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Text error correction aims to correct the errors in text sequences such as those typed by humans or generated by speech recognition models. Previous error correction methods usually take the source (incorrect) sentence as encoder input and…

Computation and Language · Computer Science 2022-11-28 Kai Shen , Yichong Leng , Xu Tan , Siliang Tang , Yuan Zhang , Wenjie Liu , Edward Lin

Speaker-independent speech recognition systems trained with data from many users are generally robust against speaker variability and work well for a large population of speakers. However, these systems do not always generalize well for…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-17 Khe Chai Sim , Petr Zadrazil , Françoise Beaufays

End-to-end (E2E) models have made rapid progress in automatic speech recognition (ASR) and perform competitively relative to conventional models. To further improve the quality, a two-pass model has been proposed to rescore streamed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-19 Ke Hu , Tara N. Sainath , Ruoming Pang , Rohit Prabhavalkar

The efficacy of external language model (LM) integration with existing end-to-end (E2E) automatic speech recognition (ASR) systems can be improved significantly using the internal language model estimation (ILME) method. In this method, the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-26 Zhong Meng , Naoyuki Kanda , Yashesh Gaur , Sarangarajan Parthasarathy , Eric Sun , Liang Lu , Xie Chen , Jinyu Li , Yifan Gong

Wav2vec 2.0 is a recently proposed self-supervised framework for speech representation learning. It follows a two-stage training process of pre-training and fine-tuning, and performs well in speech recognition tasks especially ultra-low…

Sound · Computer Science 2021-01-15 Zhiyun Fan , Meng Li , Shiyu Zhou , Bo Xu

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

While universal vocoders have achieved proficient waveform generation across diverse voices, their integration into text-to-speech (TTS) tasks often results in degraded synthetic quality. To address this challenge, we present a novel…

Sound · Computer Science 2024-09-05 Jeongmin Liu , Eunwoo Song

This paper studies the task of speech reconstruction from ultrasound tongue images and optical lip videos recorded in a silent speaking mode, where people only activate their intra-oral and extra-oral articulators without producing sound.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-13 Rui-Chen Zheng , Yang Ai , Zhen-Hua Ling

The accuracy of end-to-end (E2E) automatic speech recognition (ASR) models continues to improve as they are scaled to larger sizes, with some now reaching billions of parameters. Widespread deployment and adoption of these models, however,…

This paper proposes a model for transforming speech features using the frequency-directional attention model for End-to-End (E2E) automatic speech recognition. The idea is based on the hypothesis that in the phoneme system of each language,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-30 Akihiro Dobashi , Chee Siang Leow , Hiromitsu Nishizaki

Recent research has shown that large language models pretrained using unsupervised approaches can achieve significant performance improvement on many downstream tasks. Typically when adapting these language models to downstream tasks, like…

Computation and Language · Computer Science 2022-06-08 Xiaodi Sun , Sunny Rajagopalan , Priyanka Nigam , Weiyi Lu , Yi Xu , Belinda Zeng , Trishul Chilimbi

We study the effectiveness of several techniques to personalize end-to-end speech models and improve the recognition of proper names relevant to the user. These techniques differ in the amounts of user effort required to provide…

Reconstructing natural speech from neural activity is vital for enabling direct communication via brain-computer interfaces. Previous efforts have explored the conversion of neural recordings into speech using complex deep neural network…

Sound · Computer Science 2024-02-01 Jiawei Li , Chunxu Guo , Li Fu , Lu Fan , Edward F. Chang , Yuanning Li

Approaching Speech-to-Text and Automatic Speech Recognition problems in low-resource languages is notoriously challenging due to the scarcity of validated datasets and the diversity of dialects. Arabic, Russian, and Portuguese exemplify…

Computation and Language · Computer Science 2025-01-03 Or Haim Anidjar , Revital Marbel , Roi Yozevitch

Masked language modeling is a widely used method for learning language representations, where the model predicts a randomly masked word in each input. However, this approach typically considers only a single correct answer during training,…

Computation and Language · Computer Science 2025-04-10 Seunghyun Ji , Soowon Lee

The lack of labeled second language (L2) speech data is a major challenge in designing mispronunciation detection models. We introduce SpeechBlender - a fine-grained data augmentation pipeline for generating mispronunciation errors to…

Sound · Computer Science 2023-07-13 Yassine El Kheir , Shammur Absar Chowdhury , Ahmed Ali , Hamdy Mubarak , Shazia Afzal

Precise control over speech characteristics, such as pitch, duration, and speech rate, remains a significant challenge in the field of voice conversion. The ability to manipulate parameters like pitch and syllable rate is an important…

Sound · Computer Science 2025-07-08 Mathilde Abrassart , Nicolas Obin , Axel Roebel

End-to-end (E2E) models have achieved promising results on multiple speech recognition benchmarks, and shown the potential to become the mainstream. However, the unified structure and the E2E training hamper injecting contextual information…

Computation and Language · Computer Science 2021-02-19 Minglun Han , Linhao Dong , Shiyu Zhou , Bo Xu

Phoneme boundary detection plays an essential first step for a variety of speech processing applications such as speaker diarization, speech science, keyword spotting, etc. In this work, we propose a neural architecture coupled with a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-18 Felix Kreuk , Yaniv Sheena , Joseph Keshet , Yossi Adi

In this paper, we analyzed how audio-visual speech enhancement can help to perform the ASR task in a cocktail party scenario. Therefore we considered two simple end-to-end LSTM-based models that perform single-channel audio-visual speech…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-28 Luca Pasa , Giovanni Morrone , Leonardo Badino