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Nowadays, neural vocoders can generate very high-fidelity speech when a bunch of training data is available. Although a speaker-dependent (SD) vocoder usually outperforms a speaker-independent (SI) vocoder, it is impractical to collect a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-11 Yi-Chiao Wu , Cheng-Hung Hu , Hung-Shin Lee , Yu-Huai Peng , Wen-Chin Huang , Yu Tsao , Hsin-Min Wang , Tomoki Toda

While speaker adaptation for end-to-end speech synthesis using speaker embeddings can produce good speaker similarity for speakers seen during training, there remains a gap for zero-shot adaptation to unseen speakers. We investigate…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-05 Erica Cooper , Cheng-I Lai , Yusuke Yasuda , Fuming Fang , Xin Wang , Nanxin Chen , Junichi Yamagishi

Hyperbolic embeddings offer excellent quality with few dimensions when embedding hierarchical data structures like synonym or type hierarchies. Given a tree, we give a combinatorial construction that embeds the tree in hyperbolic space with…

Machine Learning · Computer Science 2018-04-25 Christopher De Sa , Albert Gu , Christopher Ré , Frederic Sala

This paper proposes novel algorithms for speaker embedding using subjective inter-speaker similarity based on deep neural networks (DNNs). Although conventional DNN-based speaker embedding such as a $d$-vector can be applied to…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-22 Yuki Saito , Shinnosuke Takamichi , Hiroshi Saruwatari

Diffusion models are the de facto approach for generating high-quality images and videos, but learning high-dimensional models remains a formidable task due to computational and optimization challenges. Existing methods often resort to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jiatao Gu , Shuangfei Zhai , Yizhe Zhang , Josh Susskind , Navdeep Jaitly

We present an end-to-end deep network model that performs meeting diarization from single-channel audio recordings. End-to-end diarization models have the advantage of handling speaker overlap and enabling straightforward handling of…

Sound · Computer Science 2021-05-06 Soumi Maiti , Hakan Erdogan , Kevin Wilson , Scott Wisdom , Shinji Watanabe , John R. Hershey

Speaker embedding is an important front-end module to explore discriminative speaker features for many speech applications where speaker information is needed. Current SOTA backbone networks for speaker embedding are designed to aggregate…

Sound · Computer Science 2022-03-18 Ruiteng Zhang , Jianguo Wei , Xugang Lu , Wenhuan Lu , Di Jin , Junhai Xu , Lin Zhang , Yantao Ji , Jianwu Dang

Recently, direct modeling of raw waveforms using deep neural networks has been widely studied for a number of tasks in audio domains. In speaker verification, however, utilization of raw waveforms is in its preliminary phase, requiring…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Jee-weon Jung , Hee-Soo Heo , Ju-ho Kim , Hye-jin Shim , Ha-Jin Yu

Recently, more and more zero-shot voice conversion algorithms have been proposed. As a fundamental part of zero-shot voice conversion, speaker embeddings are the key to improving the converted speech's speaker similarity. In this paper, we…

Sound · Computer Science 2022-03-21 Ruitong Xiao , Haitong Zhang , Yue Lin

Though significant progress has been made for the voice conversion (VC) of typical speech, VC for atypical speech, e.g., dysarthric and second-language (L2) speech, remains a challenge, since it involves correcting for atypical prosody…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-26 Disong Wang , Songxiang Liu , Lifa Sun , Xixin Wu , Xunying Liu , Helen Meng

In this paper, we introduce a large-scale and high-quality audio-visual speaker verification dataset, named VoxBlink. We propose an innovative and robust automatic audio-visual data mining pipeline to curate this dataset, which contains…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-14 Yuke Lin , Xiaoyi Qin , Guoqing Zhao , Ming Cheng , Ning Jiang , Haiyang Wu , Ming Li

Representation learning is fundamental to NLP, but building embeddings that work well at different computational budgets is challenging. Matryoshka Representation Learning (MRL) offers a flexible inference paradigm through nested…

Computation and Language · Computer Science 2026-04-28 Phung Gia Huy , Hai An Vu , Minh-Phuc Truong , Thang Duc Tran , Linh Ngo Van , Thanh Hong Nguyen , Trung Le

End-to-end neural diarization (EEND) models offer significant improvements over traditional embedding-based Speaker Diarization (SD) approaches but falls short on generalizing to long-form audio with large number of speakers.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-28 Xiang Li , Vivek Govindan , Rohit Paturi , Sundararajan Srinivasan

In this work, we continue in our research on i-vector extractor for speaker verification (SV) and we optimize its architecture for fast and effective discriminative training. We were motivated by computational and memory requirements caused…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-10 Ondrej Novotny , Oldrich Plchot , Ondrej Glembek , Lukas Burget

Speaker diarisation systems often cluster audio segments using speaker embeddings such as i-vectors and d-vectors. Since different types of embeddings are often complementary, this paper proposes a generic framework to improve performance…

Computation and Language · Computer Science 2019-02-11 Guangzhi Sun , Chao Zhang , Phil Woodland

We propose an interpretable Batch-EM Unfolded Network for robust speaker localization. By embedding the iterative EM procedure within an encoder-EM-decoder architecture, the method mitigates initialization sensitivity and improves…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-18 Rina Veler , Sharon Gannot

Learning sentence embeddings is a fundamental problem in natural language processing. While existing research primarily focuses on enhancing the quality of sentence embeddings, the exploration of sentence embedding dimensions is limited.…

Computation and Language · Computer Science 2023-10-25 Hongwei Wang , Hongming Zhang , Dong Yu

Learning speaker turn embeddings has shown considerable improvement in situations where conventional speaker modeling approaches fail. However, this improvement is relatively limited when compared to the gain observed in face embedding…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Nam Le , Jean-Marc Odobez

For many years, i-vector based audio embedding techniques were the dominant approach for speaker verification and speaker diarization applications. However, mirroring the rise of deep learning in various domains, neural network based audio…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-25 Quan Wang , Carlton Downey , Li Wan , Philip Andrew Mansfield , Ignacio Lopez Moreno

Speech enhancement aims to improve the perceptual quality of the speech signal by suppression of the background noise. However, excessive suppression may lead to speech distortion and speaker information loss, which degrades the performance…

Sound · Computer Science 2021-10-05 Yi Ma , Kong Aik Lee , Ville Hautamaki , Haizhou Li