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Wav2vec-C introduces a novel representation learning technique combining elements from wav2vec 2.0 and VQ-VAE. Our model learns to reproduce quantized representations from partially masked speech encoding using a contrastive loss in a way…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-25 Samik Sadhu , Di He , Che-Wei Huang , Sri Harish Mallidi , Minhua Wu , Ariya Rastrow , Andreas Stolcke , Jasha Droppo , Roland Maas

Conventional spoofing detection systems have heavily relied on the use of handcrafted features derived from speech data. However, a notable shift has recently emerged towards the direct utilization of raw speech waveforms, as demonstrated…

Benefiting from the development of deep learning, text-to-speech (TTS) techniques using clean speech have achieved significant performance improvements. The data collected from real scenes often contains noise and generally needs to be…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Qiushi Zhu , Yu Gu , Rilin Chen , Chao Weng , Yuchen Hu , Lirong Dai , Jie Zhang

The goal of this contribution is to use a parametric speech synthesis system for reducing background noise and other interferences from recorded speech signals. In a first step, Hidden Markov Models of the synthesis system are trained. Two…

Sound · Computer Science 2017-07-06 Daniel Dzibela , Armin Sehr

This paper explores applying the wav2vec2 framework to speaker recognition instead of speech recognition. We study the effectiveness of the pre-trained weights on the speaker recognition task, and how to pool the wav2vec2 output sequence…

Sound · Computer Science 2022-05-09 Nik Vaessen , David A. van Leeuwen

Wav2vec2.0 is a popular self-supervised pre-training framework for learning speech representations in the context of automatic speech recognition (ASR). It was shown that wav2vec2.0 has a good robustness against the domain shift, while the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-10 Qiu-Shi Zhu , Jie Zhang , Zi-Qiang Zhang , Ming-Hui Wu , Xin Fang , Li-Rong Dai

We explore unsupervised pre-training for speech recognition by learning representations of raw audio. wav2vec is trained on large amounts of unlabeled audio data and the resulting representations are then used to improve acoustic model…

Computation and Language · Computer Science 2019-09-12 Steffen Schneider , Alexei Baevski , Ronan Collobert , Michael Auli

Unsupervised speech recognition has shown great potential to make Automatic Speech Recognition (ASR) systems accessible to every language. However, existing methods still heavily rely on hand-crafted pre-processing. Similar to the trend of…

Computation and Language · Computer Science 2022-06-16 Alexander H. Liu , Wei-Ning Hsu , Michael Auli , Alexei Baevski

We introduce a text-to-speech(TTS) framework based on a neural transducer. We use discretized semantic tokens acquired from wav2vec2.0 embeddings, which makes it easy to adopt a neural transducer for the TTS framework enjoying its monotonic…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-09 Minchan Kim , Myeonghun Jeong , Byoung Jin Choi , Dongjune Lee , Nam Soo Kim

Visual Speech Recognition (VSR) differs from the common perception tasks as it requires deeper reasoning over the video sequence, even by human experts. Despite the recent advances in VSR, current approaches rely on labeled data to fully…

Neural models have become ubiquitous in automatic speech recognition systems. While neural networks are typically used as acoustic models in more complex systems, recent studies have explored end-to-end speech recognition systems based on…

Computation and Language · Computer Science 2017-09-15 Yonatan Belinkov , James Glass

While mel-spectrograms have been widely utilized as intermediate representations in zero-shot text-to-speech (TTS), their inherent redundancy leads to inefficiency in learning text-speech alignment. Compact VAE-based latent representations…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-02 Zhikang Niu , Shujie Hu , Jeongsoo Choi , Yushen Chen , Peining Chen , Pengcheng Zhu , Yunting Yang , Bowen Zhang , Jian Zhao , Chunhui Wang , Xie Chen

The adoption of advanced deep learning architectures in stuttering detection (SD) tasks is challenging due to the limited size of the available datasets. To this end, this work introduces the application of speech embeddings extracted from…

Sound · Computer Science 2023-06-02 Shakeel A. Sheikh , Md Sahidullah , Fabrice Hirsch , Slim Ouni

Recent advances in self-supervised learning through contrastive training have shown that it is possible to learn a competitive speech recognition system with as little as 10 minutes of labeled data. However, these systems are…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-02 Lasse Borgholt , Tycho Max Sylvester Tax , Jakob Drachmann Havtorn , Lars Maaløe , Christian Igel

Some recent studies have demonstrated the feasibility of single-stage neural text-to-speech, which does not need to generate mel-spectrograms but generates the raw waveforms directly from the text. Single-stage text-to-speech often faces…

Sound · Computer Science 2022-07-14 Zhengxi Liu , Qiao Tian , Chenxu Hu , Xudong Liu , Menglin Wu , Yuping Wang , Hang Zhao , Yuxuan Wang

Data-driven models achieve successful results in Speech Emotion Recognition (SER). However, these models, which are often based on general acoustic features or end-to-end approaches, show poor performance when the testing set has a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-15 Duowei Tang , Peter Kuppens , Lucca Geurts , Toon van Waterschoot

Using representations provided by a large pre-trained model has become the primary strategy for achieving state-of-the-art results in a wide range of tasks. A recently proposed large pre-trained model, wav2vec 2.0, was seminal for several…

Computation and Language · Computer Science 2025-12-01 Jonatas Grosman , Cassio Almeida , Guilherme Schardong , Hélio Lopes

This paper presents a simple end-to-end model for speech recognition, combining a convolutional network based acoustic model and a graph decoding. It is trained to output letters, with transcribed speech, without the need for force…

Machine Learning · Computer Science 2016-09-14 Ronan Collobert , Christian Puhrsch , Gabriel Synnaeve

Recent advancements in visual speech recognition (VSR) have promoted progress in lip-to-speech synthesis, where pre-trained VSR models enhance the intelligibility of synthesized speech by providing valuable semantic information. The success…

Sound · Computer Science 2025-02-18 Yifan Liang , Fangkun Liu , Andong Li , Xiaodong Li , Chengshi Zheng

Wav2Vec2.0 is a state-of-the-art model which learns speech representations through unlabeled speech data, aka, self supervised learning. The pretrained model is then fine tuned on small amounts of labeled data to use it for speech-to-text…

Sound · Computer Science 2022-02-15 Santosh Gondi