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This paper proposes a simple yet effective way of regularising the encoder-decoder-based automatic speech recognition (ASR) models that enhance the robustness of the model and improve the generalisation to out-of-domain scenarios. The…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-24 Alexander Polok , Santosh Kesiraju , Karel Beneš , Lukáš Burget , Jan Černocký

Effective speech representations for spoken language models must balance semantic relevance with acoustic fidelity for high-quality reconstruction. However, existing approaches struggle to achieve both simultaneously. To address this, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Amir Hussein , Sameer Khurana , Gordon Wichern , Francois G. Germain , Jonathan Le Roux

Speech super-resolution (SR) is a task to increase speech sampling rate by generating high-frequency components. Existing speech SR methods are trained in constrained experimental settings, such as a fixed upsampling ratio. These strong…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-10 Haohe Liu , Woosung Choi , Xubo Liu , Qiuqiang Kong , Qiao Tian , DeLiang Wang

In this paper, we propose a fully supervised speaker diarization approach, named unbounded interleaved-state recurrent neural networks (UIS-RNN). Given extracted speaker-discriminative embeddings (a.k.a. d-vectors) from input utterances,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-20 Aonan Zhang , Quan Wang , Zhenyao Zhu , John Paisley , Chong Wang

Despite the remarkable progress in end-to-end Automatic Speech Recognition (ASR) engines, accurately transcribing dysarthric speech remains a major challenge. In this work, we proposed a two-stage framework for the Speech Accessibility…

Computation and Language · Computer Science 2025-05-27 Moreno La Quatra , Alkis Koudounas , Valerio Mario Salerno , Sabato Marco Siniscalchi

Continuous speech can be converted into a discrete sequence by deriving discrete units from the hidden features of self-supervised learned (SSL) speech models. Although SSL models are becoming larger and trained on more data, they are often…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-06 Jakob Poncelet , Yujun Wang , Hugo Van hamme

In this work, we investigate the use of embeddings for speaker-adaptive training of DNNs (DNN-SAT) focusing on a small amount of adaptation data per speaker. DNN-SAT can be viewed as learning a mapping from each embedding to transformation…

Computation and Language · Computer Science 2019-10-01 Joanna Rownicka , Peter Bell , Steve Renals

Speaker Diarization (SD) systems are typically audio-based and operate independently of the ASR system in traditional speech transcription pipelines and can have speaker errors due to SD and/or ASR reconciliation, especially around speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-26 Rohit Paturi , Xiang Li , Sundararajan Srinivasan

In dysarthric speech recognition, data scarcity and the vast diversity between dysarthric speakers pose significant challenges. While finetuning has been a popular solution, it can lead to overfitting and low parameter efficiency. Adapter…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-13 Jinzi Qi , Hugo Van hamme

Automatic Speech Recognition (ASR) systems have been examined and shown to exhibit biases toward particular groups of individuals, influenced by factors such as demographic traits, accents, and speech styles. Noise can disproportionately…

This paper presents a speech intelligibility model based on automatic speech recognition (ASR), combining phoneme probabilities from deep neural networks (DNN) and a performance measure that estimates the word error rate from these…

Personalizing dysarthric ASR is hindered by demanding enrollment collection and per-user training. We propose a hybrid meta-training method for a single model, enabling zero-shot and few-shot on-the-fly personalization via in-context…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-24 Dhruuv Agarwal , Harry Zhang , Yang Yu , Quan Wang

In this work, we investigate the joint use of articulatory and acoustic features for automatic speech recognition (ASR) of pathological speech. Despite long-lasting efforts to build speaker- and text-independent ASR systems for people with…

Computation and Language · Computer Science 2018-07-31 Emre Yılmaz , Vikramjit Mitra , Chris Bartels , Horacio Franco

With the advent of deep learning, research on noise-robust automatic speech recognition (ASR) has progressed rapidly. However, ASR performance in noisy conditions of single-channel systems remains unsatisfactory. Indeed, most single-channel…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-10 Keisuke Kinoshita , Tsubasa Ochiai , Marc Delcroix , Tomohiro Nakatani

Enhancing noisy speech is an important task to restore its quality and to improve its intelligibility. In traditional non-machine-learning (ML) based approaches the parameters required for noise reduction are estimated blindly from the…

Sound · Computer Science 2018-01-16 Robert Rehr , Timo Gerkmann

Speech emotion recognition (SER) often experiences reduced performance due to background noise. In addition, making a prediction on signals with only background noise could undermine user trust in the system. In this study, we propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Yu-Wen Chen , Julia Hirschberg , Yu Tsao

Deep learning is an emerging technology that is considered one of the most promising directions for reaching higher levels of artificial intelligence. Among the other achievements, building computers that understand speech represents a…

Computation and Language · Computer Science 2017-12-19 Mirco Ravanelli

Despite the remarkable progress recently made in distant speech recognition, state-of-the-art technology still suffers from a lack of robustness, especially when adverse acoustic conditions characterized by non-stationary noises and…

Computation and Language · Computer Science 2017-03-24 Mirco Ravanelli , Philemon Brakel , Maurizio Omologo , Yoshua Bengio

This paper describes speech enhancement for realtime automatic speech recognition (ASR) in real environments. A standard approach to this task is to use neural beamforming that can work efficiently in an online manner. It estimates the…

We present a Conformer-based end-to-end neural diarization (EEND) model that uses both acoustic input and features derived from an automatic speech recognition (ASR) model. Two categories of features are explored: features derived directly…

Computation and Language · Computer Science 2022-07-13 Aparna Khare , Eunjung Han , Yuguang Yang , Andreas Stolcke
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