A complete project on speech recognition technology used in computers, and other daily life machines, like mobile phones etc.

1. Project On
Speech Recognition
System
Submitted to: Dr. Roshan A. Sheikh
IQBAL
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Reg # 9952
MBA(M) – Section A

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Contents
Introduction
1
Terms and Concepts
2
Hardware
3
Uses / Applications
4
Future Applications
5
SR Software
6
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Introduction to Speech Recognition
 What is Speech Recognition
 Speech Recognition Simply is the process of converting spoken
input to text.
 It is also known as Speech-to-Text and Voice Recognition.
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Terms and Concepts
 Utterances
 Pronounciation
 Grammer
 Speaker Dependent System
 Speaker Independent System
 Training
 Accuracy
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Hardware
 Sound Cards
 Soundcard with the cleanest A/D (Analog to
Digital) conversions are recommended.
 Microphone
 The best choice for microphone is the headset
style.
 Computers / Processors
 The more the speed the better Speech
Recognition would work. For good Speech
Recognition you should be having 1 GHz
processor and 1 GB of RAM.
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Uses / Applications
 Military
 High Performance Aircrafts
 Helicopters
 Training Air Traffic Controllers
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Uses / Applications
 People with Disabilities
Speech recognition technology helps people with disabilities interact with
computers more easily. People with motor limitations, who cannot use a
standard keyboard and mouse, can use their voices to navigate the
computer and create documents.
 Dyslexic People
Speech Recognition Technology is helpful for people with learning
disabilities, who experience difficulty with spelling and writing.
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Uses / Applications
 Computer and Video Games
Speech input has been used in a limited number of
computer and video games. The Microsoft
Xbox, Nintendo GameCube, and Sony PlayStation 2
consoles all offer games with speech input/output.
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Uses / Applications
 Medical Transcription
 Mobile Phone Devices
 Voice Security System
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Future Applications
 Home Automation
There is a lot of interest in the use of SR in domestic appliances such as
ovens, refrigerators, dishwashers and washing machines.
 Wearable Computers
The most futuristic application is in the use and functionality of wearable
computers.
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Speech Recognition Software
 Dragon Naturally Speeking
 IBM Via Voice
 Microsoft Speech Recognition System
 MacSpeech Dictate
 Philips Speech Magic
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Speech Recognition Software
 IBM Via Voice
IBM ViaVoice is a range of language
specific continuous speech software
products offered by IBM.
ViaVoice is the only program that will run
on older or less powerful computers.
ViaVoice has a great dictation ability.
It converts your speech into text and also
perform actions in response to your speech.
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Speech Recognition Software
 Microsoft Speech Recognition System
Speech recognition technology has been used in some of
Microsoft's products, including Microsoft Dictation, Office
XP, Office 2003, Office 2007, Microsoft Plus! for Windows
XP, Windows XP Tablet PC Edition, and Windows Mobile.
However, prior to Windows Vista, speech recognition was not
mainstream. In response, Windows Speech Recognition was
bundled with Windows Vista and released in 2006, making
the operating system the first mainstream version of
Microsoft Windows to offer fully-integrated support for
speech recognition.
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Speech Recognition Software
 Philips Speech Magic
SpeechMagic is an industrial grade platform for capturing
information in a digital format. It has been developed by
Philips Speech Recognition Systems of Vienna, Austria.
SpeechMagic features large-vocabulary speech recognition as
well as a number of services aimed at supporting “accurate,
convenient and efficient” information capturing in healthcare
IT applications. The technology is mainly used in the
healthcare sector, however, applications are also available for
the legal market as well as for tax consultants.
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Speech Recognition Software
 Other Commercial Software
• HTK
• CSLU Toolkit
• Simmortel Voice
• Quack.com by AOL
• SpeechWorks
• Bable Technologies
• Vocalis Speechware
• Entropic
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Conclusion
 Speech recognition will revolutionize the way people conduct
business over the Web and will, ultimately, differentiate
world-class e-businesses. VoiceXML ties speech recognition
and telephony together and provides the technology with
which businesses can develop and deploy voice-enabled Web
solutions TODAY! These solutions can greatly expand the
accessibility of Web-based self-service transactions to
customers who would otherwise not have access, and, at the
same time, leverage a business’ existing Web investments.
Speech recognition and VoiceXML clearly represent the next
wave of the Web. In near future people will be using their
home and business computers by speech not by keyboard or
mouse. Home automation will be completely based on speech
recognition system. LOGO

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