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In this work, we focus on multilingual systems based on recurrent neural networks (RNNs), trained using the Connectionist Temporal Classification (CTC) loss function. Using a multilingual set of acoustic units poses difficulties. To address…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-28 Markus Müller , Sebastian Stüker , Alex Waibel

This paper presents our system for the MISP-Meeting Challenge Track 2. The primary difficulty lies in the dataset, which contains strong background noise, reverberation, overlapping speech, and diverse meeting topics. To address these…

Sound · Computer Science 2025-06-24 Longjie Luo , Shenghui Lu , Lin Li , Qingyang Hong

We propose a first step toward multilingual end-to-end automatic speech recognition (ASR) by integrating knowledge about speech articulators. The key idea is to leverage a rich set of fundamental units that can be defined "universally"…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Hao Yen , Sabato Marco Siniscalchi , Chin-Hui Lee

Speech recognition models often obtain degraded performance when tested on speech with unseen accents. Domain-adversarial training (DAT) and multi-task learning (MTL) are two common approaches for building accent-robust ASR models. ASR…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-11 Jialu Li , Vimal Manohar , Pooja Chitkara , Andros Tjandra , Michael Picheny , Frank Zhang , Xiaohui Zhang , Yatharth Saraf

Automatic speech recognition (ASR) for low-resource languages remains a challenge due to the scarcity of labeled training data. Parameter-efficient fine-tuning and text-only adaptation are two popular methods that have been used to address…

Computation and Language · Computer Science 2024-10-18 Abhishek Gupta , Amruta Parulekar , Sameep Chattopadhyay , Preethi Jyothi

Automatic Speech Recognition (ASR) performance for low-resource languages is still far behind that of higher-resource languages such as English, due to a lack of sufficient labeled data. State-of-the-art methods deploy self-supervised…

Computation and Language · Computer Science 2025-02-10 Reihaneh Amooie , Wietse de Vries , Yun Hao , Jelske Dijkstra , Matt Coler , Martijn Wieling

In this work we aim to discover high quality speech features and linguistic units directly from unlabeled speech data in a zero resource scenario. The results are evaluated using the metrics and corpora proposed in the Zero Resource Speech…

Computation and Language · Computer Science 2016-02-02 Cheng-Tao Chung , Cheng-Yu Tsai , Hsiang-Hung Lu , Chia-Hsiang Liu , Hung-yi Lee , Lin-shan Lee

Pre-training language models (LMs) on large-scale unlabeled text data makes the model much easier to achieve exceptional downstream performance than their counterparts directly trained on the downstream tasks. In this work, we study what…

Computation and Language · Computer Science 2022-02-21 Cheng-Han Chiang , Hung-yi Lee

Subword modeling for zero-resource languages aims to learn low-level representations of speech audio without using transcriptions or other resources from the target language (such as text corpora or pronunciation dictionaries). A good…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-20 Enno Hermann , Herman Kamper , Sharon Goldwater

Techniques for unsupervised discovery of acoustic patterns are getting increasingly attractive, because huge quantities of speech data are becoming available but manual annotations remain hard to acquire. In this paper, we propose an…

Computation and Language · Computer Science 2015-09-09 Cheng-Tao Chung , Chun-an Chan , Lin-shan Lee

Local dialects influence people to pronounce words of the same language differently from each other. The great variability and complex characteristics of accents creates a major challenge for training a robust and accent-agnostic automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-05 Genta Indra Winata , Samuel Cahyawijaya , Zihan Liu , Zhaojiang Lin , Andrea Madotto , Peng Xu , Pascale Fung

Automatic speech transcription and speaker recognition are usually treated as separate tasks even though they are interdependent. In this study, we investigate training a single network to perform both tasks jointly. We train the network in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-21 Siddharth Sigtia , Erik Marchi , Sachin Kajarekar , Devang Naik , John Bridle

Recent research shows end-to-end ASR systems can recognize overlapped speech from multiple speakers. However, all published works have assumed no latency constraints during inference, which does not hold for most voice assistant…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 Ilya Sklyar , Anna Piunova , Yulan Liu

In the realm of spoken language understanding (SLU), numerous natural language understanding (NLU) methodologies have been adapted by supplying large language models (LLMs) with transcribed speech instead of conventional written text. In…

Self-supervised model pre-training has recently garnered significant interest, but relatively few efforts have explored using additional resources in fine-tuning these models. We demonstrate how universal phoneset acoustic models can…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-12 Matthew Wiesner , Desh Raj , Sanjeev Khudanpur

Visual speech recognition is a technique to identify spoken content in silent speech videos, which has raised significant attention in recent years. Advancements in data-driven deep learning methods have significantly improved both the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Lei Yang , Junshan Jin , Mingyuan Zhang , Yi He , Bofan Chen , Shilin Wang

Multi-task learning (MTL) and attention mechanism have been proven to effectively extract robust acoustic features for various speech-related tasks in noisy environments. In this study, we propose an attention-based MTL (ATM) approach that…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-23 Chiang-Jen Peng , Yun-Ju Chan , Cheng Yu , Syu-Siang Wang , Yu Tsao , Tai-Shih Chi

Spoken language recognition (SLR) is the task of automatically identifying the language present in a speech signal. Existing SLR models are either too computationally expensive or too large to run effectively on devices with limited…

Computation and Language · Computer Science 2023-06-06 Oriol Nieto , Zeyu Jin , Franck Dernoncourt , Justin Salamon

Existing research suggests that automatic speech recognition (ASR) models can benefit from additional contexts (e.g., contact lists, user specified vocabulary). Rare words and named entities can be better recognized with contexts. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-16 Ruizhe Huang , Mahsa Yarmohammadi , Sanjeev Khudanpur , Daniel Povey

Multilingual end-to-end(E2E) models have shown a great potential in the expansion of the language coverage in the realm of automatic speech recognition(ASR). In this paper, we aim to enhance the multilingual ASR performance in two ways,…

Computation and Language · Computer Science 2021-10-18 Rimita Lahiri , Kenichi Kumatani , Eric Sun , Yao Qian