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In this paper we utilize techniques from the theory of non-linear dynamical systems to define a notion of embedding threshold estimators. More specifically we use delay-coordinates embeddings of sets of coefficients of the measured signal…

Data Analysis, Statistics and Probability · Physics 2015-06-26 D. Napoletani , C. A. Berenstein , T. Sauer , D. C. Struppa , D. Walnut

We propose a novel technique for joint estimation of angle and delay of radio wave arrival in a multipath mobile communication channel using knowledge of the transmitted pulse shape function. Employing an array of sensors to sample the…

Computational Engineering, Finance, and Science · Computer Science 2012-03-02 Pradip Sircar

We analyze (stochastic) gradient descent (SGD) with delayed updates on smooth quasi-convex and non-convex functions and derive concise, non-asymptotic, convergence rates. We show that the rate of convergence in all cases consists of two…

Machine Learning · Computer Science 2021-06-17 Sebastian U. Stich , Sai Praneeth Karimireddy

We present a fast and high-quality codec language model for parallel audio generation. While SoundStorm, a state-of-the-art parallel audio generation model, accelerates inference speed compared to autoregressive models, it still suffers…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Myeonghun Jeong , Minchan Kim , Joun Yeop Lee , Nam Soo Kim

We address the problem of acoustic source separation in a deep learning framework we call "deep clustering." Rather than directly estimating signals or masking functions, we train a deep network to produce spectrogram embeddings that are…

Neural and Evolutionary Computing · Computer Science 2015-08-19 John R. Hershey , Zhuo Chen , Jonathan Le Roux , Shinji Watanabe

Recent research has identified discriminatory behavior of automated prediction algorithms towards groups identified on specific protected attributes (e.g., gender, ethnicity, age group, etc.). When deployed in real-world scenarios, such…

Machine Learning · Computer Science 2023-12-20 Anubha Pandey , Aditi Rai , Maneet Singh , Deepak Bhatt , Tanmoy Bhowmik

This paper investigates the utilization of an end-to-end diarization model as post-processing of conventional clustering-based diarization. Clustering-based diarization methods partition frames into clusters of the number of speakers; thus,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-24 Shota Horiguchi , Paola Garcia , Yusuke Fujita , Shinji Watanabe , Kenji Nagamatsu

The response to a setpoint change in PID controlled feedback systems plays an important role for the tuning methods. This response may be easily evaluated in linear systems without delay by solving the related ordinary differential…

Optimization and Control · Mathematics 2007-05-23 Gianpasquale Martelli

Speech synthesis technology has posed a serious threat to speaker verification systems. Currently, the most effective fake audio detection methods utilize pretrained models, and integrating features from various layers of pretrained model…

In this paper, we present a variational inference algorithm that decomposes a signal into multiple groups of related spectral lines. The spectral lines in each group are associated with a group parameter common to all spectral lines within…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Jakob Möderl , Franz Pernkopf , Klaus Witrisal , Erik Leitinger

Naturalistic speech recordings usually contain speech signals from multiple speakers. This phenomenon can degrade the performance of speech technologies due to the complexity of tracing and recognizing individual speakers. In this study, we…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-14 Midia Yousefi , John H. L. Hansen

Speech dereverberation aims to alleviate the negative impact of late reverberant reflections. The weighted prediction error (WPE) method is a well-established technique known for its superior performance in dereverberation. However, in…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-07 Ziye Yang , Mengfei Zhang , Jie Chen

We present an algorithm using transformation groups and their irreducible representations to generate an orthogonal basis for a signal in the vector space of the signal. It is shown that multiresolution analysis can be done with amplitudes…

Computer Vision and Pattern Recognition · Computer Science 2012-01-17 B. Rajathilagam , Murali Rangarajan , K. P. Soman

Crowd management technologies that leverage computer vision are widespread in contemporary times. There exists many security-related applications of these methods, including, but not limited to: following the flow of an array of people and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Soufien Hamrouni , Hakim Ghazzai , Hamid Menouar , Yahya Massoud

The focus of this paper is the estimation of a delay between two signals. Such a problem is common in signal processing and particularly challenging when the delay is non-stationary in nature. Our proposed solution is based on an all-pass…

Signal Processing · Electrical Eng. & Systems 2021-06-17 Beth Jelfs , Shuai Sun , Kamran Ghorbani , Christopher Gilliam

Pitch estimation is to estimate the fundamental frequency and the midi number and plays a critical role in music signal analysis and vocal signal processing. In this work, we proposed a new architecture based on a learning-based enhancement…

Sound · Computer Science 2023-05-09 Yu Cheng Hung , Ping Hung Chen , Jian Jiun Ding

In wave propagation theories, many problems of multi-sensor systems utilize time delay in their solution in signal processing. This technique finds great utility in seismic exploration and static correction (low-velocity weathering), which…

Computational Physics · Physics 2018-01-25 Ashraf H. Yahia , El-Sayed El-Dahshan , Albert K. Guirguis

As for other forms of AI, speech recognition has recently been examined with respect to performance disparities across different user cohorts. One approach to achieve fairness in speech recognition is to (1) identify speaker cohorts that…

In typical multi-talker speech recognition systems, a neural network-based acoustic model predicts senone state posteriors for each speaker. These are later used by a single-talker decoder which is applied on each speaker-specific output…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-18 Martin Kocour , Kateřina Žmolíková , Lucas Ondel , Ján Švec , Marc Delcroix , Tsubasa Ochiai , Lukáš Burget , Jan Černocký

The mechanism proposed here is for real-time speaker change detection in conversations, which firstly trains a neural network text-independent speaker classifier using in-domain speaker data. Through the network, features of conversational…

Sound · Computer Science 2017-03-20 Zhenhao Ge , Ananth N. Iyer , Srinath Cheluvaraja , Aravind Ganapathiraju