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Automatic Speech Recognition Systems

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Automatic Speech Recognition Systems
ITM 5000
Kevin Curtis

Automatic Speech Recognition Systems
Week 9
December 14th, 2009
Mike Sticksel

This paper will evaluate several different types automatic speech recognition software packages. The author will address the following questions as it relates to ASR systems: price point of each software program; Whether or not these systems are speaker independent or speaker dependent; Whether or not they support continuous speech recognition or discreet speech recognition; Do the programs offer add-on vocabularies for purchase. In addition, the author will evaluate his level of comfort in speaking the contents of term paper as opposed to typing one. And lastly, the level of organization required to use speech recognition as opposed to typing. The first automated speech recognition system the author will analyze is produced by a company called Application Technology, or AppTek. AppTek is located in McLean, Virginia, and has been in the Human Language Technology field for over 20 years. AppTek’s ASR product is called PlainSpeech, and is used for speech dictation, broadcast and telephony. This program can do anything from a simple chain of numbers to vocabularies of up to 100,000 words. PlainSpeech recognizes continuous speech, offers gender-independent speech recognition, as well as speaker dependent and speaker independent modes. PlainSpeech also offers a scalable vocabulary as well as a scalable number of recognized languages. At this time however, the author of this paper was unable to locate a price for this product on the manufacturers website. (apptek.com, 2009) The next product is from a company called Nuance also known as Dragon Naturally Speaking. Nuance offers several different versions from the basic to a more advanced version for legal professionals. Nuance offers several different accent features from Spanish to Southern as well as several vocabulary options. Nuance allows for custom creation


References: http://www.apptek.com/index.php/plainspeech http://www.nuance.com/naturallyspeaking/products/product-matrix.asp http://www.macspeech.com/pages.php?pID=149
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