Lecture 10: Angel Review - MIT OpenCourseWare · Types Of Pages Message Page Question Page Data...

Angel Review

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Monday, October 15, 12

Did it get easier?

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Problem

Design!?!?!

Multiple Toppings on Question Pages?

Logic Pages?

Data Pages?

Variables?

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Types Of Pages Message Page

Question Page

Data Page

Voicemail Page

Logic Page

Variables

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Message Page

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What does it do?

Reads text-to-speech prompts

Can play stored variables

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What does it do?

Relays a Message

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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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What does it do?

Asks a question, records a response as avariable

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Voicemail Page

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What does it do?

Asks a question, records a response as anaudio file

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Variables

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What do they do? Store users responses

Allows responses to be used in the system

Can be manipulated

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What do they do?

Enable re-use

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Logic Pages

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Example:Weather 2 1000

GetZipCode

1100 GetWeather FromData

1300 DoINeed AJacket

Weather_2 011.xls

zipcode

temp

1400 TellWeather

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Logic Pages!

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Logic Pages!

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Logic Pages!

• Condition And/Or/If statements:

If temperature is <60 say “Bring a jacket”

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Logic Pages!



• Assignment of new variable: temperature = a, play “The temperature is <a>”

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Logic Pages!



• Assignment of new variable: temperature = a, play “The temperature is <a>”

• Transformation change existing variable a = a+1

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Data Pages

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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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Old Call flow 1000

GetZipCode



Weather_2 011.xls

zipcode

temp

1400 TellWeather

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New Call flow

1000 GetZipCode

1050 StoreZipCode



Weather_2 011.xls

zipcode

temp

1400 TellWeather

500 GetStored ZipCode

new caller

known caller

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New Call flow

1000 GetZipCode

1050 StoreZipCode



Weather_2 011.xls

zipcode

temp

1400 TellWeather


new caller

known caller

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New Call flow

1000 GetZipCode

1050 StoreZipCode



Weather_2 011.xls

zipcode

temp

1400 TellWeather


new caller

known caller

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© Angel.com Inc. All rights reserved. This content is excluded from our Creative© Angel.com Inc. All rights reserved. This content is excluded from our CreativeCommons license. For more information, see Commons license. For more information, see http://ocw.mit.edu/fairusehttp://ocw.mit.edu/fairuse..


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Store User Data

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Store User Data

CallerID Variable: Set

for you!

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Get Stored User Data

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Angel

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Angel • Angel’s strong suits:

• Speech recognition (arguably)

• User experience construction

• Fast development

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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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Solutions

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Solutions • Angel knows it’s limitations

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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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Transaction Pages

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Transaction Page

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Old Call flow 1000

GetZipCode

1050 StoreZipCode



Weather_2 011.xls

zipcode

temp

1400 TellWeather


new caller

known caller

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New Call flow 1000

GetZipCode

1050 StoreZipCode

1100 GetWeather FromGoogle


GoogleWeather

zipcode

temp

1400 TellWeather


new caller

known caller

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New Call flow 1000

GetZipCode

1050 StoreZipCode

1100 GetWeather FromGoogle


GoogleWeather

zipcode

temp

1400 TellWeather


new caller

known caller

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How it works

Custom

Script

ZIP

Data

ZIP

WeatherXML

ZIPWeather

&HOO�3KRQH

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Specifics

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Specifics • HTTP Request to a specific URL

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• Variable and constants sent as parameters

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• 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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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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http://scripts.mit.edu/start/

http://scripts.mit.edu/start/

How it works

Custom

Script

ZIP

Data

ZIP

WeatherXML

ZIPWeather

Cell Phone

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ESD.051J / 6.902J Engineering Innovation and DesignFall 2012

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Lecture 10: Angel Review - MIT OpenCourseWare · Types Of Pages Message Page Question Page Data...

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