Automatic Speech Recognition: Systematic Literature Review

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Electrical Engineering and Systems Science > Audio and Speech Processing

Title: end-to-end speech recognition: a survey.

Abstract: In the last decade of automatic speech recognition (ASR) research, the introduction of deep learning brought considerable reductions in word error rate of more than 50% relative, compared to modeling without deep learning. In the wake of this transition, a number of all-neural ASR architectures were introduced. These so-called end-to-end (E2E) models provide highly integrated, completely neural ASR models, which rely strongly on general machine learning knowledge, learn more consistently from data, while depending less on ASR domain-specific experience. The success and enthusiastic adoption of deep learning accompanied by more generic model architectures lead to E2E models now becoming the prominent ASR approach. The goal of this survey is to provide a taxonomy of E2E ASR models and corresponding improvements, and to discuss their properties and their relation to the classical hidden Markov model (HMM) based ASR architecture. All relevant aspects of E2E ASR are covered in this work: modeling, training, decoding, and external language model integration, accompanied by discussions of performance and deployment opportunities, as well as an outlook into potential future developments.

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Speech emotion recognition methods: A literature review

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Babak Basharirad , Mohammadreza Moradhaseli; Speech emotion recognition methods: A literature review. AIP Conf. Proc. 3 October 2017; 1891 (1): 020105. https://doi.org/10.1063/1.5005438

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Recently, attention of the emotional speech signals research has been boosted in human machine interfaces due to availability of high computation capability. There are many systems proposed in the literature to identify the emotional state through speech. Selection of suitable feature sets, design of a proper classifications methods and prepare an appropriate dataset are the main key issues of speech emotion recognition systems. This paper critically analyzed the current available approaches of speech emotion recognition methods based on the three evaluating parameters (feature set, classification of features, accurately usage). In addition, this paper also evaluates the performance and limitations of available methods. Furthermore, it highlights the current promising direction for improvement of speech emotion recognition systems.

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LITERATURE SURVEY – SPEECH RECOGINATION AND PREPROCESSING

Profile image of gokula krishnan

Automatic speech Recognition(ASR) is more important in the information and communication technology. ASR is used to fill a form, Frist Spoken can be converted into text(STT). The audio noise can be removed by MCFF Algorithm. The audio can be converted into corresponding English characters by using Dynamic Bayesian Network (DBN) and then it can be visualized in the Form format. It will recognize all Accents using learning method and stored in Knowledge base. People who are uneducated and blindfor them it would be helpful. Their audio can be captured from the environment and then the noise can be removed from the audio. After that speech can be coded as characters. Atlast From will be generated in Format.

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ICDSMLA 2019 pp 745–752 Cite as

A Study on Sign Language Recognition-A Literature Survey

  • P. V. Naresh 37 ,
  • R. Visalakshi 37 &
  • B. Satyanarayana 38  
  • Conference paper
  • First Online: 19 May 2020

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 601))

This survey primarily focuses on the recent development of technologies being used for hearing loss and speech loss people to converse easily and frequently with usual people. The work so far gone for the development introduced in various technologies and techniques such as smart gloves, android application, techniques such as Convolution Neural Networks, Gaussian filtering, HMM, speech to text, video to Text then to Speech etc. The system was tested with SSVM classifier to check the accuracy with 10 sample gestures and found that the average recognition rate was 95.4% accuracy. Hence I conclude based on the accuracy obtained in test results my future work will continue on SSVM classifier.

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Department of Computer Science & Engineering, Annamalai University, Annamalai Nagar, Chennai, India

P. V. Naresh & R. Visalakshi

Department of Computer Science & Engineering, CMR Institute of Technology, Hyderabad, India

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Naresh, P.V., Visalakshi, R., Satyanarayana, B. (2020). A Study on Sign Language Recognition-A Literature Survey. In: Kumar, A., Paprzycki, M., Gunjan, V. (eds) ICDSMLA 2019. Lecture Notes in Electrical Engineering, vol 601. Springer, Singapore. https://doi.org/10.1007/978-981-15-1420-3_80

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