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We present a probabilistic model that uses both prosodic and lexical cues for the automatic segmentation of speech into topically coherent units. We propose two methods for combining lexical and prosodic information using hidden Markov…

Computation and Language · Computer Science 2022-02-28 G. Tur , D. Hakkani-Tur , A. Stolcke , E. Shriberg

Applying the word2vec technique, commonly used in language modeling, to melodies, where notes are treated as words in sentences, enables the capture of pitch information. This study examines two datasets: 20 children's songs and an excerpt…

Computation and Language · Computer Science 2024-10-30 Daniel Defays

Language identification greatly impacts the success of downstream tasks such as automatic speech recognition. Recently, self-supervised speech representations learned by wav2vec 2.0 have been shown to be very effective for a range of speech…

Computation and Language · Computer Science 2021-10-19 Andros Tjandra , Diptanu Gon Choudhury , Frank Zhang , Kritika Singh , Alexis Conneau , Alexei Baevski , Assaf Sela , Yatharth Saraf , Michael Auli

This paper is motivated by the automation of neuropsychological tests involving discourse analysis in the retellings of narratives by patients with potential cognitive impairment. In this scenario the task of sentence boundary detection in…

Computation and Language · Computer Science 2017-08-17 Marcos V. Treviso , Christopher D. Shulby , Sandra M. Aluisio

Current state-of-the-art methods for automatic synthetic speech evaluation are based on MOS prediction neural models. Such MOS prediction models include MOSNet and LDNet that use spectral features as input, and SSL-MOS that relies on a…

The rapid spread of media content synthesis technology and the potentially damaging impact of audio and video deepfakes on people's lives have raised the need to implement systems able to detect these forgeries automatically. In this work…

Sound · Computer Science 2022-11-01 Luigi Attorresi , Davide Salvi , Clara Borrelli , Paolo Bestagini , Stefano Tubaro

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

This study is focused on understanding and quantifying the change in phoneme and prosody information encoded in the Self-Supervised Learning (SSL) model, brought by an accent identification (AID) fine-tuning task. This problem is addressed…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-13 Mu Yang , Ram C. M. C. Shekar , Okim Kang , John H. L. Hansen

Audio Word2Vec offers vector representations of fixed dimensionality for variable-length audio segments using Sequence-to-sequence Autoencoder (SA). These vector representations are shown to describe the sequential phonetic structures of…

Computation and Language · Computer Science 2018-02-20 Chia-Hao Shen , Janet Y. Sung , Hung-Yi Lee

The performance of spoofing countermeasure systems depends fundamentally upon the use of sufficiently representative training data. With this usually being limited, current solutions typically lack generalisation to attacks encountered in…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-01 Hemlata Tak , Massimiliano Todisco , Xin Wang , Jee-weon Jung , Junichi Yamagishi , Nicholas Evans

Neural latent variable models enable the discovery of interesting structure in speech audio data. This paper presents a comparison of two different approaches which are broadly based on predicting future time-steps or auto-encoding the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-28 Henry Zhou , Alexei Baevski , Michael Auli

In this paper, we present how to hybridize a Word2vec model and an attention-based end-to-end speech recognition model. We build a phoneme recognition system based on Listen, Attend and Spell model. And the phoneme recognition model uses a…

Computation and Language · Computer Science 2019-12-20 Xin Feng , Lei Wang

Audio deepfakes are increasingly in-differentiable from organic speech, often fooling both authentication systems and human listeners. While many techniques use low-level audio features or optimization black-box model training, focusing on…

Sound · Computer Science 2025-02-21 Kevin Warren , Daniel Olszewski , Seth Layton , Kevin Butler , Carrie Gates , Patrick Traynor

Automatic methods to predict listener opinions of synthesized speech remain elusive since listeners, systems being evaluated, characteristics of the speech, and even the instructions given and the rating scale all vary from test to test.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Erica Cooper , Wen-Chin Huang , Tomoki Toda , Junichi Yamagishi

Recent advancements in end-to-end speech synthesis have made it possible to generate highly natural speech. However, training these models typically requires a large amount of high-fidelity speech data, and for unseen texts, the prosody of…

Computation and Language · Computer Science 2021-11-16 Zhu Li , Yuqing Zhang , Mengxi Nie , Ming Yan , Mengnan He , Ruixiong Zhang , Caixia Gong

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

Wav2vec2 has achieved success in applying Transformer architecture and self-supervised learning to speech recognition. Recently, these have come to be used not only for speech recognition but also for the entire speech processing. This…

Sound · Computer Science 2023-09-12 Harunori Kawano , Sota Shimizu

In this paper, we propose a novel end-to-end sequence-to-sequence spoken language understanding model using an attention mechanism. It reliably selects contextual acoustic features in order to hypothesize semantic contents. An initial…

Computation and Language · Computer Science 2021-05-20 Valentin Pelloin , Nathalie Camelin , Antoine Laurent , Renato De Mori , Antoine Caubrière , Yannick Estève , Sylvain Meignier

In this paper, we propose a novel approach for accurate detection of the vowel onset points (VOPs). VOP is the instant at which the vowel begins in the speech signal. Precise identification of VOPs is important for various speech…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-26 Kumud Tripathi , K. Sreenivasa Rao