Automatic Speech Recognition (ASR)

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What is Automatic Speech Recognition?

Automatic Speech Recognition (ASR), also known as speech-to-text (STT), is a versatile subfield of computational linguistics that configures technologies that enable computers to recognize and convert natural spoken language into text. 

Specific ASR software integrations rely on programmers to initially ‘train’ the software to recognize speech by reading a series of texts and isolated vocabulary into the system.

As opposed to the “speaker dependent” systems that require training, ones that do not require such training are known as “speaker independent” systems.


To this day, the most advanced versions of automatic speech recognition systems revolve around Natural Language Processing (NLP). By interlacing ASR with NLP technology, systems have a greater probability of answering its users more accurately by mimicking humans as closely as possible through natural language.  


Nevertheless, despite weaving natural language processing technology into ASR systems to increase accuracy rates, perfect results can only truly be attained when humans create ideal dialogue conditions such as simple ‘yes’ and ‘no’ styled questions. 


How does Automatic Speech Recognition Work


The flow under which automated speech recognition systems operate to break down and analyze text to respond in a significant way goes as follows:

Zajechowski, M. 2019, Automatic Speech Recognition (ASR) Software - An Introduction. Usability Geek.
Zajechowski, M. 2019, Automatic Speech Recognition (ASR) Software - An Introduction. Usability Geek.



Critical Forms of Automatic Speech Recognition   


The two central Automatic Speech Recognition software adaptations are:


  • Directed Dialogue: This is the simpler variant of ASR and consists of a machine telling you to answer using a specific word from a list of choices, therefore formulating their response to users' narrowly defined requests. Custom service centers commonly use this type of automatic speech recognition to manage a myriad of incoming calls. 
  • Natural Language Conversations: This type of ASR represents the description provided in the introduction segment of this softwares' description. Natural language conversation automatic speech recognition systems try to simulate real conversations through an open-ended chat format. 

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Conversational AI
Digital Transformation
Natural Language
Automatic Speech Recognition (ASR)
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