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We propose a bottom-up framework for automatic speech recognition (ASR) in syllable-based languages by unifying language-universal articulatory attribute modeling with syllable-level prediction. The system first recognizes sequences or…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-11 Hao Yen , Pin-Jui Ku , Sabato Marco Siniscalchi , Chin-Hui Lee

The Voice Conversion Challenge 2020 is the third edition under its flagship that promotes intra-lingual semiparallel and cross-lingual voice conversion (VC). While the primary evaluation of the challenge submissions was done through…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-09 Rohan Kumar Das , Tomi Kinnunen , Wen-Chin Huang , Zhenhua Ling , Junichi Yamagishi , Yi Zhao , Xiaohai Tian , Tomoki Toda

Automatic speech quality assessment is essential for audio researchers, developers, speech and language pathologists, and system quality engineers. The current state-of-the-art systems are based on framewise speech features (hand-engineered…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-15 Karl El Hajal , Zihan Wu , Neil Scheidwasser-Clow , Gasser Elbanna , Milos Cernak

Peer review serves as a backbone of academic research, but in most AI conferences, the review quality is degrading as the number of submissions explodes. To reliably detect low-quality reviews, we define misinformed review points as either…

While Large Audio-Language Models (LALMs) have advanced audio captioning, robust evaluation remains difficult. Reference-based metrics are expensive and often fail to assess acoustic fidelity, while Contrastive Language-Audio Pretraining…

Sound · Computer Science 2026-03-23 Insung Lee , Taeyoung Jeong , Haejun Yoo , Du-Seong Chang , Myoung-Wan Koo

Existing objective evaluation metrics for voice conversion (VC) are not always correlated with human perception. Therefore, training VC models with such criteria may not effectively improve naturalness and similarity of converted speech. In…

Sound · Computer Science 2022-03-01 Chen-Chou Lo , Szu-Wei Fu , Wen-Chin Huang , Xin Wang , Junichi Yamagishi , Yu Tsao , Hsin-Min Wang

Human subjective evaluation is the gold standard to evaluate speech quality optimized for human perception. Perceptual objective metrics serve as a proxy for subjective scores. The conventional and widely used metrics require a reference…

Sound · Computer Science 2021-02-12 Chandan K A Reddy , Vishak Gopal , Ross Cutler

Current audio-visual (AV) benchmarks focus on final answer accuracy, overlooking the underlying reasoning process. This makes it difficult to distinguish genuine comprehension from correct answers derived through flawed reasoning or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Siminfar Samakoush Galougah , Rishie Raj , Sanjoy Chowdhury , Sayan Nag , Ramani Duraiswami

Current speech evaluation suffers from two critical limitations: the need and difficulty of designing specialized systems targeting individual audio characteristics, and poor correlation between automatic evaluation methods and human…

While supervised quality predictors for synthesized speech have demonstrated strong correlations with human ratings, their requirement for in-domain labeled training data hinders their generalization ability to new domains. Unsupervised…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-08 Erica Cooper , Takuma Okamoto , Yamato Ohtani , Tomoki Toda , Hisashi Kawai

Automatic mean opinion score (MOS) prediction provides a more perceptual alternative to objective metrics, offering deeper insights into the evaluated models. With the rapid progress of multimodal large language models (MLLMs), their…

Sound · Computer Science 2025-09-23 Yuhang Jia , Xu Zhang , Yang Chen , Hui Wang , Enzhi Wang , Yong Qin

Recent advancements in the field of natural language generation have facilitated the use of large language models to assess the quality of generated text. Although these models have shown promising results in tasks such as machine…

Artificial Intelligence · Computer Science 2024-01-23 Terry Yue Zhuo

Handling implicit language is essential for natural language processing systems to achieve precise text understanding and facilitate natural interactions with users. Despite its importance, the absence of a metric for accurately measuring…

Computation and Language · Computer Science 2025-02-25 Yuxin Wang , Xiaomeng Zhu , Weimin Lyu , Saeed Hassanpour , Soroush Vosoughi

Ensuring native-like quality of large language model (LLM) responses across many languages is challenging. To address this, we introduce MENLO, a framework that operationalizes the evaluation of native-like response quality based on…

Computation and Language · Computer Science 2026-03-03 Chenxi Whitehouse , Sebastian Ruder , Tony Lin , Oksana Kurylo , Haruka Takagi , Janice Lam , Nicolò Busetto , Denise Diaz , Francisco Guzmán

This paper primarily demonstrates a method to quantitatively assess the alignment between multi-step, structured reasoning in large language models and human preferences. We introduce the Alignment Score, a semantic-level metric that…

Artificial Intelligence · Computer Science 2026-04-22 Boxuan Wang , Zhuoyun Li , Xinmiao Huang , Xiaowei Huang , Yi Dong

The subjective quality of transmitted speech is traditionally assessed in a controlled laboratory environment according to ITU-T Rec. P.800. In turn, with crowdsourcing, crowdworkers participate in a subjective online experiment using their…

Speech Quality Assessment (SQA) and Continuous Speech Emotion Recognition (CSER) are two key tasks in speech technology, both relying on listener ratings. However, these ratings are inherently biased due to individual listener factors.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-22 Cheng-Hung Hu , Yusuke Yasuda , Akifumi Yoshimoto , Tomoki Toda

Audio deepfakes have reached a level of realism that makes it increasingly difficult to distinguish between human and artificial voices, which poses risks such as identity theft or spread of disinformation. Despite these concerns, research…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-11 Eugenia San Segundo , Aurora López-Jareño , Xin Wang , Junichi Yamagishi

While automatic subjective speech quality assessment has witnessed much progress, an open question is whether an automatic quality assessment at frame resolution is possible. This would be highly desirable, as it adds explainability to the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-10 Michael Kuhlmann , Fritz Seebauer , Petra Wagner , Reinhold Haeb-Umbach

When faced with a large number of product reviews, it is not clear that a human can remember all of them and weight opinions representatively to write a good reference summary. We propose an automatic metric to test the prevalence of the…

Computation and Language · Computer Science 2023-07-27 Christopher Malon