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Related papers: When CTC Training Meets Acoustic Landmarks

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Most existing sequence labelling models rely on a fixed decomposition of a target sequence into a sequence of basic units. These methods suffer from two major drawbacks: 1) the set of basic units is fixed, such as the set of words,…

Computation and Language · Computer Science 2017-08-15 Hairong Liu , Zhenyao Zhu , Xiangang Li , Sanjeev Satheesh

Segmental conditional random fields (SCRFs) and connectionist temporal classification (CTC) are two sequence labeling methods used for end-to-end training of speech recognition models. Both models define a transcription probability by…

Computation and Language · Computer Science 2017-06-07 Liang Lu , Lingpeng Kong , Chris Dyer , Noah A. Smith

Models for streaming speech translation (ST) can achieve high accuracy and low latency if they're developed with vast amounts of paired audio in the source language and written text in the target language. Yet, these text labels for the…

Computation and Language · Computer Science 2024-10-08 Rui Zhao , Jinyu Li , Ruchao Fan , Matt Post

This paper tests the hypothesis that distinctive feature classifiers anchored at phonetic landmarks can be transferred cross-lingually without loss of accuracy. Three consonant voicing classifiers were developed: (1) manually selected…

Computation and Language · Computer Science 2017-08-23 Xiang Kong , Xuesong Yang , Mark Hasegawa-Johnson , Jeung-Yoon Choi , Stefanie Shattuck-Hufnagel

End-to-end speech recognition models trained using joint Connectionist Temporal Classification (CTC)-Attention loss have gained popularity recently. In these models, a non-autoregressive CTC decoder is often used at inference time due to…

Computation and Language · Computer Science 2022-11-15 Saket Dingliwal , Monica Sunkara , Sravan Bodapati , Srikanth Ronanki , Jeff Farris , Katrin Kirchhoff

Furui first demonstrated that the identity of both consonant and vowel can be perceived from the C-V transition; later, Stevens proposed that acoustic landmarks are the primary cues for speech perception, and that steady-state regions are…

Computation and Language · Computer Science 2018-05-16 Di He , Boon Pang Lim , Xuesong Yang , Mark Hasegawa-Johnson , Deming Chen

The two most common paradigms for end-to-end speech recognition are connectionist temporal classification (CTC) and attention-based encoder-decoder (AED) models. It has been argued that the latter is better suited for learning an implicit…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 Lasse Borgholt , Jakob Drachmann Havtorn , Željko Agić , Anders Søgaard , Lars Maaløe , Christian Igel

Connectionist Temporal Classification (CTC) model is a very efficient method for modeling sequences, especially for speech data. In order to use CTC model as an Automatic Speech Recognition (ASR) task, the beam search decoding with an…

Computation and Language · Computer Science 2023-06-28 Minkyu Jung , Ohhyeok Kwon , Seunghyun Seo , Soonshin Seo

End-to-end (E2E) systems have shown comparable performance to hybrid systems for automatic speech recognition (ASR). Word timings, as a by-product of ASR, are essential in many applications, especially for subtitling and computer-aided…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-14 Xianzhao Chen , Yist Y. Lin , Kang Wang , Yi He , Zejun Ma

End-to-end acoustic speech recognition has quickly gained widespread popularity and shows promising results in many studies. Specifically the joint transformer/CTC model provides very good performance in many tasks. However, under noisy and…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-20 Wentao Yu , Steffen Zeiler , Dorothea Kolossa

Training automatic speech recognition (ASR) systems requires large amounts of data in the target language in order to achieve good performance. Whereas large training corpora are readily available for languages like English, there exists a…

Audio and Speech Processing · Electrical Eng. & Systems 2017-11-15 Markus Müller , Sebastian Stüker , Alex Waibel

End-to-end (E2E) automatic speech recognition (ASR) systems have revolutionized the field by integrating all components into a single neural network, with attention-based encoder-decoder models achieving state-of-the-art performance.…

Computation and Language · Computer Science 2025-07-01 Duygu Altinok

Audio tagging aims to predict one or several labels in an audio clip. Many previous works use weakly labelled data (WLD) for audio tagging, where only presence or absence of sound events is known, but the order of sound events is unknown.…

Sound · Computer Science 2018-08-07 Yuanbo Hou , Qiuqiang Kong , Shengchen Li

Attention-based methods and Connectionist Temporal Classification (CTC) network have been promising research directions for end-to-end Automatic Speech Recognition (ASR). The joint CTC/Attention model has achieved great success by utilizing…

Computation and Language · Computer Science 2018-11-13 Ruizhi Li , Xiaofei Wang , Sri Harish Mallidi , Takaaki Hori , Shinji Watanabe , Hynek Hermansky

Non-autoregressive (NAR) models for automatic speech recognition (ASR) aim to achieve high accuracy and fast inference by simplifying the autoregressive (AR) generation process of conventional models. Connectionist temporal classification…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-29 Yuya Fujita , Shinji Watanabe , Xuankai Chang , Takashi Maekaku

This paper proposes an adaptation method for end-to-end speech recognition. In this method, multiple automatic speech recognition (ASR) 1-best hypotheses are integrated in the computation of the connectionist temporal classification (CTC)…

Computation and Language · Computer Science 2021-04-01 Cong-Thanh Do , Rama Doddipatla , Thomas Hain

Despite recent advances in end-to-end speech recognition methods, the output tends to be biased to the training data's vocabulary, resulting in inaccurate recognition of proper nouns and other unknown terms. To address this issue, we…

Computation and Language · Computer Science 2025-06-03 Yu Nakagome , Michael Hentschel

Unified Speech Recognition (USR) has emerged as a semi-supervised framework for training a single model for audio, visual, and audiovisual speech recognition, achieving state-of-the-art results on in-distribution benchmarks. However, its…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Alexandros Haliassos , Rodrigo Mira , Stavros Petridis

Recent end-to-end Automatic Speech Recognition (ASR) systems demonstrated the ability to outperform conventional hybrid DNN/ HMM ASR. Aside from architectural improvements in those systems, those models grew in terms of depth, parameters…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-06 Ludwig Kürzinger , Dominik Winkelbauer , Lujun Li , Tobias Watzel , Gerhard Rigoll

One fascinating aspect of pre-trained Audio-Language Models (ALMs) learning is their impressive zero-shot generalization capability and test-time adaptation (TTA) methods aiming to improve domain performance without annotations. However,…

Sound · Computer Science 2024-12-24 Gongyu Chen , Haomin Zhang , Chaofan Ding , Zihao Chen , Xinhan Di