English
Related papers

Related papers: Using Second-Order Hidden Markov Model to Improve …

200 papers

To improve the performance of speaker identification systems, an effective and robust method is proposed to extract speech features, capable of operating in noisy environment. Based on the time-frequency multi-resolution property of wavelet…

Sound · Computer Science 2010-03-31 Mahmoud I. Abdalla , Hanaa S. Ali

We present a new algorithm for identifying the transition and emission probabilities of a hidden Markov model (HMM) from the emitted data. Expectation-maximization becomes computationally prohibitive for long observation records, which are…

Computation and Language · Computer Science 2018-06-20 Kejun Huang , Xiao Fu , Nicholas D. Sidiropoulos

This paper presents a novel application of speech emotion recognition: estimation of the level of conversational engagement between users of a voice communication system. We begin by using machine learning techniques, such as the support…

Sound · Computer Science 2007-05-23 Chen Yu , Paul M. Aoki , Allison Woodruff

In this paper, we propose a novel supervised single-channel speech enhancement method combing the the Kullback-Leibler divergence-based non-negative matrix factorization (NMF) and hidden Markov model (NMF-HMM). With the application of HMM,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-01 Yang Xiang , Liming Shi , Jesper Lisby Højvang , Morten Højfeldt Rasmussen , Mads Græsbøll Christensen

We present a framework for the induction of semantic frames from utterances in the context of an adaptive command-and-control interface. The system is trained on an individual user's utterances and the corresponding semantic frames…

Computation and Language · Computer Science 2019-01-31 Janneke van de Loo , Jort F. Gemmeke , Guy De Pauw , Bart Ons , Walter Daelemans , Hugo Van hamme

In this paper, we propose a new method based on Hidden Markov Models to interpret temporal sequences of sensor data from mobile robots to automatically detect features. Hidden Markov Models have been used for a long time in pattern…

Artificial Intelligence · Computer Science 2007-05-23 Olivier Aycard , Jean-Francois Mari , Richard Washington

The partially observable hidden Markov model is an extension of the hidden Markov Model in which the hidden state is conditioned on an independent Markov chain. This structure is motivated by the presence of discrete metadata, such as an…

Information Theory · Computer Science 2017-11-21 John V. Monaco , Charles C. Tappert

Language models (LMs) based on Long Short Term Memory (LSTM) have shown good gains in many automatic speech recognition tasks. In this paper, we extend an LSTM by adding highway networks inside an LSTM and use the resulting Highway LSTM…

Computation and Language · Computer Science 2017-09-20 Gakuto Kurata , Bhuvana Ramabhadran , George Saon , Abhinav Sethy

This research work is about recent development made in speech recognition. In this research work, analysis of isolated digit recognition in the presence of different bit rates and at different noise levels has been performed. This research…

Computation and Language · Computer Science 2022-08-30 Muskan Garg , Naveen Aggarwal

This paper introduces the performance evaluation of statistical approaches for TextIndependent speaker recognition system using source feature. Linear prediction LP residual is used as a representation of excitation information in speech.…

Computation and Language · Computer Science 2011-04-26 R. Rajeswara Rao , V. Kamakshi Prasad , A. Nagesh

This paper describes the conversion of a Hidden Markov Model into a sequential transducer that closely approximates the behavior of the stochastic model. This transformation is especially advantageous for part-of-speech tagging because the…

cmp-lg · Computer Science 2008-02-03 Andre Kempe

We study the problem of learning a named entity recognition (NER) tagger using noisy labels from multiple weak supervision sources. Though cheap to obtain, the labels from weak supervision sources are often incomplete, inaccurate, and…

Computation and Language · Computer Science 2021-06-01 Yinghao Li , Pranav Shetty , Lucas Liu , Chao Zhang , Le Song

Hidden Markov Models (HMMs) are foundational tools for modeling sequential data with latent Markovian structure, yet fitting them to real-world data remains computationally challenging. In this work, we show that pre-trained large language…

Machine Learning · Computer Science 2026-04-27 Yijia Dai , Zhaolin Gao , Yahya Sattar , Sarah Dean , Jennifer J. Sun

Hidden Markov Models (HMMs) are a ubiquitous tool to model time series data, and have been widely used in two main tasks of Automatic Music Transcription (AMT): note segmentation, i.e. identifying the played notes after a multi-pitch…

Machine Learning · Statistics 2017-04-13 D. Cazau , G. Nuel

Sequence-to-sequence models with an implicit alignment mechanism (e.g. attention) are closing the performance gap towards traditional hybrid hidden Markov models (HMM) for the task of automatic speech recognition. One important factor to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-21 Wilfried Michel , Ralf Schlüter , Hermann Ney

The importance of speaking style authentication from human speech is gaining an increasing attention and concern from the engineering community. The importance comes from the demand to enhance both the naturalness and efficiency of spoken…

Sound · Computer Science 2017-07-03 Ismail Shahin

This paper proposes a novel Sequence-to-Sequence (Seq2Seq) model integrating the structure of Hidden Semi-Markov Models (HSMMs) into its attention mechanism. In speech synthesis, it has been shown that methods based on Seq2Seq models using…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-01 Yoshihiko Nankaku , Kenta Sumiya , Takenori Yoshimura , Shinji Takaki , Kei Hashimoto , Keiichiro Oura , Keiichi Tokuda

This paper proposes an approach to build a high-quality text-to-speech (TTS) system for technical domains using data augmentation. An end-to-end (E2E) system is trained on hidden Markov model (HMM) based synthesized speech and further…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-23 Ishika Gupta , Anusha Prakash , Jom Kuriakose , Hema A. Murthy

In this work, we conducted an empirical comparative study of the performance of text-independent speaker verification in emotional and stressful environments. This work combined deep models with shallow architecture, which resulted in novel…

Sound · Computer Science 2021-12-28 Ismail Shahin , Ali Bou Nassif , Nawel Nemmour , Ashraf Elnagar , Adi Alhudhaif , Kemal Polat

Hidden semi-Markov models (HSMMs) are latent variable models which allow latent state persistence and can be viewed as a generalization of the popular hidden Markov models (HMMs). In this paper, we introduce a novel spectral algorithm to…

Machine Learning · Statistics 2016-03-01 Igor Melnyk , Arindam Banerjee