramBlock Diagram
Sub-Systems
8051 Microprocessor
SensoryVoice Direct II
(Voice -recognition
chip)
LCD(liquid crystal
display)
Keyboard
IR Receiver
IR Transmitter
Microphone
Speaker
Accomplished 1: SWAccomplished 1: SW
Logic of Capture is SamplingLogic of Capture is Sampling Each Sample Saved as Bit in External Each Sample Saved as Bit in External
MemoryMemory
Time Out of 7 seconds if no IR detectedTime Out of 7 seconds if no IR detected
720 samples per sequence720 samples per sequence
Accomplished 2: SWAccomplished 2: SW
Panasonic DVD Play
Sony VCR Play
Sony Receiver Aux
IR to X-10
DVD Discrete Off
Accomplished 3: SWAccomplished 3: SW
Sample every 100 Sample every 100 µsµs
72 ms Recording time for each IR 72 ms Recording time for each IR Sequence Sequence Logic Low Header IncludedLogic Low Header Included
Each Sequence Requires 90 Bytes of Each Sequence Requires 90 Bytes of MemoryMemory
Accomplished 4: SWAccomplished 4: SW
Transmitting Stored IR Sequences Uses Transmitting Stored IR Sequences Uses Same Logic and Timing as CapturingSame Logic and Timing as Capturing
Every 100 Every 100 µs one of the 720 samples sent µs one of the 720 samples sent to output pinto output pin
Accomplished 5: HWAccomplished 5: HW
Transmission of IR requires simple Transmission of IR requires simple modulation modulation 1 =>intensity of IR light 1 =>intensity of IR light
modulated with a triangle wavemodulated with a triangle wave 0 =>no IR light0 =>no IR light
Modulator = VCO, OP-AMP, Transistor, Modulator = VCO, OP-AMP, Transistor, IR-LEDIR-LED LED requires 76 mA (peak)LED requires 76 mA (peak)
Set Backs 1Set Backs 1
Some IR Codes Can Not Be Stored Using Some IR Codes Can Not Be Stored Using This MethodThis Method DVD Discrete OnDVD Discrete On IR to X-10IR to X-10
Set Backs 2Set Backs 2
Panasonic DVD Play
Sony VCR Play
Sony Receiver Aux
IR to X-10
DVD Discrete Off
VDII +User InterfaceVDII +User Interface
Control a complete menu interface Control a complete menu interface with voice activationwith voice activation
Co-ordinate voice inputs with IR signalsCo-ordinate voice inputs with IR signals
Create user-friendly interfaceCreate user-friendly interface
Problems:Problems:
Slave mode:Slave mode: ““not supported”not supported” Stand-alone (4 modes):Stand-alone (4 modes):
ESR, SCL, MCL, SWSESR, SCL, MCL, SWS
Utilize SCL “Single Trigger Continuous Listening”Utilize SCL “Single Trigger Continuous Listening”
Memory:Memory: 60 words different modes60 words different modes
SCL 1 trigger word + 15 wordsSCL 1 trigger word + 15 words
Number of I/0 pins availableNumber of I/0 pins available
Slave Mode:Slave Mode:
Originally the slave mode would allow the Originally the slave mode would allow the EMAC to control the voice templates.EMAC to control the voice templates.
SCL Mode:SCL Mode:
Number of I/O pins:Number of I/O pins:
2 VDII boards working in Parallel2 VDII boards working in Parallel 2 trigger-words or “systems”2 trigger-words or “systems”
30 commands or 15 per system30 commands or 15 per system Ports:Ports:
Share 8 pin parallel inputShare 8 pin parallel input TALK signalTALK signal
Monitor Talk signalMonitor Talk signal
Duration of 176ms
Duration of 32 ms
Voice Direct II/EMAC interfaceVoice Direct II/EMAC interface
Voice Direct II
Board
Input/output
configuration
TALK
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
MODE1
MODE2
TRAIN
TRIG-TRAIN
RESET
Held Externally
Emac Outputs
Emac Inputs
EMAC/Voice Direct II interface:EMAC/Voice Direct II interface:
EMAC
Board
Input/output
configuration
VDII CMOS
TALK Sys. 1
TALK Sys. 2
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
RECOG(1)
TRAIN(1)
TRIG-TRAIN(1)
RECOG(2)
TRAIN(2)
TRIG-TRAIN(2)
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
EMAC/Voice Direct II interface:EMAC/Voice Direct II interface:
Use CMOS switches MAX4614 active HIGHUse CMOS switches MAX4614 active HIGH
Delay used to output 105 ms pulse, INX portDelay used to output 105 ms pulse, INX port
VDII
RECOG(1)
TRAIN(1)
TRIG-TRAIN(1)
RECOG(2)
TRAIN(2)
TRIG-TRAIN(2)
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
VDII + User interface:VDII + User interface:
Initializations:Initializations: Reset both boardsReset both boards TRAIN & RECOG set HIGHTRAIN & RECOG set HIGH
Options:Options: Add New SystemAdd New System
Add New CommandAdd New Command
Delete SystemDelete System
Menu Flow-Chart:Menu Flow-Chart:
Add New System:Add New System:
Add New System:Add New System:
Add New Command:Add New Command:
Add New Command:Add New Command:
Add New Command:Add New Command:
Add New Command:Add New Command:
Add New Command:Add New Command:
Add New Command:Add New Command:
Delete System:Delete System:
Delete System:Delete System:
Delete System:Delete System:
Listening mode entered after any command is Listening mode entered after any command is storedstored
Trigger word + Command word RecognizedTrigger word + Command word Recognized
LED + Voice OutputLED + Voice Output
EMAC External I/0 inputEMAC External I/0 input
Corresponding IR RecalledCorresponding IR Recalled
IR outputIR output
VDII Feedback:VDII Feedback:
““Voice Activation”:Voice Activation”:
Receive Voice
Command Word?
No
Transmit IRSequence
Yes
Last IR Sequence?
No
Yes
Conclusion:Conclusion:
Currently Completed:Currently Completed: User interface operationalUser interface operational EMAC / VDII interface operationalEMAC / VDII interface operational IR Capture/TransmitIR Capture/Transmit
Possible Project Extensions:Possible Project Extensions: IR / Voice integrationIR / Voice integration Memory Problems (single EMAC board)Memory Problems (single EMAC board)
QUESTIONS?QUESTIONS?
