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Recently, progressive learning has shown its capacity to improve speech quality and speech intelligibility when it is combined with deep neural network (DNN) and long short-term memory (LSTM) based monaural speech enhancement algorithms,…

Sound · Computer Science 2020-01-14 Andong Li , Minmin Yuan , Chengshi Zheng , Xiaodong Li

Sleep-disordered breathing (SDB) is a serious and prevalent condition, and acoustic analysis via consumer devices (e.g. smartphones) offers a low-cost solution to screening for it. We present a novel approach for the acoustic identification…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Hector E. Romero , Ning Ma , Guy J. Brown , Amy V. Beeston , Madina Hasan

A promising approach for multi-microphone speech separation involves two deep neural networks (DNN), where the predicted target speech from the first DNN is used to compute signal statistics for time-invariant minimum variance…

Sound · Computer Science 2021-10-04 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

Transformer-based models excel in speech recognition. Existing efforts to optimize Transformer inference, typically for long-context applications, center on simplifying attention score calculations. However, streaming speech recognition…

Machine Learning · Computer Science 2024-01-22 Yang Li , Liangzhen Lai , Yuan Shangguan , Forrest N. Iandola , Zhaoheng Ni , Ernie Chang , Yangyang Shi , Vikas Chandra

This study tackles unsupervised subword modeling in the zero-resource scenario, learning frame-level speech representation that is phonetically discriminative and speaker-invariant, using only untranscribed speech for target languages.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Siyuan Feng , Tan Lee

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. To improve robustness of speaker recognition system performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Yanpei Shi , Qiang Huang , Thomas Hain

In recent years, the introduction of neural networks (NNs) into the field of speech enhancement has brought significant improvements. However, many of the proposed methods are quite demanding in terms of computational complexity and memory…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-19 Ernst Seidel , Pejman Mowlaee , Tim Fingscheidt

After their introduction to robust speech recognition, power normalized cepstral coefficient (PNCC) features were successfully adopted to other tasks, including speaker verification. However, as a feature extractor with long-term operations…

Sound · Computer Science 2021-09-27 Xuechen Liu , Md Sahidullah , Tomi Kinnunen

Low power deep learning accelerators on the speech processing enable real-time applications on edge devices. However, most of the existing accelerators suffer from high power consumption and focus on image applications only. This paper…

Sound · Computer Science 2023-12-18 Chih-Chyau Yang , Tian-Sheuan Chang

This study proposes a fully convolutional network (FCN) model for raw waveform-based speech enhancement. The proposed system performs speech enhancement in an end-to-end (i.e., waveform-in and waveform-out) manner, which dif-fers from most…

Machine Learning · Statistics 2017-06-16 Szu-Wei Fu , Yu Tsao , Xugang Lu , Hisashi Kawai

Prediction of late reverberation component using multi-channel linear prediction (MCLP) in short-time Fourier transform (STFT) domain is an effective means to enhance reverberant speech. Traditionally, a speech power spectral density (PSD)…

Audio and Speech Processing · Electrical Eng. & Systems 2018-12-05 Srikanth Raj Chetupalli , Thippur V. Sreenivas

Deep Neural Networks (DNN) have been successful in en- hancing noisy speech signals. Enhancement is achieved by learning a nonlinear mapping function from the features of the corrupted speech signal to that of the reference clean speech…

Machine Learning · Computer Science 2016-06-16 Zhenzhou Wu , Sunil Sivadas , Yong Kiam Tan , Ma Bin , Rick Siow Mong Goh

Long Short-Term Memory (LSTM) is a recurrent neural network (RNN) architecture that has been designed to address the vanishing and exploding gradient problems of conventional RNNs. Unlike feedforward neural networks, RNNs have cyclic…

Neural and Evolutionary Computing · Computer Science 2014-02-06 Haşim Sak , Andrew Senior , Françoise Beaufays

In this paper, we propose a noise robust bottleneck feature representation which is generated by an adversarial network (AN). The AN includes two cascade connected networks, an encoding network (EN) and a discriminative network (DN).…

Sound · Computer Science 2017-06-13 Hong Yu , Zheng-Hua Tan , Zhanyu Ma , Jun Guo

Voice conversion for highly expressive speech is challenging. Current approaches struggle with the balancing between speaker similarity, intelligibility and expressiveness. To address this problem, we propose Expressive-VC, a novel…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Ziqian Ning , Qicong Xie , Pengcheng Zhu , Zhichao Wang , Liumeng Xue , Jixun Yao , Lei Xie , Mengxiao Bi

Recognition systems are commonly designed to authenticate users at the access control levels of a system. A number of voice recognition methods have been developed using a pitch estimation process which are very vulnerable in low Signal to…

Sound · Computer Science 2020-09-08 Aman Chadha , Divya Jyoti , M. Mani Roja

Continuous speech separation (CSS) aims to separate overlapping voices from a continuous influx of conversational audio containing an unknown number of utterances spoken by an unknown number of speakers. A common application scenario is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-14 Zhuohuang Zhang , Takuya Yoshioka , Naoyuki Kanda , Zhuo Chen , Xiaofei Wang , Dongmei Wang , Sefik Emre Eskimez

Pitch estimation is an essential step of many speech processing algorithms, including speech coding, synthesis, and enhancement. Recently, pitch estimators based on deep neural networks (DNNs) have have been outperforming well-established…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-17 Krishna Subramani , Jean-Marc Valin , Jan Buethe , Paris Smaragdis , Mike Goodwin

With computers getting more and more powerful and integrated in our daily lives, the focus is increasingly shifting towards more human-friendly interfaces, making Automatic Speech Recognition (ASR) a central player as the ideal means of…

Sound · Computer Science 2021-01-25 Dennis Pinto , Jose-María Arnau , Antonio González

We have recently shown that deep Long Short-Term Memory (LSTM) recurrent neural networks (RNNs) outperform feed forward deep neural networks (DNNs) as acoustic models for speech recognition. More recently, we have shown that the performance…

Computation and Language · Computer Science 2015-07-27 Haşim Sak , Andrew Senior , Kanishka Rao , Françoise Beaufays