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Related papers: ReFESS-QI: Reference-Free Evaluation For Speech Se…

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Speech enhancement (SE) systems are typically evaluated using a variety of instrumental metrics. The use of automatic speech recognition (ASR) systems to evaluate SE performance is common in literature, usually in terms of word error rate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-13 Danilo de Oliveira , Tal Peer , Timo Gerkmann

Designing a speech quality assessment (SQA) system for estimating mean-opinion-score (MOS) of multi-rate speech with varying sampling frequency (16-48 kHz) is a challenging task. The challenge arises due to the limited availability of a…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-17 Fengyuan Cao , Xinyu Liang , Fredrik Cumlin , Victor Ungureanu , Chandan K. A. Reddy , Christian Schuldt , Saikat Chatterjee

Single-word Automatic Speech Recognition (ASR) is a challenging task due to the lack of linguistic context and sensitivity to noise, pronunciation variation, and channel artifacts, especially in low-resource, communication-critical domains…

Sound · Computer Science 2026-01-30 Manali Sharma , Riya Naik , Buvaneshwari G

There has been significant research effort developing neural-network-based predictors of SQ in recent years. While a primary objective has been to develop non-intrusive, i.e.~reference-free, metrics to assess the performance of SE systems,…

Sound · Computer Science 2025-08-05 George Close , Kris Hong , Thomas Hain , Stefan Goetze

This paper describes methods for evaluating automatic speech recognition (ASR) systems in comparison with human perception results, using measures derived from linguistic distinctive features. Error patterns in terms of manner, place and…

Computation and Language · Computer Science 2016-12-14 Xiang Kong , Jeung-Yoon Choi , Stefanie Shattuck-Hufnagel

Automatic Speech Recognition (ASR) systems are evaluated using Word Error Rate (WER), which is calculated by comparing the number of errors between the ground truth and the transcription of the ASR system. This calculation, however,…

Computation and Language · Computer Science 2021-02-16 Akshay Krishna Sheshadri , Anvesh Rao Vijjini , Sukhdeep Kharbanda

Word Error Rate (WER) is the primary metric used to assess automatic speech recognition (ASR) model quality. It has been shown that ASR models tend to have much higher WER on speakers with speech impairments than typical English speakers.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-23 Jimmy Tobin , Qisheng Li , Subhashini Venugopalan , Katie Seaver , Richard Cave , Katrin Tomanek

Automatic speech recognition (ASR) outcomes serve as input for downstream tasks, substantially impacting the satisfaction level of end-users. Hence, the diagnosis and enhancement of the vulnerabilities present in the ASR model bear…

Computation and Language · Computer Science 2024-01-29 Seonmin Koo , Chanjun Park , Jinsung Kim , Jaehyung Seo , Sugyeong Eo , Hyeonseok Moon , Heuiseok Lim

We propose a modular pipeline for the single-channel separation, recognition, and diarization of meeting-style recordings and evaluate it on the Libri-CSS dataset. Using a Continuous Speech Separation (CSS) system with a TF-GridNet…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-07 Thilo von Neumann , Christoph Boeddeker , Tobias Cord-Landwehr , Marc Delcroix , Reinhold Haeb-Umbach

In this work, we develop new self-learning techniques with an attention-based sequence-to-sequence (seq2seq) model for automatic speech recognition (ASR). For untranscribed speech data, the hypothesis from an ASR system must be used as a…

Computation and Language · Computer Science 2021-12-23 Kenichi Kumatani , Dimitrios Dimitriadis , Yashesh Gaur , Robert Gmyr , Sefik Emre Eskimez , Jinyu Li , Michael Zeng

Objective evaluation of synthesized speech is critical for advancing speech generation systems, yet existing metrics for intelligibility and prosody remain limited in scope and weakly correlated with human perception. Word Error Rate (WER)…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Ismail Rasim Ulgen , Zongyang Du , Junchen Lu , Philipp Koehn , Berrak Sisman

Self-supervised speech representations (SSSRs) have been successfully applied to a number of speech-processing tasks, e.g. as feature extractor for speech quality (SQ) prediction, which is, in turn, relevant for assessment and training…

Sound · Computer Science 2023-12-08 George Close , Thomas Hain , Stefan Goetze

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner's speech. Recently, self-supervised learning (SSL) has shown stellar…

Sound · Computer Science 2025-03-04 Tien-Hong Lo , Fu-An Chao , Tzu-I Wu , Yao-Ting Sung , Berlin Chen

The information loss or distortion caused by single-channel speech enhancement (SE) harms the performance of automatic speech recognition (ASR). Observation addition (OA) is an effective post-processing method to improve ASR performance by…

Motivated by recent findings on the probabilistic modeling of acceptability judgments, we propose syntactic log-odds ratio (SLOR), a normalized language model score, as a metric for referenceless fluency evaluation of natural language…

Computation and Language · Computer Science 2018-09-25 Katharina Kann , Sascha Rothe , Katja Filippova

Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of…

Sound · Computer Science 2014-11-10 M. Ravichandra Kumar , B. Ravi Teja

End-to-End speech-to-speech translation (S2ST) is generally evaluated with text-based metrics. This means that generated speech has to be automatically transcribed, making the evaluation dependent on the availability and quality of…

Computation and Language · Computer Science 2022-12-19 Mingda Chen , Paul-Ambroise Duquenne , Pierre Andrews , Justine Kao , Alexandre Mourachko , Holger Schwenk , Marta R. Costa-jussà

Streaming end-to-end automatic speech recognition (ASR) models are widely used on smart speakers and on-device applications. Since these models are expected to transcribe speech with minimal latency, they are constrained to be causal with…

Automatic lyrics transcription (ALT) remains a challenging task in the field of music information retrieval, despite great advances in automatic speech recognition (ASR) brought about by transformer-based architectures in recent years. One…

Sound · Computer Science 2025-06-19 Jaza Syed , Ivan Meresman Higgs , Ondřej Cífka , Mark Sandler

Error correction techniques have been used to refine the output sentences from automatic speech recognition (ASR) models and achieve a lower word error rate (WER). Previous works usually adopt end-to-end models and has strong dependency on…

Computation and Language · Computer Science 2024-01-12 Jiaxin Guo , Minghan Wang , Xiaosong Qiao , Daimeng Wei , Hengchao Shang , Zongyao Li , Zhengzhe Yu , Yinglu Li , Chang Su , Min Zhang , Shimin Tao , Hao Yang