Angel Review
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Monday, October 15, 12
Did it get easier?
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Monday, October 15, 12
Problem
Design!?!?!
Multiple Toppings on Question Pages?
Logic Pages?
Data Pages?
Variables?
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Monday, October 15, 12
Types Of Pages
Message Page
Question Page
Data Page
Voicemail Page
Logic Page
Variables
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Monday, October 15, 12
Message Page
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Monday, October 15, 12
What does it do?
Reads text-to-speech prompts
Can play stored variables
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Monday, October 15, 12
What does it do?
Relays a Message
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Monday, October 15, 12
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
What does it do?
Reads text-to-speech prompts
Can play stored variables
Can record users response to questions
Stores users response to questions
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Monday, October 15, 12
What does it do?
Asks a question, records a response as a
variable
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
14
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Voicemail Page
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Monday, October 15, 12
What does it do?
Asks a question, records a response as an
audio file
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Monday, October 15, 12
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Variables
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Monday, October 15, 12
What do they do?
Store users responses
Allows responses to be used in the system
Can be manipulated
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Monday, October 15, 12
What do they do?
Enable re-use
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Monday, October 15, 12
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Logic Pages
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Monday, October 15, 12
Example:Weather 2
1000
GetZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
Logic Pages!
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Monday, October 15, 12
Logic Pages!
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Monday, October 15, 12
Logic Pages!
•
Condition And/Or/If statements:
If temperature is <60 say “Bring a jacket”
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Monday, October 15, 12
Logic Pages!
•
Condition And/Or/If statements:
If temperature is <60 say “Bring a jacket”
•
Assignment of new variable:
temperature = a, play “The temperature is <a>”
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Monday, October 15, 12
Logic Pages!
•
Condition And/Or/If statements:
If temperature is <60 say “Bring a jacket”
•
Assignment of new variable:
temperature = a, play “The temperature is <a>”
•
Transformation change existing variable a = a+1
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
31
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
33
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
34
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
35
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
36
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
Monday, October 15, 12
Data Pages
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Monday, October 15, 12
Data Pages (advanced)
• Two Kinds of Data Pages
• Put Data In (Coke/Pepsi)
• Take Data Out
• We’ll need both (2 separate data pages) to
identify users
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Monday, October 15, 12
Old Call flow
1000
GetZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
New Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
New Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
New Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
http://ocw.mit.edu/fairuse.
45
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
46
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
47
Monday, October 15, 12
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Store User Data
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Store User Data
CallerID
Variable: Set
for you!
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Get Stored User Data
© Angel.com Inc. All rights reserved. This content is excluded from our Creative
Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Angel
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Monday, October 15, 12
Angel
• Angel’s strong suits:
• Speech recognition (arguably)
• User experience construction
• Fast development
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Monday, October 15, 12
Angel
• Angel’s strong suits:
• Speech recognition (arguably)
• User experience construction
• Fast development
• Angel’s weaknesses:
• Communicating with the outside world
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Monday, October 15, 12
Solutions
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Monday, October 15, 12
Solutions
• Angel knows it’s limitations
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Monday, October 15, 12
Solutions
• Angel knows it’s limitations
• Transaction pages allow for extended
functionality
•
•
•
•
•
Communicate with websites
Communicate with devices
Store and retrieve tons of data
More complex logic
Other cool stuff
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Monday, October 15, 12
Transaction Pages
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Monday, October 15, 12
Transaction Page
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Commons license. For more information, see http://ocw.mit.edu/fairuse.
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Monday, October 15, 12
Old Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromData
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Weather_2
011.xls
New Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromGoogle
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Google
Weather
New Call flow
500
GetStored
ZipCode
known caller
new caller
1000
GetZipCode
1050
StoreZipCode
1100
GetWeather
FromGoogle
1300
DoINeed
AJacket
1400
TellWeather
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Monday, October 15, 12
zipcode
temp
Google
Weather
How it works
ZIP
Data
ZIP
Custom
Script
Weather
&HOO3KRQH
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Monday, October 15, 12
ZIP
WeatherXML
Specifics
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Monday, October 15, 12
Specifics
•
HTTP Request to a specific URL
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Monday, October 15, 12
Specifics
•
•
HTTP Request to a specific URL
Variable and constants sent as parameters
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Monday, October 15, 12
Specifics
•
•
•
HTTP Request to a specific URL
Variable and constants sent as parameters
Acceptable response types:
•
•
•
•
•
Text-To-Speach
Audio file
•
•
Internal (relative)
External (Absolute)
Link to Voice Page
Phone Number
AngelXML
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Monday, October 15, 12
Running the Code
• PHP, Python, Perl, etc....
• Use scripts.mit.edu to make your life easier
• http://scripts.mit.edu/start/
• Easy, step by step directions
• Very quick response time
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Monday, October 15, 12
How it works
ZIP
Data
ZIP
Custom
Script
Weather
Cell Phone
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Monday, October 15, 12
ZIP
WeatherXML
MIT OpenCourseWare
http://ocw.mit.edu
ESD.051J / 6.902J Engineering Innovation and Design
Fall 2012
For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms.
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