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Voice Browser

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A voice browser is a device  that interprets voice input and interprets voice markup languages to generate voice output. It  interprets a script which specifies exactly what to verbally present to the user as well as when to present each piece of information.

What is “Voice Browser”

  •  A software application
  •  Works with various markup languages
  •   Interpret voice input and generate voice output.

    How Voice Browser works?

Actually working on five markup languages:

  1. Natural Language Semantics Markup Language
  2.  Dialog Markup Language
  3.  Text-to-Speech Markup Language
  4.  Multi-Modal Markup Language
    Key Technologies:

    •   Speech Recognition
    •   Speech Synthesis

    Speech Recognition : Voice input ->VoXML  file -> Text.  Voice Browser - speech recognition

                Speech Synthesis: Text  -> VoXML file -> Output(Pre-recorded)Voice Browser - speech synthesis

Possible Application:

i. Accessing business information:

  •  The corporate “front desk” which asks callers who or what they want
  • Automated telephone ordering services
  • Support desks
  • Order tracking
  • Airline arrival and departure information
  • Cinema and theater booking services
  • Home banking services

ü Accessing public information:

  • Community information such as weather, traffic conditions, school closures, directions and events
  • Local, national and international news
  • National and international stock market information
  • Business and e-commerce transactions

iü Accessing personal information:

  • Voice mail
  • Calendars, address and telephone lists
  • Personal horoscope
  • Personal newsletter
  • To-do lists, shopping lists, and calorie counters

Benefits:

  •   Voice is a very natural user interface which speeds up browsing.
  •   Fewer space requirements.
  •   Portable voice browsers can also be implemented.
  •   Practical interface for functionally blind users.
  •   Users can browse the web while keeping their hands and eyes for other jobs.
  •   Access to telephones and wireless phones than to desktop browsers.
  •   Hands-free access is needed.
  •   Easy to use – for people with no knowledge or fear of computers.

FUTURE DIRECTIONS AND ISSUES

 It  is much more  to  a  voice  browser  being  usable  than  devising  a  speech markup  language  or mimicking  a telephone  voice  response  system.  Using  audio  only  to  browse  the Web  is  much  more  than  adding  multimedia capabilities  to  a  visual  browser.  The  following  summarizes  some  future  research  directions  to  make voice browsers a reality:

  • The problem of intelligently speaking a heavily formatted page that uses tables inside tables inside tables.
  • Better WWW programming languages.
  •  Speaker verification for secure access.
  •  Requirements for interoperable mechanisms for controlling synthetic speech engines using a markup language, style sheets or scripting.
  •  Support for multilingual documents.
  •  Ability to include non-speech audio samples (branding).
Mohit Arora
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Mohit Arora

Founder at CatchUpdates
Hi, I am Mohit Arora, a passionate blogger and addicted reader. You can check my another blog TutorialsJar where I share programming tutorials.

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